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  1. Weight Distribution Hitch
  2. Reese
  3. 600 lbs
  4. 700 lbs
  5. Fits 2 Inch Hitch
  6. WD Only
Reese Weight Distribution System w/ Shank - Trunnion Bar - 8,000 lbs GTW, 800 lbs TW
Reese

Reese Weight Distribution System w/ Shank - Trunnion Bar - 8,000 lbs GTW, 800 lbs TW

Part Number: RP66541
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$588.98
Retail:$932.13
You Save: $343.15
Weight Distribution Hitch
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Restore stability and control in your ride so you can tow to the max capacity of your hitch. Easy to upgrade with Reese's dual-cam sway control (sold separately). Hitch ball sold separately. Great Prices for the best weight distribution hitch from Reese. Reese Weight Distribution System w/ Shank - Trunnion Bar - 8,000 lbs GTW, 800 lbs TW part number RP66541 can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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Reese Weight Distribution Hitch - RP66541

  • 600 lbs
  • 700 lbs
  • Fits 2 Inch Hitch
  • WD Only
  • Reese
  • Includes Shank
  • No Sway
  • Electric Brake Compatible

Restore stability and control in your ride so you can tow to the max capacity of your hitch. Easy to upgrade with Reese's dual-cam sway control (sold separately). Hitch ball sold separately.


Features:

  • Evenly spreads out your tongue weight among all the axles of your tow vehicle and trailer
    • Levels out your ride to restore control and stability
    • Lets you tow to the max capacity of your hitch
  • Built to be easily upgraded for sway control
    • Works with Strait-Line dual-cam sway control (RP26002 - sold separately)
    • Add on an optional bar-style friction sway control kit (83660 - sold separately)
  • Designed for fast, easy installation and setup
    • Serrated washers let you dial in the tension without having to take the head apart
    • No need for a raised hitch ball - raised platform forged into head
    • Includes head assembly, lift brackets, trunnion spring bars, lift chains, and all necessary hardware
      • Trailer hitch ball with 1-1/4" diameter threaded shank sold separately


    Specs:

    • Fits: 2" x 2" trailer hitch receivers rated for use with weight-distribution systems
    • Tongue weight: 450 lbs - 800 lbs
    • Gross towing weight: 8,000 lbs
    • Lift-bracket positioning: mount about 30" back from hitch ball
      • Requires approximately 5-1/2" of space along trailer frame
      • Fits trailer frames up to 2-1/2" wide
    • 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/ RP66541 Required - Sold Separately Optional Add-Ons
    • Adjustable Shank
    • System Head
    • Lift Brackets
    • Spring Bars
    • Hitch Ball w/ 1-1/4" Diameter Shank
    • Dual-Cam Sway Control
    • Bar-Style Friction Sway Control

    Pro Tip: Before you invest in a weight distribution hitch, make sure your cargo is evenly loaded in your trailer to keep the weight balanced. If you still have a hard time even after balancing your tongue weight, a weight distribution hitch should help.


    Easy to Upgrade to Active Sway Control

    Easily upgrade this weight distribution hitch with the Reese Strait-Line dual-cam sway control

    • This system doesn't control sway out of the box - but you can remedy that later on
    • The bars are specifically made to work with Reese's premium Strait-Line sway control system
      • Just add on the dual cams and get better control when cornering, swerving, and dealing with wind
      • Great sway control, but can get pretty noisy when you make turns
    • For a more economical option, you can add a bar-style friction sway control to either side of your trailer (or both sides, if you have a really long trailer)
      • Uses friction to force your trailer back in line when it gets pushed off course
      • Has to be removed at times (e.g. in the rain or when you're backing up), but its adjustable tension is a plus

    Note: Neither of these sway control systems will work with surge-type actuators.


    People often conflate sway control with weight distribution. It's understandable because most weight distribution systems on the market today do solve issues with sway.


    This system will give you weight distribution only. It doesn't have any sway control built in. But if you find that you need sway control later, it's super-easy to upgrade to Reese's Strait-Line sway control system by adding on the dual-cam brackets (RP26002 - sold separately).


    Get the Full Setup: If sway control is something you need right now to keep your trailer from getting squirrelly, take a look at RP66074 for a complete Strait-Line system.


    A view of a Reese Strait-Line weight distribution system shows the flexing of the bars under weight.

    Alternatively, you can add a friction sway bar (sold separately) for a little more reinforcement. This option allows you to easily dial in the amount of tension with the turn of a handle. This adjustability is nice (even if it takes you a few trips to get it just right), but it doesn't play well with surge-type actuators (neither does the Strait-Line dual cam system), and it will have to be removed when backing up any time you tow on wet or slippery roads.


