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  1. Tow Bar
  2. Roadmaster
  3. Fits Blue Ox Base Plates
  4. Telescoping - Non-Binding
  5. 8000 lbs
  6. Hitch Mount
Roadmaster Nighthawk All-Terrain Tow Bar for Blue Ox Base Plate - Non-Binding - LEDs - RV Mount - 8K
Roadmaster

Roadmaster Nighthawk All-Terrain Tow Bar for Blue Ox Base Plate - Non-Binding - LEDs - RV Mount - 8K

Part Number: RM-677
In Stock
$1,545.00
Retail:$1,716.98
You Save: $171.98
Tow Bar
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This aluminum tow bar is the absolutely snazziest tow bar you can get. Sleek, lightweight, with built-in LEDs for increased visibility and safe driving at night. The electrical cord comes installed in the cable guide, keeping your setup organized. Great Prices for the best tow bar from Roadmaster. Roadmaster Nighthawk All-Terrain Tow Bar for Blue Ox Base Plate - Non-Binding - LEDs - RV Mount - 8K part number RM-677 can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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Roadmaster Tow Bar - RM-677

  • Fits Blue Ox Base Plates
  • Telescoping - Non-Binding
  • 8000 lbs
  • Hitch Mount
  • Roadmaster
  • Stores on RV
  • Cables Included
  • Aluminum

This aluminum tow bar is the absolutely snazziest tow bar you can get. Sleek, lightweight, with built-in LEDs for increased visibility and safe driving at night. The electrical cord comes installed in the cable guide, keeping your setup organized.


Features:

  • Safely bring your heavy vehicle along behind your RV
  • Built-in LED light strips increase visibility and safety by alerting other drivers that you're towing a vehicle
  • Easy hookup with arms that smoothly extend and pivot to reach the base plate
    • Stainless steel inner arms slide in and out
    • Self-aligning arms automatically lock into towing position when you pull forward
  • Extra-long arms help you make tight turns
  • Quick disconnect, even on rough terrain, with non-binding levers
  • Cable guides keep included power cord from getting damaged or tangled
    • Included 6-way plug installs on the front of your vehicle
  • Coiled safety cables won't drag as you tow
    • Vinyl-coated to resist corrosion
    • Spring-loaded latches prevent the hooks from disconnecting
    • Can be threaded through the cable guides to keep them organized
  • Engineered to be super tough
    • 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
    • Lightweight, aircraft-grade aluminum body is durable and rustproof
    • Black matte powder coat finish protects against scratches and dings
  • Compatible with Blue Ox base plates with included adapters
  • Easy storage on the back of your RV
    • Push arms up so the holding latch snaps into place and then fold them left or right
  • Made in the USA


Specs:

  • Fits: Blue Ox base plates
  • Application: 2" x 2" trailer hitch receivers
  • Arm length (from center of hitch pin hole to center of base pin hole when lined up with arm straight):
    • Extended: 52"
    • Retracted: 40-1/2"
  • Weight capacity: 8,000 lbs
  • Weight: 35 lbs
  • Limited lifetime warranty


Built-in LED Light Strips

Roadmaster Nighthawk Integrated LEDs

This is the coolest feature you didn't know you needed. These built-in LEDs don't just look dope - they're great for safety too, especially when you're driving at night. They light up the space between your RV and your toad (towed vehicle) and alert other drivers to the fact that you're towing a vehicle behind your RV. You definitely want to avoid an inattentive driver trying to merge right into the middle of your setup.


They also come in handy when you get to your campsite after dark and you want to unhook. These LEDs are more than bright enough for you to see what you're doing.


It's all extra snazz with no extra work. When you plug the power cord into your RV's 7-way to flat tow, the LEDs will have power. Turn on your RV's taillights and the LEDs come on too. Simple as that.


Smooth Hookup with Stainless Steel Arms

Roadmaster Nighthawk Stainless Steel Arms

The Nighthawk is designed to make hooking up your toad a smooth and easy process. The telescoping arms are able to extend to the needed length and angle to reach the base plate without the need for your vehicle to be perfectly level or in the exact right spot behind your RV. The inner arms are stainless steel and will slide in and out smoothly. Supremely corrosion resistant, they'll stay rust-free and functional for the life of the tow bar.


