Reese Weight Distribution - RP66151
Spring-bar hangers with integrated friction pads help to reduce sway on this weight-distribution system. Flexible, powder coated steel, trunnion spring bars create a level ride for both your trailer and tow vehicle. Adjustable shank included.
Features:
- Evenly distributes weight over axles of tow vehicle and trailer for stability and control
- Creates a more level ride for both tow vehicle and trailer
- Spring-bar hangers have integrated friction pads to prevent trailer sway
- Constructed of automotive-quality friction material - durable and effective
- Reduces trailer sway caused by winds, curving roads or sudden maneuvers
- Trunnion spring bars are hot rolled and tapered for superior strength and flexibility
- Bars flex appropriately over uneven terrain for a controlled, even ride
- Desired tilt is easily achieved with serrated-washer design - no more piling on washer after washer
- No-drill, clamp-on brackets can adjust along the trailer frame to accommodate frame-mounted items such as gas tanks, toolboxes or generators
- Brackets can fit up to 6" trailer frames
- Included lift handle eases installation by reducing lifting required by trailer jack
- Forged, raised ball platform on head eliminates need for raised hitch ball
- Solid steel shank has corrosion-resistant powder coat
- System includes head assembly, adjustable shank, trunnion spring bars, spring-bar platforms with clamp-on hangers, lift handle, pin and clip, and all necessary hardware
- Hitch ball sold separately - requires 1-1/4" diameter shank
- Made in the USA
Specs:
- Tongue weight: 200 lbs - 600 lbs
- Gross towing weight: 10,000 lbs
- Fits: 2" x 2" trailer hitch receivers rated for use with weight-distribution systems
- Trailer frame width cannot exceed 2-1/2"
- Hanger positioning: mount about 20" - 27" back from hitch ball
- Shank length: 14" from center of hitch pin hole to center of ball hole
- Total height adjustment along shank: 5-1/4"
- Maximum rise: 6-1/2" from top of hitch receiver opening
- Maximum drop: 1-1/4" from top of hitch receiver opening
- Limited lifetime warranty
| Included w/ RP66151 | Required - Sold Separately | Optional Add-Ons |
|---|
- Adjustable Shank
- System Head
- Sway-Control Brackets
- Spring Bars
| - Hitch Ball w/ 1-1/4" Diameter Shank
| n/a |

Create a stable ride for your tow vehicle and trailer with a weight-distribution hitch. Adding spring bars to your towing system applies leverage, which transfers the load that is pushing down on the rear of your vehicle to all the axles on both your tow vehicle and your trailer, resulting in an even distribution of weight throughout. The result is a smooth, level ride, as well as the ability to tow the maximum capacity of your hitch.
Selecting a Weight-Distribution System
The tongue weight rating is the most important factor in determining which size weight-distribution system you should use. If the bars of the system you choose are rated too high for your setup, they will create a rigid ride, which can result in a bouncing trailer. If, on the other hand, the bars are not rated high enough, the system will be unable to properly distribute the weight, rendering it virtually useless.
To determine the proper weight rating for a weight-distribution system, you must first determine your trailer's tongue weight. Then add to that the weight of the cargo behind the rear axle of your tow vehicle. These two measurements make up the tongue weight rating for a weight-distribution system.

Unique Features of Reese SC Weight Distribution
The easy-to-use, serrated washers on the Reese system make adjusting the tilt of the weight-distribution head a snap. This is a huge improvement over the standard pin-and-washer method, which involves piling washers - one on top of another - onto a difficult-to-access pin. The serrated-washer system lets you easily loosen, adjust and tighten a single washer and nut on either side of the head for simple, secure positioning.
The trunnion spring bars of this system slide into the weight-distribution head for quick, easy installation. With a tapered design and hot rolled steel construction, these bars offer superior flex, ensuring a smooth, controlled ride for both your tow vehicle and your trailer.
Friction Sway Control
The integrated friction-style sway control on the Reese SC system reduces trailer sway caused by winds, winding roads and sudden maneuvers. As soon as your trailer begins to move out of line, the friction material that lines the bottoms of the hangers creates just enough resistance with the shifting spring bars to prevent any further side-to-side movement. In addition, these unique platform-style brackets make installation a snap. The included lift handle lets you hook up the spring bars with limited use of your trailer jack in just four easy steps.

66151 Reese SC Weight Distribution Hitch with Hitch Bar
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Ask the Experts about this Reese Weight Distribution
Do you have a question about this Weight Distribution?
- Can a Reese SC Weight Distribution System be Used on a Boat Trailer with Surge Brakes
- The Reese SC weight distribution system is a great choice for your 2007 Nissan Titan and also for your trailer with surge brakes. The traditional chain style weight distribution bars pose a problem for surge brakes, but not these system with the friction hangers.
If your tongue weight is under 800 pounds, I would recommend part # RP66153. It has enough gross trailer capacity and includes a shank.
