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Expert Answers about Trailer Leaf Spring Suspension


  • Replacement Trailer Leaf Springs for 5200-lb Axle
  • When a trailer leaf spring is well worn it can become elongated. Springs can flatten out and become as much as a 3/4-inch longer, measured eye to eye, than when they were brand new. So the correct replacement spring for your suspension might measure shorter than the worn spring you removed. That said, we do have several 26-inch leaf spring for various axle ratings from 2000- to 6000-lbs. The linked page displays all leaf springs and the filters on the page will let you select the axle...
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  • Hanger Kit and Slipper Spring Spacing for Tandem 7,000 lb Axles to Add 16 Inch Wheels
  • The spacing is going to depend on the size of your tires, so let's start with that. For a 16 inch wheel/tire combo with an 8 on 6-1/2" bolt pattern the best option is a ST235/80R16 size tire with a load range of G to handle the capacity of your tandem 7,000 lb axles. A ST235/80R16 tire will measure nearly 31 inches in diameter so if your axles centers are spaced 36 inches apart you will have plenty of room. For the slipper springs you were right on with the 5-Leaf Slipper Spring w/...
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  • Adding Lift to 3,500 lb Trailer Axle
  • It's not a stupid question, it's a perfectly logical one but you should not flip the Dexter Trailer Axle Beam with 4" Drop E-Z Lube Spindles # 7685269 to get rise as this was not the intended design as it is an underslung axle with spring seats that are intended to be on the underside of the axle. There is a way to add lift to a 3,500 lb axle such as the straight Dexter Trailer Axle Beam # 7359765. What you would use is called an over/under kit, which is commonly referred to as flipping...
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  • Recommended Equalizer Shocks For Triple Axle 4200 Cyclone Toy Hauler
  • For your triple axle on your 4200 Cyclone toy hauler, I recommend the E-Z Flex Triple Axle Suspension Kit with 7-3/4" Equalizers # K71-657-00. This system includes the wet bolts, metal bushings, and shackle straps. This system is also available with 5-5/8 inch equalizers # K71-656-00. Another great option to consider is the Equa-Flex Cushioned Equalizers w/ Bronze Bushings - Double Eye Springs - Triple Axle - 5K to 8K # LC279689. These are very similar with the metal bushings, but...
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  • Recommended Shock Absorption for Keystone Montana 5th Wheel with Tandem Axles
  • Trailer suspension uses different components for the air systems than the frame mounted suspension you are looking at. For your tandem axle Keystone Montana, I recommend the Lippert Components Trailair by Center Point Air-Ride Suspension Upgrade - Tandem Axle # LC1565391 which will give you adjustable air pressure in the form of an equalizer for your leaf springs. If you want a trailer with air suspension, this is the way to go with adjustable air springs that can use manual valves or...
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  • Should 3,500 lb or 5,200 lb Timbren Axle-Less System be Used for over 3,600 lbs of Loaded Trailer
  • Since your axle will ultimately be under the weight of your trailer and it's contents you definitely need to make sure that it is rated for more than what you will be carrying. You need to go with the 5,200 lb weight capacity. For this we have the Straight Spindle # ASR5200S01, 4" Lift Spindle # TASR5200S03, and 4" Drop Spindle # ASR5200S04. This is compatible with the idler hub # 8-213-5UC1-EZ or the hub and drum assembly # 8-201-5UC3-EZ. I recommend going with the hub and drum assembly...
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  • Best Trailer Suspension Enhancement for Tandem 7,000 lb Axles
  • The SumoSprings Trailer Helper Springs - Single Axle - 3K to 8K - Underslung # TSS-105-47 will be a maintenance free option to help smooth out the ride of your trailer. These springs will act as shock absorbers and will progressively help with the load offering 1,000 lbs support at 50% compression. The Sumo Springs are a great option to help control the suspension. This will require 2 kits. The Timbren Trailer Suspension Enhancement System Medium-Duty Trailers 7,000 lbs # TTRA1032...
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  • Dexter Heavy Duty Greasable Shackle Kit Needed
  • It sounds like the Replacement Shackle Link with Bolts # 018-026-05 that you referenced is what you are needing. It comes with the shackle and wet bolts that have a grease zerk fitting installed on them. This kit is compatible with the following heavy duty Dexter Axle suspension kits: Kit - # K71-359-00 Kit - # K71-360-00 Kit - K71-448-00 Kit - # K71-449-00 Kit - K71-453-00
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  • Can 6-1/4 Inch Long Equalizers be Replaced with 5-3/4 Inch Equalizers
  • The suspension kit, part # K71-359-00, will fit your toy hauler. It's only a 1/2 inch shorter so you're only losing a 1/4 inch on each side. If you really want to keep longer equalizers you can use the # K71-359-00 kit but replace the equalizers with part # TREQ356 that are 6-1/8 inches long.
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  • Recommended Lippert Trailair by Center Point Air Ride Trailer Suspension for Jayco Pinnacle 36fbts
  • The Lippert Components Trailair by Center Point Air-Ride Suspension Upgrade - Tandem Axle # LC1565391 will give you the smoothest ride of any of our comparable suspension systems. It will give you an extra 2 inches of trailer rise, so your trailer would most likely not have any tire rub if you were to upgrade. Your current system is more comparable to the Dexter E-Z Flex # K71-652-00 or Lippert Equa-Flex which both use rubber springs to cushion the ride. These are all really good...
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  • Replacement Trailer Axle with 95 Inch Hub Face and 80 Inch Spring Center Measurement
  • I have exactly what you need for a replacement trailer axle with 95" hub face to hub face and 80" spring center to spring center measurement. For this we have the following options based on weight capacity. 3,500 Lbs: part # 7359765 5,300 Lbs: part # 6340624 6,000 Lbs: part # 7461121 7,000 Lbs: part # 8327834 The above options all have the built-in E-Z Lube technology which allows you to easily grease your trailer hubs without having to remove any parts beside the plug for the...
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  • Could Road Armor Shock Absorbing Equalizer Kit # LC696740 Fit 2019 Keystone Cougar 30RLS
  • The distance between the horizontal mounting holes on the Lippert Road Armor Equalizers part # LC696740 is 6 inches. You'd want to measure the distance on the equalizers you currently have as we don't have that figure and you'd be able to compare and know. If the dimension you get is right at 6 inches you'd be good. If not, email me back what you find and I'll give you the best option you'd have. To upgrade your trailer suspension to the Never Fail setup that is self lubricating so...