Slide the tow bar into your hitch and pin it in place. Get the arms connected to the base plate one at a time. Once you're all hooked up, slowly pull forward and the self-aligning arms will fully extend and lock into the towing position. Double check that the arms are properly latched and you'll be ready to hit the road!


Extra-Long Arms Get You Around Tight Turns

The Nighthawk's arms are longer than average, giving you an above-average turning radius. You're going to be able to get around obstacles and make sharp turns with no worry of clipping the corner of your RV. Maneuver through gas stations and the campsite no problem.


Non-Binding for Easy Disconnect

Uneven ground and sharp angles can put the arms of the tow bar in a bind and make them stiff and immoveable. Once you get to your destination, the last thing you need is to spend several minutes wrestling, yanking, and kicking at them to get your car disconnected.


non binding towbar

Instead, get out of a bind in one easy step. Simply pull up on the lever on the arm of the Nighthawk to disengage the internal latch. This releases the pent-up pressure so you can unhook and get on with your adventure.


Built-In Cable Guides

Tow Bar Cord Channels

The Nighthawk comes with cable guides built into the arms, keeping your setup streamlined and organized. The power cord will come pre-installed in the cable guide, protecting it from getting damaged or tangled. It's also a great way to keep all your gear together. You won't need to find a separate place to store your power cord; you can keep it right there where you need it, ready for the next time you flat tow.


Power Cord and Safety Cables

You can thread the safety cables through the guides as well, which will likewise protect them from damage and make them easy to store.


Engineered for Excellence

FEA test

The Nighthawk is engineered to be as tough and durable as possible. Throughout the design process, rigorous physical and computerized testing is done, including Finite Elemental Analysis (FEA). Each of these tests displays 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 product that is durable, strong, and safe.


Simple Storage: RV-Mounted Tow Bar

Road Master Night Hawk Storage

The Nighthawk folds up to conveniently store on the back of your RV when you're not using it. After disconnecting the tow bar from your toad, push the arms of the tow bar together so that they are side by side. Push the tow bar up until the holding latch clicks into place. The arms can then swing to the right or to the left, whichever side you want to store it on.


For added protection from the elements, slip the Roadmaster tow bar cover (RM-055-3 - sold separately) over the tow bar when you're not using it.


What You Need to Flat Tow

Flat towing can be a much more convenient way to take your car RVing with you than using a trailer or a tow dolly. It'll save you storage space both at home and at the campsite, and it takes less time and hassle to hook up.


To flat tow your vehicle, there are 5 basic components you're going to need: a tow bar, a base plate kit, a safety cable set, tow bar wiring, and a flat tow braking system.


For the RV Between the RV and Towed Car For the Towed Car
Hitch Tow bar Base plate
Wiring plug Safety cables Braking system
Wiring adapter cord Wiring kit/diodes

The custom-fit base plate installs on the frame of your toad so you can connect the car to your RV with a tow bar. Hook up safety cables between the vehicles to ensure that the toad does not separate from the motorhome if the tow bar becomes detached. Tow bar wiring syncs your vehicle's signal lights with your motorhome's tail lights, as required by law in most states. Finally, the flat tow braking system - also required in most states - activates the brakes in the toad when you hit the brakes in the RV, making for smoother, safer braking, and preventing wear on your motorhome.



677 Road Master Night Hawk for Blue Ox Baseplates - LED Light Strips - Motorhome Mounted Towbar - 2" Hitch - 8K Rating

Installation Details RM-677 Installation instructions


California residents: click here


Customer Satisfaction Score:

Ratings & Reviews

4.8

790 reviews
This aluminum tow bar is the absolutely snazziest tow bar you can get. Sleek, lightweight, with built-in LEDs for increased visibility and safe driving at night. The electrical cord comes installed in the cable guide, keeping your setup organized.

