1. Home
  2. Hitch & Tow
  3. Tow Bars & Accessories
  4. Sterling All Terrain Tow Bars
  5. Sterling All Terrain Tow Bar, 6,000 lbs., 6-Wire
Sterling All Terrain Tow Bar, 6,000 lbs., 6-Wire
Sterling All Terrain Tow Bar, 6,000 lbs., 6-Wire

Sterling All Terrain Tow Bar, 6,000 lbs., 6-Wire

Write a Review
Your Price: $1,192.50
Retail Price:$1,601.19
Your Savings:$408.69(26%)
Part Number: 146276
Availability: For Sale
Feature 5 27.5

Send to:

*We'll ask for shipping info at checkout

Roadmaster Tow Bar Sterling Class IV 8000 Pound Towing Capacity

Lightweight and rustproof aluminum tow bar comes with cables and wiring. 

Hassle-free latches let you easily release your car, even at a hard angle or on unlevel ground. 

Large hookup radius makes connecting a snap. 

Easily folds up to store on your RV.

Installation Instructions:



  • Tow bar lets you tow your vehicle safely and securely behind your motor home
    • Slides into trailer hitch receiver on RV - no ball mount necessary
  • Non-binding design allows you to release your vehicle at any time, anywhere - even on unlevel ground
  • Large hookup radius makes connecting a breeze at any angle, even if your vehicle isn't perfectly lined up with your RV
  • Self-aligning design - just hook up and drive RV forward
    • Arms extend into rigid, tow-ready position and automatically lock in place
  • Extra-long telescoping arms allow for better maneuverability and easier towing
    • Stainless steel construction of inner arms allows for smooth operation
  • Strong, corrosion-resistant tow bar is built to last
    • FEA testing guarantees a strong finished product
    • Self-lubricated nylon bushings eliminate friction between the inner and outer arms for a longer-lasting, better-functioning system
    • Eggshell-like structure allows stress to be evenly distributed for maximum strength
    • Lightweight, aircraft-grade aluminum body is durable and rustproof
    • Steel and stainless steel are built in at critical points to maintain structural integrity
    • High-tech powder coat finish provides additional durability
  • Cable guides protect included wires and safety cables from getting damaged or tangled
    • Heavy-duty, stainless steel EZ Hook safety cables are fast and easy to connect
    • Electrical cord has silicone-injected 7-way RV-style plug on 1 end and 6-way plug on other end
      • 6-Way socket for towed car included
  • Simple, secure storage alongside motor home
    • Simply fold up the tow bar towards the RV and secure with the built-in storage latch
  • Fast, easy hookup and disconnect
    • EZ, Classic, and XL base plates use the included quick-disconnects
    • MX, MS, and EZ5 use the included pins and clips
  • Made in the USA


  • Compatibility: works with all Roadmaster vehicle-specific base plates
    • Can be adapted for use with Blue Ox base plates with the Roadmaster Tow Bar to Blue Ox Brackets Adapter (RM-031 - sold separately)
  • Application: 2" x 2" trailer hitch receivers
  • Arm length (from center of hitch pin hole to center of base pin hole when connected to car):
    • Extended: 50-1/2"
    • Retracted: 37-1/2"
  • Weight capacity: 8,000 lbs
  • Weight: 35 lbs
  • 1-Year limited warranty

***Note: If you use this tow bar with Roadmaster MX, MS, or EZ5 base plates, the included EZ Hook cables will not work. Standard safety cables (sold separately) will be required.

Necessities for Flat Towing

For the RVFor the Towed CarTo Link the Towed Car and RV
HitchBase platesTow bar
Wiring plugBraking systemSafety cables

Wiring kit/diodesWiring adapter cord

Superior Design for Sturdy, Lightweight Tow Bar

Egg Shaped Design

The unique, eggshell design of the Sterling All Terrain distributes stress evenly throughout its aluminum body, resulting in a lightweight yet durable tow bar. 

Critical points are made even stronger to allow for an 8,000-lb capacity. 

For example, the shank portion that slides into the hitch is constructed of steel to ensure that the tow bar can handle stress at this point. 

Stainless steel inner arms provide even more durability and strength.

Fast, Easy Hookup

This Roadmaster tow bar has a large hookup radius to ensure simple, secure hookup. 

What this means is that, even if your towed car is not perfectly aligned with your RV, you will still be able to make the necessary connections. 

To achieve this, the Sterling has stainless steel, telescopic inner arms that adjust independently. 

In addition, these arms are able to pivot in and out, changing the spread. 

So, if your car is angled a bit behind your RV, you'll still be able to hook up by bringing the arms closer together and staggering the length so that 1 arm is longer than the other, 

allowing it to reach the more distant base plate.