    Simple Setup with Serrated Washers

    A top-down view of the Reese weight distribution hitch shows the design of the head and serrated washer feature

    • No more piling on washers
    • Exterior, serrated washers let you adjust the head without having to take everything apart

    The easy-to-use, serrated washers on this 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 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.


    Why Use a Weight Distribution Hitch?

    Diagram showing weight distribution on a truck and towing a camper

    • Prevents uneven tire wear on your vehicle and trailer
    • Keeps the rear of your tow vehicle from sagging
    • Lets you tow to the max capacity of your trailer hitch
    • Stops your headlights from pointing up at the sky
    • Gives you control over steering your rig

    Selecting the Right Weight Distribution System

    • Think "Goldilocks"
      • If you go for overbuilt, you'll have a rigid ride
      • If it's not strong enough, it's virtually useless
    • Let your tongue weight be your guide

    Your tongue weight is the first thing you need to know when figuring out which weight distribution system you need. Most people think that if they get the highest-rated system possible, it'll be smooth sailing. But actually, this will create a rigid ride and a bouncing trailer. On the other hand, if the system isn't strong enough, it won't be able to distribute the weight properly, making it virtually useless.


    Once you know your trailer's tongue weight, add it to the weight of the cargo behind the rear axle of your tow vehicle. Then just choose a weight distribution system rated for that combined tongue weight.



    66541 Reese Trunnion Bar Weight Distribution Hitch with Hitch Bar - 8,000 lbs

    Installation Details RP66541 Installation instructions


    California residents: click here


    Customer Satisfaction Score:


    Customer Reviews

    Reese Weight Distribution System w/ Shank - Trunnion Bar - 8,000 lbs GTW, 800 lbs TW - RP66541

    Average Customer Rating:  4.7 out of 5 stars   (73 Customer Reviews)

    Restore stability and control in your ride so you can tow to the max capacity of your hitch. Easy to upgrade with Reese's dual-cam sway control (sold separately). Hitch ball sold separately.

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    PROMPT FAST SERVICE



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    Good price, fast free shipping



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    works great



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    I just received a reese weight dist system and works great good quaility heavy metal wood recamend at a good price



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    Just installed looks like it will do the job.



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    Easy to follow directions for a first time user.



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    Item arrived in a severely damaged box with evidence that it had been shipped multiple times before. Most of the powder coated items inside were not wrapped and sustained damage in shipment. Damage being Powder Coated finish chipped off.



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    Product came in with no problem packaged perfect on time also thank you will buy from your place again



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    works as designed



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    The best: website, service, S&H time, videos and product was exactly as needed. Thanks