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  • Recommended Timbren Silent Ride Tandem Axle Trailer Suspension Setup
  • 7,000 lb axles are not typically 4 inches in diameter and we don't have a system compatible with that size. If you want to upgrade from your 3,500 lb axles to larger capacity axles, you can use the Timbren Silent Ride Suspension for Tandem Axle Trailers w/ 3" Round Axles - 14,000 lbs # TSR14KT01 but you will want to make sure your other trailer components can handle that additional capacity. You will be limited by the weakest component of your entire system. If you just want to keep...
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  • Recommended Replacement Axles for Old Dexter Axle #11 5,200 lb Torsion Axles
  • I reached out to my contact at Dexter Axle who said that based off of the numbers you sent in it sounds like you have a #11 Torsion axle rated for 5,200 lbs that is on a Haulmark Trailer manufactured back in 2001 (at least the axle was). Your axle should use 6 lug hubs with EZ-Lube spindles and that it has a 95" hub-face measurement with a 75-3/4" outside bracket measurement (which would be equivalent to spring-center). The closest thing that we have to this is the Dexter Trailer Axle...
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  • How to Determine Which Dexter E-Z Flex Equalizer Kit is Correct for a Trailer
  • To determine which Dexter E-Z Flex suspension system you need for your trailer you will simply need to choose whether your trailer has tandem or triple axles, as well as the length of your current equalizers. For a tandem axle trailer we have part # K71-652-00 which is 5-5/8" long, and part # K71-653-00 which is 7-3/4" long. For a triple axle trailer we have part # K71-656-00 which is 5-5/8" long, and part # K71-657-00 which is 7-3/4" long. I have attached some installation and...
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  • Difference Between Dexter Axle Heavy Duty Suspension Kits # K71-449-00 and # K71-359-00
  • The difference is the length of the equalizers that come with the kit. The part # K71-449-00 comes with equalizers that are 7-3/4 inches from eye to eye whereas the part # K71-359-00 has equalizers that are 2 inches shorter at 5-3/4 inches.
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  • Will the Timbren Silent Ride Suspension System Work with I-Beam Trailer Frames
  • The Timbren Silent Ride Suspension System will not bolt directly onto an i-beam trailer frame. However, as you mentioned, you can absolutely weld a solid plate to the inside of the i-beam frame where the frame brackets sit which will allow the system to work for you. I called Timbren and was able to confirm this. I highly recommend you have a quality and experienced welder perform this task. If you have 2-3/8" diameter trailer axles then you will want to use part # TSR7000T04 but if you...
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  • How to Order Dexter 6k Axle with Brakes 7461121 with Self Adjusting Brakes
  • The brakes that come with the Dexter Axle part # 7461121-EB are manual adjust brakes part numbers # 23-106 and # 23-105. To order a similar setup with self-adjusting brakes is possible but you will need to piece the kit together as we don't have it all as one part number. You'd need the following: # 7461121 # 8-201-9UC3-EZ quantity 2 # 23-458-459 # 7-5
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  • Recommended Tandem Axle Hanger Kit For Double Eye Springs
  • If you use the 5-Leaf Double-Eye Spring for 6,000-lb Trailer Axles - 25-1/4" Long # SP-111275 which have the same capacity, I recommend the Tandem-Axle Trailer Hanger Kit for Double-Eye Springs - 3-1/4" Front/Rear/Center # APT5 for a tandem axle application. When you follow the attached photo, this will give you the 33-1/2 inch axle spread. For your 6-Leaf Double-Eye Spring for 6,000-lb Trailer Axles - 26" Long # SP-053275, you can use the same system but replace the equalizers with...
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  • Recommended Off-Road Wheels and Tires for Timbren Axle-Less Trailer Suspension
  • Thanks for the purchase of the Timbren Heavy-Duty Axle-Less Trailer Suspension - 4" Lift Spindle - Off-Road Tires - 3,500 lbs # ASR35HDS02 with the Dexter Trailer Hub and Drum Assembly # 8-201-9UC3-EZ which will be a great addition for your trailer; we definitely have wheels and tires that will be a perfect match. You will need a wheel with a matching 6 on 5-1/2" bolt pattern and I also recommend going with a bias tire because they have stiffer sidewalls than radial tires, meaning it...
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  • Correct Leaf Spring for Trailer with Lippert 3,500 lb Axle
  • Thank you for the photo! I was able to use the serial number on your axle to determine which is the correct replacement leaf spring for your trailer. For this, you are going to want to use the 3-Leaf Double-Eye Spring part # SP-220275 which is a double eye leaf spring that is 1-3/4" wide, has a 4,000 lb total weight capacity, and a 25-1/4" eye to eye measurement. The measurement you provided of 26" long is correct but the leaf spring needs to be measured while unloaded as it will lengthen...
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  • 26 Inch Leaf Springs for Axles Rated at 5,200 lbs
  • We do have a solution for you although we don't carry a leaf spring for a 5,200 lb axle that has the same dimensions as Leaf Spring # SP-051275. What does have the same dimensions is the 26" Double-Eye Spring for 6,000-lb Trailer Axles # SP-053275 which will work for you despite being rated for more than your axle's capacity; they are rated close enough to your 5,200 lb axles that you won't have to worry about the springs causing a stiff ride.
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  • Can Dexter E-Z Flex Suspension Kit Replace Dexter 13-10 Equalizer
  • Your 13-10 equalizers, which should be equivalent to Equalizer # TREQ310 measures 6-1/16 inches from bolt hole to bolt hole (see accompanying photo) and due to that you will need to use the E-Z Flex Heavy Duty Rubber Suspension System # K71-652-00. Your equalizers are not long enough to use the other kit you referenced; the replacements you select do need to measure up from bolt hole to bolt hole. I have added a link to a video review and video install for you to check out as well.
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  • Does the Trailer Height Change when Using EZ Flex or Equa-Flex Equalizers
  • The E-Z Flex Heavy Duty Rubber Suspension System # K71-652-00 is designed to fit in place of a specific equalizer, # TREQ104, which is 2 inches tall. When used to replace this equalizer or another with similar dimensions there is no height gained or lost. Adding height or reducing it cannot be achieved by just changing the equalizers. It would require replacing all of the suspension hangers as well to raise or lower the trailer equally and keep the suspension level. The comparable...
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  • Replacement Equalizers for EZ-Flex Suspension
  • Thank you for the photo; due to the damage of the equalizer on your E-Z Flex Suspension System # K71-652-00 what you need to do is replace that equalizer. If just one is damaged you can replace it with a single Replacement 5-5/8" Equalizer for E-Z Flex # 013-143-03 although if the other side is showing wear I recommend replacing both, which is part # K71-654-00. I also recommend making sure you grease the equalizers every 3 months or 3,000 miles with red grease such as # L11390...