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Show More Reviews

See what our Experts say about this Roadmaster Tow Bar

  • Parts Needed to Flat Tow 2019 Ford F-150
    Hello Joshua; I would be happy to get you all of the parts you need. A complete flat tow setup requires a tow bar, base plate, tow bar wiring, safety cables, and a supplemental braking system. You already picked out the Blue Ox Base Plate Kit # BO74FR and Roadmaster Nighthawk All-Terrain Tow Bar # RM-677. The Nighthawk comes with part of the wiring and the safety cables already. For the rest of the wiring along with locks to keep it secure and a cover for storage you can use the Roadmaster...
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  • 2015 Chevy Suburban Flat Tow Parts Recommendations
    Hey Ricardo, thanks for reaching out! Picking out the parts for flat towing can be a bit overwhelming, but I'd be happy to help out! Here are the parts I recommend installing on your 2015 Chevy Suburban: - Blue Ox Base Plate Kit # BX1718 (with Adaptive Cruise Control) or Kit # BX1716 (without Adaptive Cruise Control) - Roadmaster Nighthawk All-Terrain Tow Bar for Blue Ox Base Plate # RM-677 - Hopkins Custom Tail Light Wiring Kit # HM56115 - 6-Way Connector # PK12720 - Roadmaster...
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  • Flat Tow Setup For 2025 Ram 1500 Being Towed by Tiffin Motorhome With Air Brakes
    Hey Cody, We can get your 2025 Ram 1500 set up with a complete flat tow setup, and there are options for you regarding the baseplate, from both Demco and Blue Ox. Keep in mind this depends on the model of your '25 Ram 1500: - Demco Tabless Base Plate Kit # DM9519341 (Does not fit Rebel or TRX models) - Blue Ox Base Plate Kit # BLU49HR (Does not fit RHO models) Both are high-quality and will serve your Ram well, with the difference being the Blue Ox has a straight bar while the Demco...
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  • Parts Needed to Flat Tow 2024 Chevrolet Colorado Z71
    Hey Jack! I would be happy to provide you with a list of parts to flat tow your 2024 Colorado Z71. Since you have the # RM-677 already you will need a Blue Ox base plate kit, wiring, and a supplemental brake system. I recommend the following: -Blue Ox Base Plate Kit - Removable Arms # BLU85CR -Roadmaster Universal Hy-Power Diode Wiring Kit # RM-152 -RoadMaster 6-Wire Trailer Connector - Vehicle End # RM-910030-7 and Bracket # RM-910030-5 -Roadmaster Battery Disconnect # RM-766 -Demco...
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  • Flat Tow Kit Recommendation for a 2020 Ford F-150
    Hey Dennis! Here are the parts I recommend using to flat tow your 2020 Ford F-150: - etrailer Invisible Base Plate Kit # e86YR - Roadmaster Nighthawk All-Terrain Tow Bar # RM-677 - Roadmaster Accessory Kit # RM-9284-2 - Brake-Lite Relay Kit # RM-88400 - Brake Buddy Classic 3 # HM39494 - High-Low Adapter (see linked article - bracket height is 15-1/2") The tow bar is aluminum, so it only weighs in at 35 lbs (cutting down about 10 lbs or so from a steel bar), and then the Class 3...
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  • Finding Installer for Base Plate Kit that Fits 2018 Jeep Grand Cherokee
    Hey Jerry, we have an installer locater that I linked on this page that will allow you to find the best installer in your area. Do you have a base plate kit picked out already?
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  • 2020 Cadillac Escalade Parts Recommendations for Flat Towing with a 2017 International Lonestar
    Hey Kian, thanks for reaching out! Here are the parts I recommend for flat towing your 2020 Cadillac Escalade: - Blue Ox Base Plate Kit # BX1716 - Nighthawk All-Terrain Tow Bar with LEDs # RM-677 - Accessory Kit for Nighthawk and Sterling Tow Bars # RM-9284-2 - Battery Disconnect with Switch # RM-766 - Demco Air Force One Flat Tow Brake System for RVs w/ Air Brakes # DM26VR - High-Low Adapter (see attached article - bracket height is 17-1/2") All of these parts are from various...
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  • Will the Roadmaster Direct-Connect Base Plate Kit RM38VR Fit my 2021 Ford F-150
    Great question, Bryan! The Roadmaster baseplate kit, part # RM38VR, you're looking at will fit your 2021 Ford F-150 4x4. It will also work if your truck is a Hybrid model as well. If you are also in the market for a tow-bar, I would recommend the Roadmaster Nighthawk, part # RM-677. Have you flat towed before or is this you first flat tow set up that you are doing?