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    Show More Reviews

    See what our Experts say about this Reese Weight Distribution Hitch

    • Weight Distribution System Recommendation for Pole Tongue Trailer that Weighs 5,400 lbs
      The best way to pick out a weight distribution system is to base it off of the loaded tongue weight of the setup when it is loaded and ready to tow. This figure also includes the weight of any cargo behind the rear axle of the tow vehicle. I attached a help article on determining tongue weight for you to check out as well. You will want the loaded tongue weight of your setup to fall right in the middle of the tongue weight range of the system you use. A system like this can be used with...
      view full answer...
    • Can 2007 Dodge Ram Use Weight Distribution System
      Yes, the factory hitch of your 2007 Dodge Ram can be used with a weight distribution systems like the Blue Ox part # BXW0750 that you referenced. The best way to pick out a weight distribution system is to base it off of the loaded tongue weight of the setup when it is loaded and ready to tow. This figure also includes the weight of any cargo behind the rear axle of the tow vehicle. I attached a help article on determining tongue weight for you to check out as well. You will want the...
      view full answer...
    • Weight Distribution Recommendation for 2021 Forest River Surveyor Legen 240BHLE
      For your 2021 Forest River Surveyor Legen 240BHLE the best weight distribution with sway control is the Reese Strait Line part # RP66083 which has a tongue weight range of 400-800 lbs and features the only sway control that works to fight sway before it starts.
      view full answer...
    • Weight Distribution System Recommendation for Trailer with Loaded Tongue Weight of 550 lbs
      You asked a lot of great questions, but let's first start with picking out the correct system based on the loaded tongue weight you listed. Keep in mind that the weight of any cargo behind the rear axle of your tow vehicle needs to be counted as tongue weight too. That being said, the weight of the WD system does not count as tongue weight. The Reese system part # RP66153 has a tongue weight range of 400 lbs to 800 lbs and would work well for you. Also the reason I recommended it is because...
      view full answer...
    • Strait Line Weight Distribution Recommendation for Travel Trailer with 560 lb Dry Tongue Weight
      I'd recommend the next higher Strait Line part # RP66083 which has a tongue weight range of 400-800 lbs. Your dry tongue weight of 560 lbs is about at the top of the range of the # RP66082 which is 200-600. By the time your trailer would be loaded you'd be over the capacity and the system would be basically ineffective. Ideally you want the loaded tongue weight of the towing setup to fall right into the middle of the range of the system. Keep in mind that the weight of any cargo behind...
      view full answer...
    • Recommended Parts for Towing a Starcraft Antigua Trailer with a 2004 Chevrolet Trailblazer
      The weight distribution you were looking at, part # RP66541, will carry over to a new F-150. You may need to get a different height shank or adjust head angle or spring bar tension, but everything else will be able to be used. Does the owner manual state the vehicle has different capacities with a weight distribution system? Some vehicles have two ratings listed in their owner manual. If the manual states different figures for weight distribution, please write back and let me know. If...
      view full answer...
    • What Style Of Weight Distribution System Has Better Ground Clearance?
      A weight distribution system that has the trunnion bars will definitely offer more ground clearance at the trailer coupler because the bars don't extend below the weight distribution head. The round rails do sit further below, but it all depends on what the tow tongue weight of the trailer is. The Reese Weight Distribution System w Shank - Round Bar - 10,000 lbs GTW, 800 lbs TW # RP67509 has a round bar setup. The Reese Weight Distribution System w Shank - Trunnion Bar - 8,000 lbs GTW,...
      view full answer...
    • What Is Combined Weight Of The Shank And Head Of Reese Weight Distribution System # RP66541
      The shank on the Reese Weight Distribution System, part # RP66541 weighs 15 lbs, and the head weighs 19 lbs, so the combined weight of these 2 items is 34 lbs.
      view full answer...
    • Trailer Hitch Extension and Weight Distribution for 2015 Ford F350 With Truck Bed Camper
      If your 2015 Ford F350 has the 2-1/2 inch hitch, you can use the Reese Titan # RP45292 Hitch Box Extension and Reducer. The extension is designed so that it can either be used in its 34 inch configuration or be cut down to 24 inches in length, which is perfect for your needs. When cut down to 24 inches, the extender has a 6000 lb towing capacity or if used with a weight distribution system, the capacity increases to 8000 lbs which would work well. If your truck has a 2 inch hitch, replacing...
      view full answer...
    • Weight Distribution System Recommendation for a Travel Trailer that Weighs 3,750 lbs Dry
      The best way to pick out a weight distribution system is to base it off of the loaded tongue weight of the setup when it is loaded and ready to tow. This figure also includes the weight of any cargo behind the rear axle of the tow vehicle. I attached a help article on determining tongue weight for you to check out as well. You will want the loaded tongue weight of your setup to fall right in the middle of the tongue weight range of the system you use. If your trailer loaded and ready...
      view full answer...
    • Do the Links of a Weight Distribution System Represent Tongue Weight
      The individual links on a weight distribution system like the # RP66541 do not represent different tongue weight values. It really just comes down to following the setup procedure that is outlined in the install instructions which are attached which basically comes down to using enough spring bar tension to allow the tow vehicle to sit level. It is not required to know the tongue weight beyond making sure the system you pick out has correct range for the tongue weight of the trailer when...
      view full answer...
    • Can 36 TorkLift Cannon Hitch Extension For 3 Inch Ford Hitch Tow 6,500 lb Boat & Trailer
      Yes it will, so long as you also use weight distribution, as the extension has a maximum capacity of 3,600 lbs towing/360 lbs tongue weight without weight distribution, but 7,200 lbs towing/720 lb tongue weight when used with weight distribution. Assuming 6,500 lbs is the combined weight of your boat and trailer, here is exactly what you will need: - TorkLift Cannon Hitch Extension - 3" Ford Super Duty Factory Hitch - 36" Long # TLE1636 - TorkLift Wiring Harness Extension # TLW6036 -...
      view full answer...
    • Will New 1,200 Pound Reese Spring Bars Fit a 5-Year-Old Reese Weight Distribution System