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  • Trailer Axle Over-Under Kit to Raise Height of Trailer
  • You can increase trailer height by welding on taller spring hangers but there is also another way to lift a trailer without having to cut off the old hangers and weld on all new ones, an axle over-under kit. Kit # K71-384-00 for 2-3/8-inch diameter axles and kit # K71-385-00 for 3-inch axles are bolt on kits that place your leaf springs above the axles, as shown in the linked photo. The amount of lift you get will be the sum of the axle diameter plus the height of the spring stack. So,...
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  • Will the Timbren Silent Ride Suspension TSR14K35T01 Work with a 14,000 Lb Trailer
  • The Timbren Silent Ride Suspension for Tandem Axle Trailers part # TSR14K35T01 will be perfect for your 14,000 lb 5th wheel trailer. The capacity only needs to be rated for the weight over the axles, not the entire weight of the trailer. Since you have a 5th wheel, 15-20% of the trailer's weight will be placed on the tow vehicle so this then puts you right in the sweet spot for the system which is about 80% capacity. That said, the Timbren Silent Ride Suspension cannot be ordered with...
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  • How To Choose Correct 3,500 Lb Axle for Slipper Spring Setup
  • In order to determine which axle is correct for your trailer we need to find out what your hub face (HF) and spring center (SC) measurements are. If you take a look at the photo I have attached for you that should then help with obtaining the above two measurements. The most important thing we need to look for is the hub face as the spring center can then be moved (within a range) if we need to. I have attached a list of the 3,500 lb axles we offer in the varying hub face and spring center...
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  • Do the Shackle Straps Go Inside or Outside the Leaf Spring Hanger
  • The shackle straps need to be placed on the outside of the rear leaf spring hangers which you can see in the attached photo. Furthermore, the distance between the two mounting plates (inside to inside) on your leaf spring hangers should be 1-7/8", not 2" which is most likely why there is too much of a gap between the shackle straps and leaf spring. Therefore, the leaf spring hangers will need to be replaced. For this, we generally kit the single axle trailer suspension hangers and shackle...
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  • Timbren Axle-Less Suspension System Compatibility with Aluminum I-Beam Trailer Frame
  • The Timbren Heavy-Duty Axle-Less Trailer Suspension - 4" Lift Spindle - Off-Road Tires - 3,500 lbs # ASR35HDS02 is compatible with I-beam frames and in tandem axle configuration. Due to the Aluminum frame, I recommend putting a thin rubber pad between the steel mount and the aluminum I-beam. The powder coat on the steel should keep the two dissimilar metals from galvanic corrosion, but a thin rubber pad would drastically increase this safety. Zinc plated hardware will work well with...
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  • Parts Needed to Complete Axle-Less Trailer Suspension with 7000-lb Capacity
  • I have a solution for you, but because the Timbren Silent Ride # TSR14KT01 requires through axles, you would not be able to use this for your trailer that does not allow for tube axles to be used. I recommend that you use 2 pairs of the Timbren Axle-less Trailer Suspension # TASR7KS02 (4" drop spindle) or # TASR7KS01 (regular spindle) to create a tandem axle trailer system-without the axles. The Timbren systems above have a 7000-lb capacity with each set, which when you use 2 sets, would...
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  • Replacement Leaf Springs to use With Lippert Center Point Air Ride Suspension System
  • In order to determine the correct replacement leaf springs to work with your Center Point Air-Ride Suspension System # LC1565391, you'll need to know your axle's weight capacity as well as the length from the center of spring eye to center of spring eye in your former leaf springs. There will likely be some slight elongation in your old springs, which you should take into account when choosing replacements. The springs you mentioned, for 7,000 lbs axles, have a length from center of...
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  • Could Timbren Axle Less Kit Be Installed on Truck Bed Trailer Frame
  • The Timbren Silent Ride # TSR7KS02 that you referenced was intended for attaching to a trailer frame, but could also attach to a truck frame too assuming it's a standard boxed frame. I attached a picture that shows how it typically bolts to a frame and shows relevant dimensions that you should check out and compare. You really don't want to install suspension enhancement like the # TSS-107-40 you referenced on suspension that is showing signs or being worn out like yours. These kits...
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  • Why is Center Hanger Longer for Tandem Axle Trailer Hanger Kit
  • The center hangers in the Tandem-Axle Trailer Hanger Kit # APT8 that you recently purchased are indeed longer. This is actually pretty common for tandem axle trailers. The reason for the extra length on the middle hanger is related to the shackle straps of the equalizer. You want this hanger to be a bit longer to compensate for how the shackle straps move the spring higher up. I have attached an image to better clarify this. It is possible for the shackle to flip like you described,...
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  • Will Road Armor Equalizer Replace Equa Flex Equalizer # LC279687
  • The Road Armor Shock Absorbing Equalizer Kit # LC696740 that you referenced is close enough dimensionally to the Equa-Flex equalizer # LC279687 that you have now so it will fit and work well. Bushing come with this already pre installed, for bolts you'd want the part # TRFA73Z916DLNZ but for shackles you'd need to let me know what length you have currently. I attached a link to a page that has all of the shackles we carry as well.
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  • Recommended Double-Eye Suspension System for 2,000 lb Single Axle Boat Trailer
  • For your single axle boat trailer, I recommend the Single-Axle Trailer Hanger Kit for Double-Eye Springs - 1-1/2" Front, 1-1/4" Rear # APS2 along with the 3-Leaf Double-Eye Spring for 2,000-lb Trailer Axles - 23-1/2" Long # SP-113275. I've attached a photo with spring measurements to assist as well as an article on suspension.
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  • Available Lippert 5th Wheel Trailer Shock Absorber Kits
  • We offer two heavy-duty trailer oil shock kits from Lippert, who makes most of the RV frames in use. Those kits are designed for either 3-inch axle tubes, part # LC281281, or for 2-3/8-inch axle tubes, part # LC281255. Both kits include mounting brackets. The shocks in both kits measure 13-1/2-inches long when extended.
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  • Can Lippert Shock Kit Be Used on Trailer with Less Than 4" of Clearance Between Tire and I-Beam
  • I reached out to my contact at Lippert and he said unfortunately if you don't have at least 4 inches of clearance between the I-beam flange and inside of the tire the Shock Kit # LC281281 cannot be used. There is not a solution that would allow this system to work properly. For an alternate solution to provide additional suspension support for a smoother ride on the trailer I recommend the SumoSprings Trailer Helper Springs # TSS-107-40. These springs will act as shock absorbers to...
