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  1. Trailers
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Roadmaster Tow Dolly with Electric Brakes - 4,250 lbs

Roadmaster Tow Dolly with Electric Brakes - 4,250 lbs

Item # RM-2050-1
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Our Price: $2,948.75
This item qualifies for Free Truck Freight Shipping
Shipping Weight: 694 lbs
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Tow your vehicle without installing a tow bar or base plates. This tow dolly has a pivoting deck for easy maneuvering and electric brakes for safe stopping. Sliding ramps adjust side-to-side from 34" to 77" to fit most vehicles. Lowest Prices for the best trailers from Roadmaster. Roadmaster Tow Dolly with Electric Brakes - 4,250 lbs part number RM-2050-1 can be ordered online at or call 1-833-496-1390 for expert service.
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Roadmaster Trailers - RM-2050-1

  • Tow Dolly
  • 4250 lbs
  • Roadmaster
  • Powder Coated Steel
  • Wheel Decks
  • Cars/Trucks/SUVs
  • 8-1/2W x 12L Foot

Tow your vehicle without installing a tow bar or base plates. This tow dolly has a pivoting deck for easy maneuvering and electric brakes for safe stopping. Sliding ramps adjust side-to-side from 34" to 77" to fit most vehicles.


  • Tow dolly makes it easy to tow different vehicles without installing a tow bar and base plates
    • Ideal for cars with front-wheel-drive automatic transmissions
  • Towing deck keeps front wheels of towed vehicle up and off the ground
    • No need for a transmission lube pump system or driveshaft disconnect
  • Loading ramps slide from side-to-side to fit almost any vehicle
    • Laser-cut grooves provide extra traction for safe loading
  • Electric brakes make it safe and easy to stop while towing
    • Helps prevent wear and tear on your RV's brakes
    • Requires an electric brake controller (sold separately)
  • Deck platform swivels 9 degrees for tight cornering and easy maneuvering
  • Heavy-duty trailer tires let you tow heavy vehicles with ease
  • Accu-Lube hubs with grease fittings make it easy to grease the bearings
  • Adjustable wheel nets fit tires sizes that are up to 30" outer diameter x 11" wide
    • Includes ratchets
  • Brake lights with turn signals included
  • Powder-coated steel resists corrosion
  • Polyethylene fenders are durable and won't rust
  • 5-Way, 6-way, or 7-way connector (sold separately) required to activate dolly's brakes
  • Made in the USA
  • Limited Lifetime Warranty


  • Application:
    • Maximum vehicle weight: 4,250 lbs
    • Maximum tire size: 30" outer diameter x 11" wide
  • Overall length: 121"
  • Overall width: 102"
  • Usable width:
    • Narrow ramp position: 34" from inner tire tread to inner tire tread
    • Wide ramp position: 77" from outer tire tread to outer tire tread
  • Distance from end of coupler to pivot bolt in deck platform: 86-1/2"
  • Dolly weight: 545 lbs
  • Height at fenders: 29"
  • Trailer ball size: 2"
  • Recommended ball height: 18" - 20"
  • Tires: ST205-75R14 radial

When towing your vehicle with a tow bar, all 4 wheels are in contact with the ground. Certain vehicles - namely, those with front-wheel-drive automatic transmissions - require either a transmission lube pump system or a driveshaft disconnect when being flat towed. Using a tow dolly eliminates the need for those by lifting your vehicle's front wheels off the road. In addition, using a dolly eliminates the need for base plates that clutter the front of your towed car, difficult-to-install wiring, and a potentially expensive supplemental braking system. Also, if you want to tow multiple vehicles, this dolly is a great alternative to traditional flat towing because you don't have to purchase and install brackets and wiring for all of your cars.