If your tongue weight is more than 800 pounds, you will need to go with a heavier system like
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- Installation Issues with Reese SC Weight Distributing Kit # RP66151 and 3 Inch Trailer Frame
- The High Performance Reese SC Weight Distribution System, 600 lbs. TW / 10,000 lbs. GTW, item # RP66151, installation kits that we have in stock at this time have the proper mounting brackets for your 3 inch trailer frame. I spoke with my contact at Reese and he said that they could change back to the heavier style bracket if they run out of the smaller ones but that at this time they are shipping the brackets that will accommodate the 3 inch frame. If by some chance you did receive the brackets
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- Correct Ball Size for Reese 66151 Weight Distribution Hitch
- The High Performance Reese SC Weight Distribution System, item # RP66151, is designed to use a medium shank hitch ball with a length between 2-5/8 inches and 2-3/4 inches. I have listed 3 recommended balls below.
Hitch Ball with 2-5/16 Inch Diameter and Medium Shank, 12,000 lbs GTW # 19286
Hitch Ball with 2 Inch Diameter and Medium Shank, 8,000 lbs GTW # A-90
Hitch Ball with 2-5/16 Inch Diameter and Medium Shank, 14,000 lbs GTW # 63836
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- What is included with the Reese Pro Series SC Weight Distribution Kit
- With the SC Weight Distribution Kit, item # RP66151, you will get the shank weight distribution head, bolts, washers, spring bars, and mounting brackets to install the complete weight distribution system. All you would need to complete the setup would be a properly sized hitch ball with a 1-1/4 inch shank. Some of the recommended hitch balls are the 2 inch Diameter and Medium Shank Hitch Ball, item # A-90, and the 2-5/16 inch Diameter and Medium Shank Hitch Ball, item # 19286.
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- Which Weight Distribution and Sway Control System Should I use on a 2007 Toyota Tundra
- To have a nice, easy number to work with we will use 9,000 pounds for the loaded trailer weight and we will approximate a 900 pound tongue weight. This being the case, the best fit for you would be Reese Round Bar Strait-Line with Sway Control, part # RP66088. It has a maximum trailer weight of 12,000 pounds and maximum tongue weight of 1,200 pounds. It is strong enough that it will allow for extra cargo in the trailer, but not so strong that it will cause a rough ride.
It also has the Reese
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- Spring Bar Length on the Pro Series Weight Distribution Kit for Mounting On TrailManor 1811 Trailer
- The bars in the Pro Series Trunnion Style Weight Distribution Kit with Shank, 600 lbs. TW / 10,000 lbs. GTW, item # 49585, are 31 inches overall length and 29 inches from the center of the trunnion to the center of the U-Bolt holes, for mounting the chains to the spring bar. The tip up brackets can be adjusted forward and back somewhat but having the chains in the most vertical or plumb position possible is best.
You may want to consider the High Performance Reese SC Weight Distribution Syste
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- Replacement Friction Pads for the High Performance Reese SC Weight Distribution System
- We have the Replacement Pad Hanger for Reese SC Weight Distribution Systems, item # 58350, to replace the friction pads on your setup.
I would also do some checking to see if there is a cause for the wear of the pads in such a short period of time. If you have the pad hangers adjusted farther back than 27 inches the holes in the ends of the spring bars can cause excessive wear. The normal adjustment range is 18 to 27 inches for the pad hangers. You should also make sure that there is no debri
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- Weight Distribution with Sway Control System for a 18 Foot Trailer with 350 Pound Tongue Weight
- I would recommend the Reese Strait-Line Hitch 600 lbs TW / 12,000 lbs GTW, item # RP66072, for the trailer and tongue weights you have mentioned. Along with this system you will need a Weight Distributing Shank, and a properly sized hitch ball. I have listed a few options below for you. The weight distribution shank will allow you to position the ball at the height needed and once the initial adjustment is made you will not have to readjust unless the tongue weight or trailer weight changes sign
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- Size of Bracket Hangers Included with the Reese High Performance WD SC # 66151
- The Reese High Performance WD SC, # RP66151, comes with the brackets you mentioned. The pictures on that product page are of a system with 1200 pound spring bars. I am sorry for any confusion. The brackets can be mounted on your aluminum frame. The bracket does not need to be tightened excessively. Just follow the directions (see link) for the 600 and 800 pound spring bars and you will be fine. Most of the weight on the weight distribution system is downward force. The Reese SC Replacement Frame
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- Weight Distribution Recommendation for 2005 Toyota Sequoia Towing 1994 Mallard 4,500 Pound Trailer
- For your 2005 Toyota Sequoia towing a 24 foot travel trailer, I recommend the High Performance Reese SC Weight Distribution System with Shank, # RP66151. The RP66151 has a tongue weight capacity up to 600 pounds and it can handle up to 10,000 pounds of gross trailer weight. I looked up your trailer and found it to weigh around 4,500 pounds, so this system will work for your needs. I have included a link to the instructions below.
This system comes with the shank but not a ball. The weight dis
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- Spring Bar Noise When Backing and Turning at Slow Speed with the HP SC Weight Distribution System
- Experiencing loud noises when backing with the Reese High Performance SC Weight Distribution System, item # RP66151, is not normal. Some noise is to be expected since, when maneuvering, the spring bars must slide on the spring bar friction pads.