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  • Replacement Slipper Springs to Replace 32 Inch Long Springs
  • The 30 inch slipper springs we carry don't have a measured radius but the 28 inches you're looking for will work just fine. Your 32 inch springs were likely a little shorter than that originally and have flattened over time. Although probably not the full 2 inch difference but enough that our 30 inch springs will work on your trailer. We carry three different weight capacities that are 30 inches: 4-Leaf for 3,700 pound axles # SP-040275 3-Leaf for 2,900 pound axles # SP-039275 2-Leaf...
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  • Correct Hanger Spacing for 5-Leaf Double-Eye Spring # SP-111275
  • The correct hangers that you need to use for the 5-Leaf Double-Eye Spring # SP-111275 and the Dexter Heavy-Duty Suspension Kit # K71-359-00 come in the Kit # H248. For your application these need to be spaced 29-1/2" apart on center. I have attached a diagram that demonstrates this for you. The leaf spring that you will be using is refereed to as "PR5" in the table.
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  • Replacement Axle with Hubs & Brakes for Wells Cargo Tandem-Axle Enclosed Trailer FT85162
  • The Wells Cargo website indicates that their enclosed tandem-axle trailer model FT85162 has a GVWR of 7000-lbs so it has two 3500-lb axles. The specs did not indicate axle length. We have several 3500-lb axle kits with hubs and brakes that are shown on the linked page. All have 5-on-4-1/2 hubs and electric drum brakes. Two lengths are offered, the 89-inch size like # 35545E-ST-89 and the 95-inch length such as # 7359765-EB. These measurements are from hub face to hub face. Please...
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  • Is There Any Advantage to Using 6K Leaf Spring on 3500-lb Axle on Tandem Travel Trailer
  • You would not like the ride quality with 6K-rated springs on the 3500-lb axles on your 2003 Dutchmen Lite travel trailer. In fact, since you (wisely) plan to replace all four leaf springs at once just having four new 3500-lb-rated springs will have the trailer suspension feeling stiffer than what you're accustomed to. The best way to go is to completely remove one of the springs so you can measure its eye-to-eye length without any tension on it. Do note that after years of use leaf...
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  • Equalizer Kit Replacement Recommendation for Equalizers that are 7-1/2 inches Long
  • Since your equalizers are longer than what we have kits for you'll need to piece the kit together you'd need to replace the equalizers, bolts, shackles, and nuts. For the equalizer you'd need to start with the part # TREQE1, then for bolts I'd recommend the wet bolts part # 126B2, for shackles you'd want the part # 115052 which are 2-5/8 inches long.
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  • What Are the Correct Replacement Leaf Springs for 6,000 lb Axle
  • There are leaf springs available with measurements close to 25" from center of spring eye to center of spring eye, though the correct one is going to depend on your axle capacity, which should be stamped onto the axle itself. Knowing this information is going to be important to get you the correctly rated springs. The options for you are going to be 6-Leaf Double-Eye Spring # SP-222275 which is for 5,300 lb axles and is 24-7/8" from center of spring eye to center of spring eye. Please...
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  • Will the Bolt-On Shock Kits for Trailers Work With Underslung Axles
  • I do have an option for you but the Lippert Components Bolt-On Shock Kit like part # LC281281 is designed for use on overslung axles (leaf springs over axle) only. Therefore, it should not be used with the underslung (leaf springs under axle) axles that you have. The reason for this is that the shock absorbers would not be long enough and there could be interference with the axle tube. Instead, I recommend using the Roadmaster Comfort Ride Shock Absorbers for Tandem Axle Trailers part...
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  • Replacement 26 Inch Leaf Springs, Shackle Straps, And U-Bolts
  • To give you the correct leaf springs, I would need to know the capacity of your axle or what your Gross Vehicle Weight Rating (GVWR) is not just the weight of the trailer itself. This is the loaded capacity of the trailer. We have a few options for 26 inch leaf springs: 4-Leaf Double-Eye Spring for 4,000-lb Trailer Axles - 26" Long # SP-051275 4-Leaf Double-Eye Spring for 2,000-lb Trailer Axles - 26" Long # SP-124275 6-Leaf Double-Eye Spring for 4,500-lb Trailer Axles - 26" Long...
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  • Replacement Axle Needed for Lippert 5,200 lbs Axle with Serial Number 045-001684271
  • I do have a solution for you, however when I spoke with my contact at Lippert they said that your axle is rated for 5,200 lbs and the highest rated standard axles that we have are rated for 3,500 lbs. The alternative solution that we have is the Timbren Axle-Less Suspension # ASR5200S01. This system is rated for 5,200 lbs and can be used as a single axle or you can use 2 for a tandem axle trailer. There are a few great things about the Timbren system. It increases ground clearance since...
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  • Which is Better Equa Flex Or Shock Kit for Trailer Suspension
  • Shocks are what smooths out vehicle and trailer suspension the most. Slowing down how the suspension reacts is what allows it to be smoother and not bounce around. If you have a 3,500 lb Dexter axle you would want the part # LC281255.
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  • How to Raise the Height of a 5th Wheel Trailer Without Flipping the Axles
  • To gain height without flipping your axles I recommend doing 2 things: replacing your leaf springs with ones that have more leafs and changing out your hangers for taller ones. You can probably get away with just swapping out your hangers but unless you only have something like 2 or 3 leaf springs and you want to gain height you would have to go with at least 4 or 5 leafs to gain enough height. When replacing leaf springs be sure to choose new ones that have a weight rating that matches...
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  • Differences Between Triple Axle Hanger Kits APTT1, APTT3, and APTT5
  • The differences are the dimensions of the hangers and equalizers of the three kits. The # APTT1 uses totally straight equalizers and taller center hangers. The # APTT3 uses more traditional sized equalizers and center and outside hangers that differ in size slightly. The part # APTT5 uses a standard sized equalizer and hangers that are all the same height. The part # APTT3 is the one that is the most commonly used. It would be my recommendation for your trailer.
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  • U-Bolts for 1-3/4 Inch Square Axle
  • For a square axle that is 1.75" wide, you would want the Replacement U-Bolt with Nuts for 1-3/4" Wide, Square Trailer Axles # 175130 along with the U-Bolt Plate for 1-3/4" Square Trailer Axles with 1-3/4" Wide Springs # 116308. I have added links to video reviews of both products for you.