Superior Design

Electric Brakes

The built-in electric brakes make it safe and easy to stop your vehicle while you're towing. This meets towing requirements, and also helps prevent the extra wear and tear on your RV's brakes that would otherwise occur because of the added towing weight. An electric brake controller (sold separately) must be purchased and mounted inside your RV to complete the installation. In addition, you will need a 6-way or 7-way trailer connector on the dolly so that it can receive the braking signal from your RV.

Universal Compatibility

The sliding ramps offer a 47" range of adjustment to ensure a precise fit for almost any vehicle you decide to tow. Also, the included wheel nets adjust to fit tires that are up to 30" outer diameter x 11" wide.

2050-1 Road Master RM3477 Tow Dolly with Electric Brakes - 4,250 lbs

Installation Details RM-2050-1 Installation instructions

Customer Reviews

Roadmaster Tow Dolly with Electric Brakes - 4,250 lbs - RM-2050-1

Average Customer Rating:  5.0 out of 5 stars   (1 Customer Reviews)

Tow your vehicle without installing a tow bar or base plates. This tow dolly has a pivoting deck for easy maneuvering and electric brakes for safe stopping. Sliding ramps adjust side-to-side from 34" to 77" to fit most vehicles.


It is a great trailer, very high quality. It is the first time I every used a car dolly, I was amazed how easy and quick you can load and unload your car. Trailer very stable when pulling.


