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Dexter Heavy-Duty Suspension Kit for Tandem-Axle Trailers - 1-3/4" Wide Double-Eye Springs
Dexter

Dexter Heavy-Duty Suspension Kit for Tandem-Axle Trailers - 1-3/4" Wide Double-Eye Springs

Part Number: K71-448-00
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$281.16
Trailer Suspension Parts
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Suspension kit includes equalizers and hardware for attaching leaf springs to the hangers on your tandem-axle trailer's frame. Includes (2) 4" tall equalizers with built-in grease zerks for easy lubrication and heavy-duty shackle straps. Great Prices for the best trailer suspension parts from Dexter. Dexter Heavy-Duty Suspension Kit for Tandem-Axle Trailers - 1-3/4" Wide Double-Eye Springs part number K71-448-00 can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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Dexter Trailer Suspension Parts - K71-448-00

  • Suspension Kits
  • Boat Trailer
  • Snowmobile Trailer
  • Double Eye Springs
  • Tandem Axle
  • Dexter

Suspension kit includes equalizers and hardware for attaching leaf springs to the hangers on your tandem-axle trailer's frame. Includes (2) 4" tall equalizers with built-in grease zerks for easy lubrication and heavy-duty shackle straps.


Features:

  • Suspension kit lets you attach 4 leaf springs (sold separately) to your trailer frame
    • Works with tandem-axle trailers with 1-3/4" double-eye springs
    • Hangers sold separately
  • Equalizers transfer load and impact from one axle to another by permitting movement between the axles
    • Springs attach to ends of equalizers with included hardware
  • Bolts secure equalizers and springs to the hangers on your trailer
    • Grease zerks allow for fast, easy lubrication to keep moving parts functioning at their best
  • Heavy-duty shackle link assemblies with bolts secure springs to equalizers
    • 1/2" Thick links are thicker than standard straps for greater durability
  • Bushings fit into spring eyes to help maintain a well-functioning system and ensure proper sizing for suspension bolts
    • Bronze construction resists corrosion
  • Kit includes:
    • 2 Equalizers with built-in grease fittings
    • 4 Shackle strap assemblies - shackle straps with wet bolts
    • 8 Bronze bushings
    • 2 Dry suspension bolts
    • 4 Wet suspension bolts
    • 14 Flange nuts


Specs:

  • Application: tandem-axle trailers with 1-3/4" double-eye springs
  • Equalizer dimensions:
    • Distance between outer shackle bolt holes (center on center): 6"
    • Distance between hanger bolt hole and shackle bolt hole (center on center): 3"
    • Height of side bolt hole to hanger bolt hole: 4"
  • Shackle strap length: 2-1/4" from center hole to center hole
  • 5-Year limited warranty


Dimensional Diagam



K71-448-00 Dexter Axle Heavy Duty Suspension Kit for Tandem Axle Trailers - 1-3/4" Wide Double-Eye Springs - 4" Tall Equalizers




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Customer Satisfaction Score:

Ratings & Reviews

4.7

878 reviews
Suspension kit includes equalizers and hardware for attaching leaf springs to the hangers on your tandem-axle trailer's frame. Includes (2) 4" tall equalizers with built-in grease zerks for easy lubrication and heavy-duty shackle straps.

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See what our Experts say about this Dexter Trailer Suspension Parts