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  • Spacing Between Hangers With Slipper Springs for 8,000 lb Axles and Hanger Kit
  • I checked for you and when installing the 7-Leaf Slipper Spring w/ Hook End for 8,000-lb Trailer Axles # SP-285275 with the Tandem-Axle Trailer Hanger Kit for 2" Slipper Springs - 12" Long Equalizers # APT6SE the distance between the front and center hangers will be 28-1/2", the distance between the center and rear hangers will be 29-1/2", the distance between the U-bolts will be 33" and distance between the center of the axle and trailer frame will be 4-1/2". I made a diagram for you...
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  • Recommended Suspension Upgrade For Tandem Axle System On 2017 Coachmen Clipper 21FQ
  • For your suspension upgrade, I recommend the E-Z Flex Heavy Duty Rubber Suspension System by Dexter Axle - 5-5/8" Equalizers # K71-652-00 or the Equa-Flex Cushioned Equalizers - Double Eye Springs - Tandem Axle - 3K to 6K # LC279687. The Dexter system uses a rubber bushing to help absorb shock and the Lippert system uses a similar rubber core. The benefit of the Dexter system is you can see the bushing so you can tell when it is worn and needs replacing. The benefit of the Lippert system...
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  • Recommended Air Suspension Kit for 13,000 lb Tandem Axle Food Trailer
  • To assist with the stability of the trailer, an air suspension system will give you the support you are seeking for off center loads as well as offering a smoother ride and support for off center loads. For this system, I recommend the Lippert Components Center Point by Trailair Air-Ride Suspension Upgrade - Tandem Axle # LC1565391. This system also raises your trailer about 2 inches to give you additional clearance. If you want suspension support but don't want the air system, you may...
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  • Replacement Parts For A Dexter 3,500 Lbs Axle Part # 35545E-ST-EZ-89
  • According to the manufacturer, the Homestead Challenger Trailers are equipped from the factory with 3,500 lb axles with electric brakes. For these axles you will need the following: 2 Dexter Electric Trailer Brake Kit part # 23-26-27 (Manual-Adjust) Or 2 Electric Trailer Brake Kit part # AKEBRK-35-SA (Self-Adjusting) And 4 Bearing Kits for #84 Spindles part # BK2-100 I have attached a few articles for your consideration in addition to a review of the products I have recommended.
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  • Switching from Standard Equalizers to Road Armor Kit and Recommended Shackles + Bushings
  • You will be able to use the Road Armor Shock Absorbing Equalizers since they're fairly close in dimensions (6" wide x 3-1/4"). I recommend pairing these equalizers with the Never Fail Tandem Axle Suspension Kit # LC281285 which comes with 2 different lengths of shackle straps (3-1/2" and 4-3/8" bolt hole to bolt hole) to accommodate for the change in height, new bolts and bushings for your springs. One of the great things about this kit, aside from it being high quality and durable, is...
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  • Installation of Hanger Brackets and Springs for Tandem Trailer Axles
  • It is not uncommon for the trailer hangers on a tandem axle trailer to be all the same size or for there to be different sizes that can be 1-1/2 to 2 inches different in height when you compare the center hanger to the front and rear. For example, the Tandem-Axle Trailer Hanger Kit for Double-Eye Springs - 2-1/2" Front/Rear, 4-1/2" Center # APT8 has that 2 inch difference in size. I've attached an article on suspension to help further as well. You will want to make sure you position...
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  • Recommended Hardware for Lippert Road Armor Shock Absorbing Equalizer Kit
  • The Road Armor Shock Absorbing Equalizer Kit - Tandem Axle - Qty 2 # LC696740 are for 3,500 lb all the way to 8,000 lb axles. Because axle spacing can be different I recommend the Never Fail Tandem Axle Suspension Upgrade Hardware Kit for Double Eye Springs # LC281285 which comes with different shackle strap lengths and the Never Fail Bushings so no maintenance is required. I've attached an article on trailer suspension to further assist as well as some videos to help.
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  • Torque Specs for U-Bolts with 3,500 Pound 4-Leaf Double-Eye Springs
  • To use with the 4-Leaf Double-Eye Spring for 3,500 Pound Trailer Axles # SP-210275 I recommend the U-Bolt Kit # APUBR-1. The manufacturer doesn't list any specified torque specs for this kit but based on the size of the hardware (1/2 inch diameter nuts) you will want to torque them down to about 70 foot pounds. I have attached an installation video that you can also take a look at.
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  • Can a Dexter 5,200 Lb Axle Be Replaced With a Dexter 6,000 Lb Axle
  • It sounds like you are asking if you can use the Dexter Trailer Axle Beam part # 8327826 to replace the axle beam included with Dexter Trailer Axle with Electric Brakes part # 8327816-EB and reuse the braking assemblies and hubs/drums. If that is the case then yes you can as the diameter of the spindle where the bearings and grease seal ride are the same. Therefore, even though they may use a different outer bearing, the diameter for the inside of the bearing where it sits on the spindle...
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  • Replacement Equa-Flex Cushioned Equalizers for Dexter Equalizer Part 13-122
  • The Equa-Flex Cushioned Equalizers part # LC279688 would indeed be the best fit replacement for the Dexter Equalizers part 13-122 you have now. However, as you mentioned the vertical bolt spacing will be about 2" taller which does indeed mean that the trailer will be raised but not necessarily the full 2". If you are looking for a cushioned equalizer upgrade that would not raise the trailer I recommend taking a look at the E-Z Flex Heavy Duty Rubber Suspension System by Dexter Axle part...
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  • Adding Electric Brakes to Northern Tool UltraTow 5x8 Aluminum Frame Trailer
  • Because the trailer doesn't have a traditional size, in order to upgrade to trailer brakes you will need to have a welder install the Brake Mounting Flange for 1-3/4" Round Trailer Axles - 2K # 4-34 which will require the proper jig to ensure placement and alignment. Then you will need to measure your spindles to help get the correct replacement hubs to add the integrated drum. I've attached a photo of the locations to measure with a digital caliper like # PTW80157 to assist in getting...
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  • How to Determine Correct Slipper Spring Replacement for 1,500 lb Axle
  • What happens to slipper springs is that over time they elongate and flatten out, particularly if your springs are considerably older. The most important measurement you mentioned was the 26 inches from the center of the spring eye to the end of the spring. Based on that the closest slipper spring we have that could work is the 3-Leaf Slipper Spring w/ Radius End for 1,500-lb Trailer Axles - 24-5/8" Long # SP-178275, which would work if you had a tandem-axle trailer. There are no slipper...