See what our Experts say about this Roadmaster Trailers

  • Can 2015 Kia Optima be Flat Towed behind Vehicle
    I did some checking and it looks like the 2015 Kia Optima can be flat towed but it has to be on a tow dolly and not with a 4 wheels down setup. For a tow dolly we have the part # RM-2050-1 which is a great option that would work well.
    view full answer...
  • Comparing Towing Vehicle with Tow Bar and Tow Dolly
    All things being equal I prefer tow dollies as they cost about the same, don't require as in-depth of an install, more vehicles can be dolly towed than flat towed, the towing setup can be easily transferred to future vehicles without having to re-buy components, and half of the tires on the vehicle aren't getting wear. For a tow dolly we have the Roadmaster part # RM-2050-1 which has a decent price compared to others.
    view full answer...
  • What Is the Weight of the RoadMaster Tow Dolly and What is Coupler Height
    I called RoadMaster and got the following weight measurements. The weight of the dolly is 545 pounds. The shipping weight is 694 pounds. I have sent an update email to have this information corrected on our site. The trailer tongue and coupler height are fixed, they are not adjustable. A ball mount should be selected that has the proper rise or drop so that the dolly is riding level on the axle. The coupler height is 18 inches on the dolly. So you would need a ball mount that would keep...
    view full answer...
  • Does a 2004 Mercury Mountaineer have the Capacity to Tow a Chevy S10 on a Tow Dolly
    Probably but you will want to consult the vehicle owners manual to determine the capacity of your 2004 Mercury Mountaineer. Provided the gross weight of the Chevy S10 and tow dolly is under the capacity the Mountaineer can pull it. Based on what I saw at the very least it is rated for 3,125 pounds. Consult the owners manual to confirm.
    view full answer...
  • Base Plates for 2015 Chevy Malibu With Active Air Shutters
    According to my research, the Air Shutters on your 2015 Malibu will prevent base plates from being installed. From what I've been told, the Air Shutters are actually a component of the emissions system of the vehicle, so therefore it would be illegal to alter or tamper with that system. The best bet for towing your Malibu would be to use a tow dolly like the # RM-2000-1. The tow dolly might seem horrifically expensive, but it's actually similar to the total cost of the equipment that...
    view full answer...
  • How to Flat Tow a 1993 VW Eurovan w/Manual Transmission
    The only option we have for towing your 1993 Volkswagen Eurovan would be to go with a tow dolly like the part # RM-2050-1. This may seem like an expensive option, but by the time you add up the price for all the necessary components to flat tow a vehicle the price isn't that far off. Plus, with a tow dolly you can use it on other vehicles without having to buy any new components. We don't have a base plate kit confirmed as a fit for your vehicle.
    view full answer...
  • How to Tow a 2005 Smart Fortwo Behind a Motorhome
    The only way I can recommend you flat tow your 2005 Smart Fortwo is to use a tow dolly like the part # RM-2050-1. We do not currently have any tow bar solution for your year vehicle.
    view full answer...
  • Install Instructions and Owners Manual for the Roadmaster Tow Dolly part # RM-2000-1
    I attached the install instructions and owners manual for the Roadmaster Tow Dolly part # RM-2050-1 that you referenced. They are linked on this page under the words, "Featured Help Information."
    view full answer...
  • Recommended Dolly To Tow 1989 Ford Mustang With V8 Engine
    Many times the demand is not there for the manufacturers to spend the time to develop and make items for vehicles. With your Mustang being a 1989, my best guess is that there simply is not enough people asking for base plates and wanting to flat-tow the vehicle. We do have a solution for you. I recommend the RoadMaster Tow Dolly with Electric Brakes, part # RM-2050-1. This dolly has an adjustable axle and ramps to make it compatible with almost any vehicle. Plus you do not need to worry...
    view full answer...
  • How to Dolly Tow a Front-Wheel Drive 2014 Chevrolet Spark with Standard Transmission
    According to the online owner's manual for the 2014 Chevrolet Spark the vehicle can be flat towed with all four wheels on the ground if it has a manual (standard) transmission up to a speed of 70mph. The preparation steps required to ready the car for this procedure are noted on page 10-68. To use a tow dolly such as the Roadmaster # RM-2050-1 with either an automatic or manual transmission you will follow the procedure shown on pages 10-68 and 10-69. The car's front wheels go on the dolly...
    view full answer...
  • Will a 2004 Chevy Colorado 4x4 Fit in the Roadmaster Tow Dolly, # RM-2050-1
    No modifications need to be done to your 2004 Chevy Colorado in order to flat tow it behind a motor home. If using the tow dolly, # RM-2050-1, or another tow dolly, you will need to make sure that the dolly can accept the width of the truck and the tire size. The Roadmaster Tow Dolly has wheel nets that will fit 12 inch to 16 inch tires. The axle width is adjustable from 93-1/2 inches to 101-1/2 inches. It also has a 4,250 pound capacity. I have included a link to the installation details...
    view full answer...
  • What is the Average Vehicle Tow Dolly Width