The fact that the arms are extra-long also allows for a better turning radius. 

By putting more distance between your motor home and your towed car, your entire setup will become easier to maneuver so that your towed car will track behind your motor home 

without running the risk of hitting your RV during turns.


When using EZ, XL, or Classic base plates, quick-disconnects make it a snap to attach the tow bar to your vehicle. 

Other methods require you to maneuver each tow bar arm individually and perfectly line up tabs on the arms with tabs on your base plates. 

Roadmaster's unique design lets you connect and disconnect the tow bar quickly and easily, all by yourself.

The quick-disconnect brackets come in separate pieces. 

The pieces that are positioned on the ends of each tow bar arm interlock with matching brackets that attach to your Roadmaster base plates. 

Sandwiched between the tow bar arms is a sturdy crossbar that essentially turns the arms into a single structure. 

This crossbar allows you to lower the tow bar as a single piece onto the quick-disconnect brackets on your towed car so that you don't have to connect each arm separately. 

When lowering the tow bar onto the brackets, make sure that the tab on each bracket lines up with the hole in the matching bracket. 

Then just insert the linch pins through the holes in the tabs on top to secure the brackets together. 

To remove the tow bar, simply remove the pins and lift the tow bar off of the brackets. 

These convenient brackets also make it simple to mount any number of Roadmaster accessories, from basic safety cables to the Guardian rock shield.


If you have MS, MX, or EZ5 base plates, the arms will connect directly to the base plates. 

Just remove the quick-disconnect brackets from the ends of the arms and you will be left with lugs that fit into the base plate brackets. 

Once the lugs are set inside of the brackets, simply insert the included pins to secure them in place.

Non-Binding for Simple Disconnect

Freedom Latch

The Freedom Latch makes disconnecting this tow bar a breeze. 

This latch makes it easy to release the tension that can build up in a telescoping arm when the RV and towed car are not perfectly lined up. 

Just flip the latch to release the pressure, and the arms will be able to telescope freely, making it easy to disconnect the tow bar from the base plates. 

This allows you to disconnect even when you're at a hard angle or out of level.

Superior Testing Ensures Excellent Quality

FEA test

This Sterling All-Terrain tow bar has been subjected to rigorous physical and computerized testing to ensure that it meets Roadmaster's exceptionally high standards. 

Throughout the design process, Finite Elemental Analysis (FEA) is done. 

Each of these tests display a 3-dimensional image of the tow bar while it is put under thousands of pounds of pressure. 

Areas of stress in the tow bar can then be located and studied so that those areas can be strengthened. 

This process is repeated until any weak spots, particularly those found in load-bearing components, are completely removed. 

The result is a durable, strong, and safe product.

Simple, Secure Storage


The Sterling All Terrain can easily be folded up and stored on the back of your RV when not in use.

Storage Process

After disconnecting the tow bar from your towed vehicle, push the arms of the tow bar together so that they are side by side. 

Fold the tow bar up toward the RV and the storage latch will automatically lock it in place.

Built-In Cable Guides

Cable Guide

Because safety cables and wires all too often tangle and drag, and wrapping them around your tow bar before every use is just no fun, the Sterling features built-in routing channels. 

These convenient cable guides serve a dual purpose: they keep cords and wires safe and secure, and they create an attractive, streamlined appearance for your towing setup.

EZ Hook Cable

Designed specifically for use with Roadmaster quick-disconnects, the included EZ Hook safety cables connect and disconnect quickly and easily. 

Unlike standard cables, the EZ Hook cables feature a ball constructed of stainless steel on the end of the cable. 

This ball fits into an anchor plate that is attached to the mounting bracket. 

The hook on the opposite end is constructed of drop-forged steel for extra strength and peace of mind.

Guide to Flat Towing

Flat towing your vehicle is much more convenient than using a trailer or a tow dolly. 

These other options take up much more storage space, leaving you less room both at home and at the campsite. 

In addition, securing your vehicle to a trailer or tow dolly can be a hassle and more time consuming than hooking up with a tow bar.

There are 5 basic components needed when flat towing a vehicle: a tow bar, a base plate kit, a safety cable set, tow bar wiring, and a supplemental braking system.

FlatTowing Components

The tow bar links your towed car to your motor home. 

It attaches to the custom-fit base plates that install on the frame of your towed car. 

Safety cables ensure that your towed car does not separate from your motor home in the event that your tow bar becomes detached.

Tow bar wiring allows your towed vehicle's signal lights to sync up with your motor home's tail lights, which is required by law in most states. 

Finally, the supplemental braking system - also required in most states - brakes your towed car when the brakes in your motor home are activated, preventing wear on the motor 

home and decreasing braking distance for your entire setup.

Mailing List

0 Items