First, I would recommend greasing your hitch ball and trunnion ends. Second, I would recommend cleaning the friction pads with brake cleaner. Finally, I would check the amount of tension on the spring bars and readjust the system following the manufa
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- Using a Weight Distribution System and Sway Control on a Pole Tongue Boat Trailer with Surge Brakes
- Yes, weight distribution systems can be used with boat trailers like this and yes you will need an adapter. The adapter for the Reese High Performance SC Weight Distribution system is part # RP58393. I would recommend using the part # RP66151 system that you have referenced. I have included a link to the instructions for this system below. There is a friction sway control system incorporated with both of the WD systems referenced
You cannot use a traditional chain style weight distribution sy
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- Weight Distribution with Sway Control for a 2005 GMC Envoy Towing a Double Axle Cargo Trailer
- For your 2005 GMC Envoy and new trailer, the High Performance Reese SC Weight Distribution System with Shank, # RP66151, is a good choice if you can keep the tongue weight under 600 pounds with the trailer fully loaded and ready to tow. Since you are looking at towing around 5,000 pounds, you will probably want to go with a higher capacity system.
I recommend going with High Performance Reese SC Weight Distribution System with Shank, # RP66153. This system has a tongue weight capacity of 400
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- What Weight Distribution System Will Work On Toyota 4Runner Towing A Fleetwood Camper
- The weight distribution system you will need will depend on the tongue weight of your trailer fully loaded. The tongue weight is 10 to 15 percent of the trailer weight.
If the tongue weight capacity on your weight distribution system is too high than it will cause a very stiff ride. If the tongue weight is too low it will cause the weight distribution system to be ineffective.
The Reese Weight Distribution 350 Mini, # RP66041, is designed for tongue weights of 100 to 350 lbs. and a maximu
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- Weight Distribution with Sway Control Recommendation, 1998 Chevy Astro Towing 3,000 Pound Trailer
- If your 1998 Chevy Astro has a 2 inch trailer hitch receiver rated for use with weight distribution, then you will be able to use a weight distribution system. To choose the correct sized system, you will need one that has a tongue weight capacity range that encompasses your trailer tongue weight loaded and ready to tow. Trailer tongue weight should be between 10 and 15 percent of the gross trailer weight.
Going by the 3,000 pound weight you have provided, I recommend a system with a range of
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- What Would Cause Weight Distribution Spring Bar To Come Off On 2009 Ford Explorer XLT
- When backing the trailer and turning very sharply with the Reese SC Weight Distribution System w/Sway Control, part # RP66151, on your 2009 Ford Explorer XLT, the spring bar could come loose especially if the spring bars are not very tight.
You should review your set-up instructions and make sure the attachment is correct. I am including a link to the installation instructions on the Reese weight distribution system. I would also recommend that when you are maneuvering in tight situations tha
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- Weight Distribution Recommendation for a 2011 Toyota Tundra Towing a 3,000 Pound Trailer
- Using weight distribution is recommended when the trailer exceeds 50 percent of the towing vehicle weight, when there is a problem with trailer sway, or if the rear of the vehicle is sagging with the trailer attached. Your truck weighs in at about 5,600 pounds so with your trailer loaded at 3,000 pounds gross, weight distribution would be a good idea.
Adding a system would only help with tracking and ride quality, so it would be a good idea to add one. I recommend a small system with a 200 to
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- Is the Ball Mount and Shank Included with the Reese SC Weight Distribution System # RP66151
- The weight distribution shank and weight distribution head are included with the Reese SC Weight Distribution System w Sway Control, item # RP66151, that you selected. The only item you will need to complete the installation is a properly sized hitch ball to match the coupler on your trailer.
If your trailer has a 2-5/16 inch coupler you will need the Hitch Ball with 2-5/16 inch Diameter and Medium Shank, 12,000 lbs GTW, item # 19286. If your trailer has a 2 inch coupler you will need the Hit
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- Weight Distribution System Recommendation, 2007 Keystone Springdale 189FL and 2006 Toyota Sequoia
- According to the research I did, the 2007 Keystone Springdale 189FL had a dry weight of 4,185 pounds, a carrying capacity of 1,770 pounds, and a tongue weight of 455 pounds. If the trailer were loaded to capacity, it would weigh in at about 6,000 pounds. Since tongue weight should be between 10 and 15 percent of the gross trailer weight, that would put the tongue weight at a range of 600 to 900 pounds.
When choosing a weight distribution system, you will want one that has a tongue weight capa
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- Can Additional Sway Control Be Added to a Weight Distribution System with Friction Sway Control
- Since the Reese SC Weight Distribution System, # RP66151, already has friction sway control built in, adding additional sway control will not be necessary. It is possible to add a friction sway control bar, provided there is room enough on the trailer frame for it and it does not interfere with the spring bars.
Too much sway control can result in damage to the weight distribution system and you would have to remove it when backing up and making tight maneuvers. I have included a link to our F
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