    Most modern tow dollies are either wide enough to handle most any late model vehicle that can be placed on a dolly or width adjustable to accommodate a variety of vehicle styles. The RoadMaster Tow Dolly with Electric Brakes, # RM-2050-1, is one of the latter. It adjusts from 93-1/2 inches to 101-1/2 inches. That is 7-3/4 feet to 8-1/2 feet. There are not too many vehicles that are wider than this and that can also be placed on a tow dolly.
    view full answer...
  • Can a 1991 Toyota Pickup Be Flat Towed or Will a Vehicle Dolly Be Required
    Typically vehicles that are equipped with a manual transmission can be flat towed without using a vehicle dolly, however there are usually recommendations as far as putting the transmission in neutral and the key position of the towed vehicle, etc. Through my research I was unable to verify if you could flat tow your 1991 Toyota pickup, and what steps should be taken to proceed, or if a vehicle dolly was required. Many of our flat towing resources and manufacturers only provide recommendations...
    view full answer...
  • Recommendation for Towing a 2012 Toyota Prius V
    I do have a solution for your situation, however, at this time there are no custom fit wiring harnesses available for the 2012 Toyota Prius V or a substitute kit. After doing some research on your vehicle, I found that it is not recommended to flat tow the Prius V and a tow dolly must be used. This is most likely why a custom wiring harness is not available. To tow your Prius V, I recommend using the Roadmaster Tow Dolly, part # RM-2050-1. This dolly comes with tail lights, wheel nets...
    view full answer...
  • Flat Towing 2008 Ford Escape FWD w/ Automatic Transmission
    According to the information I found on page 177 of an online copy of the 2008 Ford Escape owners manual, FWD models can be towed with a tow dolly only. AWD models must be trailered. Only manual transmission-equipped models can be flat towed, 4 wheels down. In your particular case, you will need to use a tow dolly to prevent damaging the transmission. We offer a Roadmaster Tow Dolly you might be interested in, part # RM-2050-1.
    view full answer...
  • What is the Tongue Weight of the Roadmaster Tow Dolly # RM-2050-1 with a Ford Edge Loaded
    Because the front axle of the towed vehicle sits over the axle of the tow dolly, very little weight is transferred to the tongue of the tow dolly. I spoke with my contact at Roadmaster and he said the Roadmaster Tow Dolly, # RM-2050-1, was engineered so the tongue weight is typically between 80 and 100 lbs with a vehicle loaded within its weight capacity.
    view full answer...
  • Parts Needed to Flat Tow a 1973 International Scout II
    Unfortunately we do not offer any tow bar base plates for the 1973 International Scout II. I double-checked with Roadmaster and they do not offer base plates for your vehicle. An option we can offer is a tow dolly such as the Roadmaster # RM-2050-1. You will need to check your owners manual (or with an International dealer) to confirm whether your vehicle can be towed rear-wheels-down. If the vehicle is suitable for towing in this manner, and if its weight is within the 4,380-lb capacity...
    view full answer...
  • Recommendation for Towing a 2005 Ford Focus with Auto Transmission Behind an RV
    I found an online copy of the owners manual for your 2005 Ford Focus and Ford says that you cannot tow your 2005 Ford Focus with an automatic transmission with all four wheels on the ground. A tow dolly would probably be your best option to tow your vehicle behind your RV. For that I would recommend the RoadMaster Tow Dolly part # RM-2050-1.
    view full answer...
  • Towing Recommendation for a 2013 Honda Ridgeline
    Due to the transmission of your 2013 Honda Ridgeline and the fact that it is all-wheel drive the only solution for towing your vehicle is to use a trailer.
    view full answer...
  • Can a 1996 Nissan Pathfinder Auto 4x4 be Towed with a Tow Dolly
    I did some checking and it looks like your 1996 Nissan Pathfinder 4x4 with an auto transmission can be towed with the rear wheels on the ground with a Tow Dolly like our Roadmaster Tow Dolly part # RM-2050-1, but you would be limited to 30 miles per hour as your max speed.
    view full answer...
  • Can a 2011 Mini Cooper S Convertible be Flat Towed Behind a Motor Home
    I checked the owners manual for the 2011 Mini Cooper S and it says, on page 171, that models with the automatic transmission can only be towed with the front wheels off of the ground. This means that you would need a tow dolly, # RM-2050-1. Otherwise, you would need to put the Mini on a trailer. Given that it is a Mini, it would not have to be a very big trailer, just large enough and with a high enough capacity for the vehicle.
    view full answer...
  • What Gear Should a Front Wheel Drive Car Be In When Towing On a Tow Dolly
    When towing a front wheel drive car like your 2008 Honda Accord on a tow dolly like the RoadMaster Tow Dolly # RM-2050-1, you want to put the car in park and be sure to have the emergency brake OFF.
    view full answer...
  • How to Tow a 2014 Honda Fit
    All of the information I was able to find says that the 2014 Honda Fit cannot be flat towed. The only option you would have would be a tow dolly like the Roadmaster Tow Dolly part # RM-2050-1.
    view full answer...
  • Can a 2012 Volkswagen Eos be Flat Towed Behind a Motor Home
    You will need to consult the vehicle owners manual for your 2012 Volkswagen Eos to determine if it can be flat towed. But, if it can, we do not have any flat towing parts that will fit it. If the owners manual says that it can be towed using a dolly then we have dolly # RM-2000-1 you could use. Otherwise the best solution is to put the car on a small trailer and tow it that way.
    view full answer...

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