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  • Recommended Trailer Suspension Shock Kit for 3 Inch Diameter Axles on 2019 Keystone Cougar 5th Wheel
  • The Lippert Components Bolt-On Shock Kit w/ Heavy Duty Gas Shocks - 5,200-lb to 7,000-lb (3") Axle # LC281281 are designed to be installed so that they are as directly aligned as possible. The vertical tilt is desired, but a horizontal tilt is not for best result. It can be done as shown in the attached photo, but it not ideal. Instead I recommend the Roadmaster Comfort Ride Shock Absorbers for Tandem Axle Trailers - 5,200-lb to 7,000-lb Axle # RM-2460 which are designed for that...
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  • Recommended Bushings and Bolts for Trailer Suspension Upgrade
  • The Bronze Bushings # K71-291-00 will work well with the wet bolts # 34007-187-00 which are 3-5/8 inches long. The usable length is 2-1/4 inches which will work well with the bronze bushings that are 1.74 inches long. As you stated, wet bolts can vary in length and should not be used with the nylon bushings # TRBU11566 as they cause them to break down prematurely. If you are simply wanting a bushing kit that requires no maintenance and will last, I recommend the Never Fail Tandem...
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  • Recommended Triple or Quad Axle Suspension for Trailer Build
  • Since you are building a trailer I first want to state that using quad axles isn't ideal. It will cause tire scrub as there becomes too broad an axle base for the trailer to track as nicely. That is why most trailers will use tandem or triple axles as needed for load capacity. If you just want to add the 4th axle for overbuild reasons it will bite you as you will need to replace tires more often. Most of the professional semi flat bed trailers that have the quad axles are for transporting...
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  • Replacement Wet Bolts and Bushings for Equa-Flex Trailer Suspension
  • Based on the 12,400-lb base weight of your 2016 Reflections 357BHS you should have the Equa-Flex Cushioned Equalizer # LC279688 which works with 6K to 8K axles. The wet bolt to use is part # LC126238; you will need 7 for each side of the trailer, so 14 in total. For Never Fail bushings use kit # LC279685, or for nylon bushings use # 721590.
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  • Can 3,500 lb Axles be Changed to 5,200 lb Axles and Parts Needed
  • The short answer is yes, you can replace your 3,500 lb axle with a 5,200 lb axle. The longer answer is that while you can change to a higher-rated axle, that does not mean your trailer has a higher weight capacity. The reason is, weight ratings are determined by the lowest-rated component, which can be something other than the axle, like the trailer chassis, for example. So you would need to ensure via the trailer manufacturer what the lowest-rated component is. With that said, in order...
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  • Recommended Cushioned Equalizers to Replace Dexter 13-10 Equalizers
  • The 13-10 equalizer is equivalent to the Triangular Equalizer for 1-3/4" Double-Eye Springs - 6-1/16" Long - 9/16" Center Hole # TREQ310. If you go with the Dexter E-Z Flex Heavy Duty Rubber Suspension System by Dexter Axle - 5-5/8" Equalizers # K71-652-00 they will work very well but will lower your trailer by about 1 inch. The Equa-Flex Cushioned Equalizers - Double Eye Springs - Tandem Axle - 3K to 6K # LC279687 will also work and will do the same.
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  • Replacement Leaf Spring with Single Leaf Compared to Multi-Leaf Spring
  • The 1-Leaf Double-Eye Spring for 6,000-lb Trailer Axles - 25-1/4" Long # SP-115275 will have the same capacity strength as a multi-leaf spring. It will replace a spring of the same length with the 3,000 lb capacity so it will work for a 6,000 lb axle. The benefit of not having the multi-leaf springs is the thickness is different in that this leaf spring will only have a 7/8 inch thickness making it fit well with the U-bolt around your axle. This spring will work just as well as the...
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  • Can the Spring Seats Be Moved on the Dexter 3,500 LB Drop Axle
  • The Dexter Trailer Axle Beam with 4" Drop E-Z Lube Spindles part # 8327812 measures 89" long between each hub face and 74" long between each spring center. It is not offered with 89" between each hub face and 70-1/2" long between each spring center because the spring seats can be moved. The spring seats for this axle can be moved to a minimum of 75" apart and a maximum of 71" apart. Since you only need to go in 1/4" more on either side I would say you are fine to move the spring seats on...
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  • Distance Between Hangers with 26 Inch Leaf Springs
  • We don't carry the MR4 leaf springs but based on my research they look like they are 26 inch double-eye springs like part # SP-053275. For springs of this length and the Tandem-Axle Trailer Hanger Kit for Double-Eye Springs # APT4 the hangers are going to be spaced 30-1/4 inches apart. I have added a link to a video review of the hanger kit as well as a couple help articles on trailer suspension which I recommend checking out.
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  • Can Roadmaster Comfort Ride Shocks and Lippert Equa-Flex Fit on Freedom Express 246RKS
  • There would be a significant upgrade in the ride of your trailer if you were to install both the Roadmaster Comfort Ride Shock Absorbers # RM-2460 and the Equa-Flex Cushioned Equalizers # LC314336. If you had to choose between the two though I recommend going with the Comfort Ride Shock Absorbers as they will have the most impact on how your trailer handles. When it comes to replacing your leaf springs you want to stick with leaf springs that are rated for the weight of your axle. If...
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  • Parts Needed for Suspension Upgrade for 2018 Heartland North Trail 25LRSS Wide Stance
  • As long as the Equa-Flex Cushioned Equalizers # LC314336 have similar dimensions to your current equalizers then you can use it with 2 of the Dexter Heavy Duty Suspension Upgrade Kit # K71-358-00 like what you mentioned. For the sake of consistency though I do recommend using the Step Wet Bolt # 34007-187-00 with the Flange Nut # 006-092-01 as opposed to the Wet Shoulder Bolt # LC126238. The suspension upgrade kit has enough wet bolts for the shackle straps and the front/rear hangers...
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  • Tandem Axle Hanger Spacing for Double Eye Springs 25-1/2 Inches
  • For your double eye springs that are 25-1/2 inches, it is likely your hangers are 29-1/2 inches apart on center and your springs most likely were originally 25-1/4 inches as they will stretch slightly over time. For instance if you were to use 25-1/4 inch springs like # SP-111275 then you could use tandem axle trailer hanger kit # APT5 and use either spacing 29-1/2 inches on center for a good fit.