  • How to Find if Dexter Heavy-Duty Suspension Kit Will Fit on Trailer
    The equalizers that come with the Dexter Heavy-Duty Suspension Kit # K71-448-00 have bolt holes that measure 6" apart on center and then 4" tall on center as you can see in the attached photo. You'll want to measure your current equalizers to see if they have similar dimensions or not. If they do then this is the kit for you. If they don't then just let me know what your measurements are and I can help you choose the correct replacement suspension kit from the linked selection.
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  • Bear Aluminum Boat Trailer Replacement Axle and Suspension Parts For 3,500LB Tandem Axle Trailer
    I reached out to Bear and they were able to confirm that your 3,500lb axles use a #84 spindle. This will allow you to use the Hub Bearing Kit # BK2-100 on each of your axle hubs. The kit includes new inner and outer bearings and races, a grease seal, cotter pin, and tang washer for one hub. The Bearing Buddy Bearing Protectors # BB1980A-SS can be used if your axles do not already have the EZ Lube spindle. They were also able to tell me they use a 4-Leaf Double-Eye Spring # e54SR. Since...
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  • Equalizer Kit for Tandem Axle Trailer that is 4 inch Tall and 6 inch Wide
    Hey Thomas, so we have the exact equalizer kit you are looking for with the part # K71-448-00. This comes with equalizers that match exactly with what you have now as well as heavy duty shackles that are also the same length and matching wet bolts and bushings.
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  • Replacement Landing Gear and Equalizers for a 2008 Keystone Cougar 5th Wheel
    Thanks for the pictures! Based on the weight of your 2008 Keystone Cougar 5th Wheel, you will want the item # LG-1 landing gear set. You are going to want to measure to be sure this is the right size for you. The two things you will want to measure will be the distance of the black outer tube of the jack and the distance between the frame clamps (this measurement can differ depending on where the weld stops are located). You'lll need to measure from the underside of top bracket to top of...
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  • Difference Between Dexter Heavy-Duty Suspension Kit K71-448-00 & K71-359-00
    Excellent question, and the difference between the two kits comes down to the dimensions of the equalizers. What you will want to do is match up the size of your equalizer with the size of the equalizer in these kits. - 6" Long, 4" Tall Equalizer: Dexter Heavy-Duty Suspension Kit # K71-448-00 - 5-3/4" Long, 2" Tall Equalizer: Dexter Heavy-Duty Suspension Kit # K71-359-00 Both kits are otherwise for use with tandem axle trailers that have 1-3/4" wide double-eye leaf springs. You won't...
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  • Dexter Suspension Kit For Tandem Trailers With Equalizers Measuring 7-3/4, 6, or 5-3/4
    The Dexter suspension kits are high quality and include "wet bolts", bronze bushings instead of nylon and thick shackles. Properly maintained these would likely outlast typical factory kits three times over! To determine which kit is right for you simply measure the distance across the equalizer and use item # K71-449-00 for 7-3/4" long, item # K71-448-00 for 6" long, or item # K71-359-00 for 5-3/4" long. I have included a picture of the 7-3/4" equalizer showing where to measure. If...
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  • Recommended Dexter E-Z Flex Upgraded Equalizer to Replace Existing 4 Inch Tall Equalizer
    You could use the Dexter E-Z Flex # K71-652-00 tandem axle suspension upgrade kit for 6K axles or # K71-653-00 for 8K axles. If you used the # K71-652-00, you'd need an equalizer hanger about 2 inches longer to make up that height difference and not throw off your suspension geometry. Or, you could use a shock absorbing equalizer that has the same approximate height as your existing equalizer like the Lippert Road Armor, part # LC696740 which is good for 3500-8000 lb axles, which wouldn't...
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  • Can 4" Tall Equalizer Be Used To Replace 3" Tall Equalizer?
    You are correct. The Dexter Heavy-Duty Suspension Kit for Tandem-Axle Trailers - 1-3/4" Wide Double-Eye Springs # K71-448-00 you were looking at is 4" tall meaning it slightly will lift your trailer. These equalizers are slightly shorter at 6" wide but since it is within 1/8" you wont have any issues. I included a diagram showing the dimensions of the # K71-448-00 and a video review for you to take a look at.
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  • Will Dexter Heavy-Duty Suspension Kit for Tandem-Axle Trailers Work With 6 Inch Equalizer
    Thank you for the photo that was super helpful, and based off that I can tell you that yes, the Dexter suspension kit you asked about will work for your equalizers, with the part number being the following: - Dexter Heavy-Duty Suspension Kit for Tandem-Axle Trailers - 1-3/4" Wide Double-Eye Springs # K71-448-00 The # K71-448-00 uses equalizers that have bolt holes 6 inches apart on center just like in your photo, and also 4 inches tall (I have added a photo with the dimensions of the...
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  • Can Dexter Equalizer Kit part # K71-448-00 be Used with Dexter 3,500 lb Axle
    The Dexter Equalizer kit part # K71-448-00 can definitely be used on a 3,500 lb Dexter axle. These aren't normally picked out based on axle capacity instead they are picked out by dimensions. You can compare the dimensions of this to what you have now and you'll know if this would be an easy swap. This is 4 inches tall from the top hole down to the center of the bottom holes and then between the lower holes it measures 6 inches. The shackle strap that's included is 2-1/4 inch which is a...
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  • Dexter Triangular Equalizer Kit With Wet Bolts And No Grease Zerk On Top of Equalizer
    Randy, I have a couple routes you can go since the grease zerk on the Dexter Heavy-Duty Suspension Kit # K71-448-00 is not going to fit inside your hanger. We do have the Triangular Equalizer # TREQ310 but this comes with nylon inserts so you would need to swap them for Bronze # D014-077-00 if you wanted to have Wet Bolts # MR46ZR. Otherwise you could use the Kit # K71-448-00 and swap out the standard pivot bolts which come with the kit for the Wet Bolt # MR92HR and Nut # MR85DR. The...