      The system that you bought from us 5 years ago was # RP66541 and it is still the same now as it was then! This means that you can replace your 800 pound spring bars with the 1,200 pound bars. For a single bar it is # RP66009. You would need 2 of them total.
      view full answer...
    • Weight Distribution Recommendation for 2014 Ram 1500 Towing 5,700 lb Trailer
      Anytime the weight of the trailer is more than 50 percent of the weight of the tow vehicle a weight distribution system will be a great idea. You are at that figure easily so you would benefit from using a WD system. The best way to pick out a weight distribution system is to base it off of the loaded tongue weight of the setup when it is loaded and ready to tow. This figure also includes the weight of any cargo behind the rear axle of the tow vehicle. I attached a help article on determining...
      view full answer...
    • How to Pick Out a Weight Distribution System for a 2012 Toyota 4Runner
      Weight distribution systems aren't vehicle specific so we don't list them in our vehicle fitguides. I am not sure what pages you found, but I suspect you found regular trailer hitches confirmed to fit your 2012 Toyota 4Runner like the part # 13534 made by Curt. If that is what you are looking for that hitch would fit and would work well. I attached an install video for this hitch on a 2012 Toyota 4Runner just like yours. The best way to pick out a weight distribution system is to base...
      view full answer...
    • When Is Weight Distribution Recommended
      If the trailer you plan on towing weighs more than half of the weight of the tow vehicle we recommend the use of weight distribution. The best way to pick out a weight distribution system is to base it off of the loaded tongue weight of the setup. You should note that the weight of any cargo behind the rear axle of your vehicle should be considered tongue weight as well. I attached an FAQ on determining tongue weight for you to check out. Once you determine you tongue weight you can check...
      view full answer...
    • Can Weight Distribution be Used on a Trailer with a C-Channel Frame
      As long as the opening of the C-Channel is on the inboard sides of the frame then you can use a chain hanging weight distribution system whether it is round bar or trunnion bar. To choose a weight distribution system you will need to go by the total tongue weight of the set up. This is calculated by taking the tongue weight of the trailer, when loaded and ready to tow, and adding to that the weight of anything loaded behind the rear axle of the tow vehicle. If 550 pounds is the total...
      view full answer...
    • Trailer Hitch Extension for Use Behind a Truck Bed Camper
      I have two options that will allow for you to extend the connection point between your truck and trailer. The best option for you will depending on the gross trailer weight (GTW) and tongue weight (TW) of your trailer. As long as the GTW and TW of your trailer does not exceed 5,000 lbs and 500 lbs respectively, the Titan Hitch Box Extension part # RP45018 will work well for you as long as you trim the bar down to 41". If the GTW and TW of your trailer exceeds the above 5,000lb/500lb rating...
      view full answer...
    • Can Grease be Used on Reese Weight Distribution with Trunnion Bars
      Yes, you can use grease with a Reese trunnion-style weight distribution system like # RP66541. The updated instructions, which are essentially the same as what you stated, does have a difference that answers your question. I cut out and highlighted the part which states "Use a heavy oil or grease."
      view full answer...
      Image 1 for
    • Could the Curt Hitch part # C13352 Tow a Camper that Weighs 6500 lbs
      If you use a weight distribution system yes the Curt Hitch part # C13352 would work for you since it has a 10k capacity with a WD system and only 6k without. The best way to pick out a weight distribution system is to base it off of the loaded tongue weight of the setup when it is loaded and ready to tow, this figure also includes the weight of any cargo behind the rear axle of the tow vehicle. I attached an FAQ on determining tongue weight for you to check out as well. Typically tongue...
      view full answer...
    • Weight Distribution Recommendation for Towing Trailer that Weighs 5,500 lbs When Loaded
      The best way to pick out a weight distribution system is to base it off of the loaded tongue weight of the setup when it is loaded and ready to tow. This figure also includes the weight of any cargo behind the rear axle of the tow vehicle. I attached a help article on determining tongue weight for you to check out as well. You will want the loaded tongue weight of your setup to fall right in the middle of the tongue weight range of the system you use. So with the loaded trailer weight...
      view full answer...
    • How to Pick Out Weight Distribution for a Dry Tongue Weight of 455 lbs
      The best way to pick out a weight distribution system is to base it off of the loaded tongue weight of the setup when it is loaded and ready to tow. This figure also includes the weight of any cargo behind the rear axle of the tow vehicle. I attached a help article on determining tongue weight for you to check out as well. You will want the loaded tongue weight of your setup to fall right in the middle of the tongue weight range of the system you use. Once you know your tongue weight...
      view full answer...
    • How to Pick Out Weight Distribution System for Horse Trailer that Will have Varying Tongue Weights
      You are on the right track. You want to pick a weight distribution system that the tongue weight range of your trailer will fall right into the middle of. The amount of chain links on a system like the # RP66541 is how the spring tension is adjusted. This system has a range of 400 to 800 lbs of tongue weight and would have a pretty good chance of covering all of your tongue weight range. You will need to confirm this first though. I attached an FAQ article on determining tongue weight...
      view full answer...
    • Correct Weight Distribution System for R-pod I80 With 500 lbs Tongue Weight
      Crazy might be a bit extreme, but the answer is you will not want to use the Curt Weight Distribution System # C24UR with your trailer. This system is rated for use with a total tongue weight (the tongue weight of your loaded R-pod 180 plus the weight of any cargo behind the rear axle of your 2015 Ford F-150) of 800 lbs - 1,000 lbs. That means essentially it will be like you aren't using a weight distribution system at all. As long as your total tongue weight is 500 lbs I recommend checking...
      view full answer...


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    Info for this part was:

    Employee Mike L
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    Employee Lindsey S
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    Video Edited:
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