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  • Selecting Replacement Leaf Springs for Enclosed Trailer
  • Leaf springs stretch with use and age and to make sure you match their length, as well as their capacity, you will want to pull one out of the trailer's suspension so you can measure its eye-to-eye length. A well-used spring can stretch as much as 1/2-inch from its original length. If your hanger hole spacing is 25-inches on center then you may well need a 25-1/4-inch like # SP-220275 but the length of your shackles comes into play too. The spring eye dimension should be longer than...
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  • Length of Shocks on Lippert Bolt-On Shock Mount Kit
  • I'm not exactly sure what you are asking; if it is about how to mount the Lippert shocks, the figure you referenced is simply a part of those directions. If you would like to clarify please let me know so I can get a better idea of what you are trying to accomplish.
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  • Is There a Timbren Axle Less Kit Setup that Fits Jeep Wheel Bolt Pattern 5 on 5 inch
  • We have to tell you that you shouldn't use Jeep wheels on a trailer as they weren't intended for use on a trailer. That said we know people do this all the time so you'd probably be fine. We've seen people use the Timbren Axle Less kits with Jeep Wheels too. Part of why the Timbren Axle-Less Trailer Suspension System with Hubs # A12WS545 is for "off road" tires is for this purpose so it's physically possible. The Jeep wheel bolt pattern is 5 on 5 inch like what the part # 84550BX has....
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  • Recommended Leaf Springs for 4,400 lb Axle Based on Axle Position and Hanger Locations
  • The typical springs for the AL-KO 4,400 axles are one of two lengths. If you have the 25-1/4 inch length, then you will want the 4-Leaf Double-Eye Spring for 5,000-lb Trailer Axles # SP-218275, but if you have the 26 inch springs, you will want the 6-Leaf Double-Eye Spring for 4,500-lb Trailer Axles # SP-256275. The width will be the same so you will want to determine the length based on the position of the axle using dimension A and D in the attached photos and the axle position based...
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  • Tire/Wheel Combo Needed that is Rated for 3,500 lbs and Compatible with Dexter # 35545E-ST-EZ-89
  • I do have a solution for you, however, the smallest tire we have on a 13" wheel is part # AM31985 which has a load range of 1,610 lbs at 65 psi meaning it won't be strong enough for the 3,500 lb axle. The best option that you have is the Taskmaster Contender ST205/75R14 # AC14R45SM which comes with a 14" wheel that is compatible with the Dexter Trailer Axle # 35545E-ST-EZ-89 that you referenced. This tire/wheel combo has a load range of 1,760 lbs at 50 psi which means 2 of them will...
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  • Replacement Equalizer Needed for Dexter Axle Equalizer 13-142
  • If you are simply needing to replace some worn equalizers then we actually do carry the part you are searching for. It is listed as part # K13-142-02 on our site and is a direct replacement for the 13-142 equalizer that you referenced. I confirmed this with my contact at Dexter Axle. If you are looking to upgrade your current equalizers then no, there is no equalizer upgrade we currently carry that will directly fit the large dimensions that you referenced. You would have to change out...
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  • Hubs with 5 on 5 Bolt Pattern that Will Fit a Timbren Axle-Less Suspension System
  • There are Timbren axle-less suspension systems that do not come with hubs so that you could add your own such as # AKIHUB-550-35-EZ-K. But the hubs with 5 on 5 bolt patterns that would also fit a Timbren system only accept up to 15 inch wheels. The other issue is that vehicle wheels are not meant to be used on trailers and often have an offset (mounting surface of wheel not in the dead center of the wheel) whereas most trailers take wheels with a zero offset. With that said the hub listed...
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  • Trailer Suspension Kit and 6 Inch Long Equalizers for Tandem Axles and Double Eye Springs
  • Suspension kit # APT4 for tandem axles with double eye springs has 6-1/4 inch long equalizers so it is a possible option for you. Kit # AP233-H248 uses 5-3/4 inch long equalizers. But if you have to have equalizer # TREQ310 then the individual parts will have to be pieced together since there isn't a kit with that equalizer. If you go that route then you would also need: 8 of # 18-11GALV 14 of # 166081 1 of # H248 (or other hangers, see link)
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  • Replacement Triple Axle Hanger Kit for 2015 Kaufman Car Hauler with 7k Axles
  • What you have is a slipper spring setup on your 2015 Kaufman car trailer. So what you need for a triple axle hanger kit then is the part # APTT6SE which comes with everything needed. If you need new leaf springs too you'd want the 7k rated part # SP-232275 for each one.
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  • Recommendation For Timbren Axle-Less Trailer Suspension W/Electric Brakes For 6 x 5.5 Bolt Pattern
  • Because you are wanting a 4 inch lift spindle with a 6 x 5-1/2 bolt pattern, I recommend the Timbren Axle-Less Trailer Suspension System- 4 inch Lift Spindle w/Flange - 2.2K Item # ASR1THDS03 . It will give you the suspension components integrated into the axle-less spindles. With this kit, I recommend the Electric Trailer Brake Kit - Self-Adjusting - 10 inch - Left and Right Hand Assemblies Item # AKEBRK-35-SA along with the Trailer Hub and Drum Assembly - E-Z Lube Axles - 10 inch...
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  • Recommended Drop Axle for Trailer With 80 Inch Spring Center
  • The best option we have for you is going to be with the Dexter Trailer Axle Beam with 4" Drop E-Z Lube Spindles part # 7685269 which has a 3,500 lb weight capacity. This will allow the tires to extend out past your load and will provide you with the low load height you will need. The spring center spacing on this axle is set at 80" but if this does not match what you have on your trailer now then you can always move them to where you need them with part # TRSS238. The leaf springs will...
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  • Replacement 6k Rated Leaf Springs with Cushioned Equalizers for Tandem Axle Trailer
  • The 6-Leaf Double-Eye Spring for 6,000-lb Trailer Axles # SP-053275 that you referenced will work great on your trailer as it matches the capacity you need. The overall thickness of the spring pack is 2-1/4 inches which might be thicker than what you current have and could affect the height of the trailer. For a U-bolt kit you would need the part # APUBR-8 which is for the 6k axles like you have. The equalizers you have now are Equa Flex Cushioned equalizers so for a replacement set...
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  • Replacement Suspension Components for 6,000 Lb Axles with 25-1/4 Inch Long Leaf Springs
  • Thanks for the photo! I have everything you need to get your trailer back on the road. I have attached my recommendations on the following parts for you trailer as well as the quantities needed. Leaf Springs: part # SP-111275 (4) Equalizers: part # TREQ310 (2) Shackle Straps: part # 115208GALV (8) U-Bolts: part # APUBR-8 (2) Eye Bolts: part # 166079 (12) I have also attached a few review videos on the above products for you as well.
