Reese Weight Distribution Hitch
- RP66558
- 500 lbs
- Fits 2 Inch Hitch
- WD With Sway Control
- Allows Backing Up
- Includes Shank
- Reese
- Prevents Sway
- Electric Brake Compatible
- Surge Brake Compatible
- 4-Point
Friction in brackets and in head works to prevent and correct trailer sway. Chainless brackets with automotive-style friction pads hold spring bars firmly in place to help keep trailer in line with your 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
- Integrated sway control limits side-to-side movement of trailer
- Brackets keep spring bars in place for a rigid system that holds your trailer in line
- No lift chains - eliminates unwanted movement of spring bars
- Automotive-grade friction material lines brackets to help correct any sway that may occur due to winds, curvy roads, or sudden maneuvers
- System head provides frictional resistance to limit movement of spring bars
- 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 head tilt is achieved with traditional washer design
- Add or remove washers from spacer rivet to tilt head up or down
- No-drill, clamp-on brackets can adjust along the trailer frame to accommodate frame-mounted items such as gas tanks, toolboxes or generators
- Included lift handle eases installation by reducing lifting required by trailer jack
- Steel shank has corrosion-resistant powder coat
- System includes head assembly, adjustable shank, trunnion spring bars, sway control brackets, lift handle, pin and clip, and all necessary hardware
- Hitch ball sold separately - requires 1" diameter shank
Specs:
- Tongue weight: 400 lbs - 600 lbs
- Gross towing weight: 6,000 lbs
- Fits: 2" x 2" trailer hitch receivers rated for use with weight distribution systems
- Maximum trailer frame height: 6"
- Sway control bracket positioning: 25" - 32" back from center of coupler
- Shank length:
- 7-3/4" From center of hitch pin hole to center of adjustment holes
- 8-3/4" From center of hitch pin hole to front of shank
- 6-3/4" From center of hitch pin hole to back of shank
- 12" Overall
- Total height adjustment along shank: 7-1/2"
- Maximum rise: 7-5/8"
- Maximum drop: 2-7/8"
- Overall height: 8-3/4"
- Holes are spaced 1-1/4" apart on center
- Limited lifetime warranty
| Included w/ System | Required - Sold Separately | Optional Add-Ons |
|---|
- Adjustable Shank
- System Head
- 2 Sway Control Brackets
- 2 Spring Bars
- Lift Bar
- Hitch Pin and Clip
- Necessary Installation Hardware
| - Hitch Ball w/ 1" Diameter Shank
| n/a |
![Weight Distributing Hitch]()
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.
Integrated Dependent Sway Control
The Steadi-Flex weight distribution system works to stop trailer sway before it begins. This is achieved in 2 ways. First, the system head is designed to firmly hold the spring bars in place to provide tight resistance and help ensure that your trailer tracks behind your vehicle. Second, the spring bar brackets that mount on your trailer's frame produce friction with the bars whenever any side-to-side motion occurs. This keeps the bars from moving, also helping to hold your trailer in a straight line.
System Head with Steel-on-Steel Friction
![System Head]()
The head of the Steadi-Flex system firmly holds the spring bars in place at the hitch point. This tight hold helps to keep the bars from moving, which in turn helps to ensure that the trailer is held firmly in place behind your vehicle. If any sway or side-to-side movement does occur, the spring bars will move only slightly inside of the system's head. This steel-on-steel contact produces frictional resistance to limit further side-to-side motion of the bars, limiting the motion of your trailer in the process. The Steadi-Flex head is wider than most weight distribution heads. This design allows for greater surface area for the spring bars to move against. This makes it easier to produce the friction that resists sway.
Sway Control Brackets with Automotive-Grade Friction Material
![Friction Material Brackets]()
The spring bars attach to the trailer frame with fixed, sturdy steel brackets. They sit on top of the brackets instead of being suspended by chains like the bars that are on traditional weight distribution systems. Chain suspensions typically allow a good deal of side-to-side play in the system. Because the Steadi-Flex has brackets in place of chains, that unwanted movement of the spring bars is eliminated. This helps to keep your trailer in line behind your vehicle. In addition, these brackets create friction to limit any side-to-side movement that may occur. When each spring bar on the Steadi-Flex system moves within the bracket, it rubs along the surface of the bracket, creating friction. This resistance limits the movement of the spring bar, thus preventing further side-to-side movement of the trailer.
Most systems with sway control brackets use bare steel brackets to create friction with the steel bars. Steel-on-steel friction typically causes a much louder ride, and it can result in wear and tear on the brackets themselves. The Steadi-Flex brackets, on the other hand, are lined with automotive-grade friction material. This material is more abrasive than bare steel, which allows more friction to build up faster and easier. The long-lasting friction material also reduces the banging noise created by the bars hitting the inside of the steel brackets. This provides a quieter ride while towing.
Fast, Easy Installation
The Steadi-Flex system is easy to install and set up. On the trailer side, simply clamp the spring bar brackets around your trailer's frame. Then prepare your vehicle by sliding the included shank into your 2" x 2" hitch receiver, and bolt on the head. The system head can be easily adjusted to achieve the proper angle and optimum leverage for your specific setup. No drilling is required to install this weight distribution system.
Head Tilt Adjustment
The Steadi-Flex system uses the traditional washer-style adjustment method to achieve the perfect tilt. Controlling the head tilt helps you to fine-tune the leverage and maximize the amount of tension in the whole system. To adjust the tilt, simply slide washers onto the adjustment pin and insert the pin into the head assembly. To increase the angle, add a washer. To reduce the angle, remove a washer.
Tapered Spring Bars
![Spring Bars]()
The spring bars of the Steadi-Flex 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 to evenly distribute the weight between your tow vehicle and your trailer.
The bars easily pin into place inside the system head - no need to torque or re-torque any trunnion bolts to adjust the tension. With fewer parts to manage, installing and maintaining the Steadi-Flex is simple.
Adjustable, Clamp-On Brackets
![Adjustable Brackets]()
The spring bar brackets simply clamp around your trailer's frame - no drilling required. These brackets are designed to be positioned 27" to 32" back from your coupler and they can fit a wide range of frame sizes and can even be used on a trailer with a bottom-mounted coupler.
While other brackets use relatively thin L-pins to secure the spring bars in place on the brackets, the Steadi-Flex system uses steel pieces that are almost as wide as the brackets themselves to secure the bars. These retention brackets easily pin into place once wrapped around the spring bars. As a result, you can have greater piece of mind knowing that the spring bars are secure and less likely to rattle around inside of the brackets.
66558 Reese Steady Flex Light Duty Weight Distribution System with Sway Control - 6,000 lbs GTW, 600 lbs TW
Installation Details 
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