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  • How To Choose the Correct Dexter Heavy-Duty Suspension Kit for Tandem-Axle Trailers
    I don't have any information as to what leaf springs are on any one particular trailer such as a 2007 Jayco Jay Flight 29BHS but if they are double eye leaf springs which are the most common then we should have a Dexter Heavy-Duty Suspension Kit for Tandem-Axle Trailers that will work. In order to choose the correct one you just need to make note of the equalizer dimensions; part # K71-449-00 for 7-3/4" long, part # K71-448-00 for 6" long, or part # K71-359-00 for 5-3/4" long.
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  • Recommended Replacement Suspension for 6K Tandem Axles
    Thanks for the measurements. I recommend using the 6-Leaf Double-Eye Spring for 6,000-lb Trailer Axles - 26" Long # SP-053275. Then use the Dexter Heavy-Duty Suspension Kit for Tandem-Axle Trailers - 1-3/4" Wide Double-Eye Springs # K71-448-00. This is a heavier duty assembly with wet bolts for easy lubrication and heavy-duty shackle straps.
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  • Determining The Correct Replacement Leaf Springs For Tandem Axle Trailer W/ Square Axles
    I would be happy to help you find the correct replacement suspension components for your trailer, but you will need to take a few measurements first. Starting with the leaf springs, you will need to make sure that the tires on the side of the trailer you are working on is off the ground with the trailer supported by the frame as the leaf springs will stretch when the tires are on the ground and weight is applied. If your 26-1/2" measurement was with the tires off the ground the closest...
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  • Will Taller Equalizer Raise Height of Trailer
    Hey Mike! Are you referring to the Dexter # K71-448-00? Adding a taller equalizer is possible but it won't raise the height of your overall trailer. You would also have to get longer hangers for the front and rear to match and raise the height. I don't recommend this since you may throw off your suspension if you don't get it right. The flip kit # K71-384-00 (2-3/8" axles) or # K71-385-00 (3" axles) is the most basic, cost effective way to do this. You can also use the Correct Track #...
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  • Dexter Heavy-Duty Suspension Kit For a 2015 Nitro Z8 Boat Trailer
    You will need the Dexter Heavy-Duty Suspension Kit # K71-448-00 for your 2015 Nitro Z8 boat trailer. This kit has the same triangle shaped equalizer as your current trailer. Also included are new shackle straps, wet bolts and bronze bushings for your leaf springs. Be sure to use some Grease # L11390 which is highly water insoluble and rated for marine applications.
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  • How To Confirm Fit of Dexter Heavy-Duty Suspension Kit for Tandem-Axle Trailers
    The Dexter Heavy-Duty Suspension Kit for Tandem-Axle Trailers part # K71-448-00 has equalizers which measure 6" long from the center of each hole (left to right). The shackle straps measure 2-1/4" long from center to center. These are pretty standard measurements and work with most trailers but you will still need to measure first to confirm as there is really no other way to verify fit.
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  • Recommended Option To Add At Least 2 Inches Of Lift To A 2017 Heartland North Trail 32RETS Trailer
    To get the amount of lift you want and having tandem axles, you will need QTY.3 of the Correct Track Trailer Alignment and Lift Kit # LC87120. This will cover all 6 hangers and will give you 1-1/4" or 2-1/4" of lift. In combination with the MORryde # MR34AR kit giving you 3/4" of lift already, you will have 3" of lift when all is said and done.
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  • Upgraded Heavy Duty Shackle Kit with Bronze Bushings for Tandem Axle Trailer
    For a heavy duty replacement shackle, bolt, and bushing kit for a tandem axle trailer similar to what you referenced but without the equalizers you'd want to order a quantity of two of the part # K71-358-00 for your trailer and you'd be set.
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  • Recommended 14-1/2" x 3" Tall Equalizer and Replacement Shackle Kit
    To replace your 14-1/2" x 3" tall equalizer you will want the Curved Equalizer for 1-3/4" Wide Double-Eye Spring item # K13-142-02. This equalizer is slightly larger at 14-3/4" but will still work for your trailer. For upgraded shackles and wet bolts you will want the MORryde Suspension Upgrade Kit for Tandem Axle Trailers item # MR46ZR (2-1/4" shackles) or item # MR76ZR (3-1/8" shackles). These kits come with the bronze bushings, wet bolts and shackle straps.
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  • What Would be Trailer Suspension Height Difference Between Equalizers K71-359-00 and K71-448-00
    Hey Eron, the equalizer part # K71-448-00 is 2 inches taller than the # K71-359-00 but since this only changes the height of half the leaf spring you'd end up only gaining 1 inch.
    view full answer...
  • Replacement Wet Bolt & Nut For Dexter Heavy-Duty Suspension Kit K71-448-00
    The replacement wet bolt and nut for the Dexter Heavy-Duty Suspension Kit # K71-448-00 are the following: - Step Wet Bolt # 34007-187-00 - Replacement Flange Nut # 006-092-01
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  • Why Does the Dexter Heavy-Duty Suspension Kit K71-448-00 Come with Silver Bolts and Not Black
    The Dexter Heavy-Duty Suspension Kit for Tandem-Axle Trailers part # K71-448-00 has zinc plated wet bolts which are just as strong as the black bolts you are used to seeing. The metal is the exact same but the coatings are different. The zinc coating is more durable as it resists rust and corrosion better which is why Dexter is now starting to transition from the black bolts to the silver zinc plated bolts. The Dexter Heavy-Duty Suspension Kit for Tandem-Axle Trailers is a fairly new kit...
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Info for this part was:

Employee Mike L
Expert Research:
Mike L
Employee Jameson C
Expert Research:
Jameson C
Employee Lindsey S
Updated by:
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Employee Wilson B
Updated by:
Wilson B
Employee Carrie F
Updated by:
Carrie F
Employee Dustin K
Video by:
Dustin K
Employee Brian T
Written by:
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Employee David F
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Employee Michael B
Installed by:
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