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  • Availability of Trailer Axles With 72 Inch Spring Centers
  • The two relevant dimensions when replacing a trailer axle is the hub face to hub face of the existing axle and the center to center spring seat dimension. Are you sure about that spring seat center to center distance? The closest axles we offer are a 5200 or a 6000 lb axle with a 71-1/2 spring seat center to center dimension. All have a hub face to hub face dimension of 86-1/2 inches. I've provided a diagram showing these dimensions. We have a total of 4 axles available with these...
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  • Changing 3,500 Pound Trailer Axles to 5,200 Pound Axles
  • The first thing to consider is if the axle(s) are actually bent. Trailer axles have a bow in them so they are higher at the center than at the ends. When under load the axles straighten out some. That is part of how they get their capacities. If the axles are bent from damage then that is another story. Like you said the 5,200 pound axles that we have include spring seats that are on the bottoms of the axles. In order to have the spring stacks on top of the axles all you would need...
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  • Heavy Duty Equalizer Kit and Trailer Brake Assemblies for Dexter 3,500 lb Axles
  • Since you said your equalizers are the same dimensions as the 013-122-04 (2.88" tall x 7.67" centers) then the correct kit you need is the part # K71-449-00 as that's what this comes with. This gives you new equalizers and shackles. For a set of left and right Dexter 3,500 lb brake assemblies you'd then want the part # 23-468-469. These are self adjusting as well.
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  • Alternative to Leaf Spring Spacers to Lift Trailer
  • Although we do not have spacer blocks of that dimension we have an option for you that will allow you to lift your trailer with what is called an over/under conversion kit. This moves your trailer's leaf springs to the top of your axle and lifts your trailer approximately the same amount as your axle's diameter plus the height of the leaf spring pack (please keep in mind this conversion kit is for use with double-eye springs only). The accompanying photo a customer sent in shows the...
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  • Upgrading Leaf Springs on a Trailer with a 3500 Pound Axle
  • If you are wanting to go to higher capacity leaf springs I would advise against it. The problem is that since the trailer axle is rated for 3,500 pounds you won't gain any additional capacity by switching to higher capacity springs. What it will do is not allow the suspension to compress as much leading to a very stiff and jarring ride for the trailer and anything in it. Another problem is that alternate springs may not have the correct measurements and that would mean that the spring...
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  • Hanger Spacing for 3500 LB. Tandem Axle Trailer
  • Thank you for purchasing from etrailer! You did a great job selecting compatible parts. When using Leaf Springs # SP-198275 with the # AP233 Equalizer Kit and the # H248 Hanger Kit, there should be 29-1/2" between the front and center hangers and 29-1/2" between the center and rear hangers. This should achieve a 4-1/2" clearance between the center of the axle and the trailer frame if you have a 3500 lb axle. I've Provided a diagram that should be helpful. I've also provided a link to our...
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  • Replacement Components To Upgrade Harbor Freight Folding Trailer
  • The Dexter Trailer Idler Axle w/ Idler Hubs - EZ-Lube - 4 on 4 Bolt Pattern - 60" Long - 2,200 lbs # 20440I-EZ-60 will be a great upgrade from the axle that comes on Harbor Freight trailers. The 3-Leaf Double-Eye Spring for 2,000-lb Trailer Axles - 20-3/8inch Long # SP-169275 and hanger kit # APS2 will work well as will the u-bolts # CE23000. The Kenda 4.80-12 Bias Trailer Tire with 12" Galvanized Wheel - 4 on 4 - Load Range C # AM30630 is rated for 990 lbs each max capacity, so you...
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  • 25-1/4 inch Leaf Spring Recommendation for Travel Trailer with Tandem Axles
  • 20 year old leaf springs on a trailer could easily stretch 3/4 of an inch. Going with a 25-1/4 inch spring like you mentioned would be great. Since your springs are 3 inch in diameter that would indicate that most likely you have a 5,200 lb axle as that's a very common rating for that size. For a 25-1/4 inch length spring we have the part # SP-218275 which has a 5,000 lb capacity. # SP-220275 which has a 4,000 lb capacity, and # SP-115275 which has a 6,000 lb capacity. Suspension components...
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  • Recommended 7,000 lb Axle with Brakes for M105 Military Trailer
  • To replace the axles on your M105 Trailer, you will need to know what dimension is the better fit. We have 7,000 lbs axle with electric brakes and drum assemblies that are 95 inches from hub face to hub face with 80 inch on center spring seats or 94 inch with 79 inch centers. We also have straight no drop or 4 inch drop axles. Here are your options: Dexter Trailer Axle w/ Electric Brakes - E-Z Lube - 8 on 6-1/2 Bolt Pattern - 95" # 8327834-EB Dexter Trailer Axle w/ Electric Brakes...
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  • Bolts Needed To Install Slipper Springs
  • For the spring eye you would use the Spring-Eye Bolt with Locknut for Slipper Springs - 3-1/2" Long # 166079, but slipper springs don't have the second spring eye, so a bolt is not used on the back end. You can also use a wet bolt like # 126B2, for less friction. The Shackle Bolt with Locknut for Double-Eye Springs - 3" Long # 166081 are for use with the spring and shackle straps used with a shackle straps on a tandem setup with an equalizer but it could be used for the springs and the...
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  • Jeep Wheel Compatibility with Timbren Axle-Less Trailer Suspension System
  • Jeep wheels have the 5 on 5 inch bolt pattern and we do have hubs that fit the Axle-Less Systems and your Jeep wheels. It is recommended to use trailer wheels with trailer hubs because of the zero offset and tire design, but people have been using Jeep wheels especially for off-road trailers for years so we know they can work. We only have a couple compatibles option for that size hub. You will want the Timbren Axle-Less Trailer Suspension System - 4" Lift Spindle w/Flange - Off-Road...
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  • How To Use the Roadmaster Comfort Ride Kit On a Trailer with 1-3/4 Inch Wide Double Eye Springs
  • If you will be installing the Roadmaster Comfort Ride Leaf Spring Suspension Kit part # RM-2460-2570 on a trailer with 1-3/4" wide double eye leaf springs then you will need to replace the front and rear leaf spring hangers with ones for a 2" wide leaf spring, the Hanger for 2" Wide Slipper Springs part # 721584 should work for you but I have attached a list of other options as well that vary by height. The Roadmaster Comfort Ride Leaf Spring Suspension Kit is not offered with 1-3/4"...
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