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  • Troubleshooting LED Lighting on Tow Bar and Wiring Kit for Towing a 2018 Jeep JL Wrangler Unlimited
    Since your Nighthawk All Terrain # RM-677 runs off of the running lights and you are having issues with the driver's side stop/turn function with the Hy-Power Diode Wiring Kit # RM-154 installed on your 2018 Jeep JL Wrangler Unlimited I recommend checking your connectors and grounds to make sure they are secure and that there aren't any places where there might be debris or corrosion. As far as the Hy-Power Diode Wiring Kit goes you may want to double check that you installed it using...
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    Image 1 for
  • Comparison of Roadmaster Blackhawk 2 # RM-422 vs. Roadmaster Nighthawk # RM-677
    The Roadmaster Blackhawk 2 # RM-422 comes with just the tow bar, although one feature it does have is cable guides to protect your safety cables and wiring. The Blackhawk 2 has a shipping weight of 64 lbs, so its weight will pretty close to that. The comparison between the Blackhack 2 and the Roadmaster Nighthawk All Terrain # RM-677 is the Blackhawk 2 has a weight capacity of 10,000 lbs, the Nighthawk 8,000 lbs: the Blackhawk 2 is made of steel and the Nighthawk is made of aluminum. The...
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  • Recommended Flat Towing Setup for a 2024 Cadillac Escalade
    I'd be happy to Jeremy. For your 2024 Cadillac Escalade, you're going to need: - A base plate kit, the Blue Ox Base Plate Kit # BLU34GR, - A set of tow bars, the Roadmaster Nighthawk All-Terrain Tow Bar for Blue Ox Base Plate # RM-677, - A braking system, the Demco Stay-IN-Play Duo Flat Tow Brake System for RVs w/ Hydraulic Brakes # SM99251 with a battery disconnect # RM-766, & - A wiring kit, the Roadmaster Diode 7-Wire to 6-Wire Flexo-Coil Wiring Kit # RM-15267.
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  • Roadmaster Tow Defender Recommendation for Roadmaster Tow Bar with Blue Ox Adapter
    Since the Roadmaster Nighthawk All Terrain, Non-Binding Tow Bar for Blue Ox Base Plates - RV Mount - 8K Item # RM-677 you referenced is designed to attach to Blue Ox base plate kits what you'd want is the Roadmaster Tow Defender Protective Screening Item # RM-4750 as it's designed to be used on Blue Ox and Roadmaster flat towing setups.
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  • Best Flat Tow Setup For 2017 Chevy Colorado 4x4 Z71 Diesel
    Hello Shane, thanks for reaching out. I can absolutely provide a full list of parts for flat towing your 2017 Chevy Colorado 4x4 Z71 Diesel. Here is what I recommend: - etrailer Invisible Base Plate Kit - Removable Arms # e98966 - etrailer XHD Non-Binding Tow Bar - RV Mount - 2" Hitch - 10,500 lbs # e94ZR - Roadmaster 4-Diode Universal Wiring Kit for Towed Vehicles - 7-Way to 6-Way Coiled Adapter Cord # RM-15267 - Roadmaster Battery Disconnect for Towed Vehicle w/ Flat Tow Brake System...
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  • Will Pro Series Anti-Rattle Device Work For 2008 Jeep Liberty Flat Tow Setup
    Hey Mark! Yes, the Pro Series Anti-Rattle Device # PS63091 can be used as part of your flat tow setup on your 2008 Jeep Liberty. This will help remove any unwanted movement with your Roadmaster Nighthawk All-Terrain Tow Bar # RM-677 or high-low adapter if you're using one. What kind of motorhome do you have?
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  • Flat Tow and Hitch Parts Recommendations for a 2010 Mini Cooper S
    Hey Dan, thanks for reaching out! I'll start off with the hitch since flat towing parts are a longer list. For the hitch you need the EcoHitch # EH47FR as it's the only one that fits the 2010 Mini Cooper S Series. If you don't already have a bike rack then I recommend checking out the Yakima HoldUp # Y02445. Now for the flat towing parts: - Blue Ox Base Plate Kit # BX1307 - Roadmaster Nighthawk All-Terrain Tow Bar # RM-677 - Pollak 6-Pole Round Pin Socket # PK11608 - Charge Line...
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  • Can The Same Tow Bar Be Used With A Jeep Wrangler And A 2014 Ram 1500 4x4?
    Hi Matt! The heaviest 2014 Ram 1500 4x4 (ones with the TRX trim) can weigh up to 6,440 pounds and the heaviest Jeep Wrangler (the 4 door Rubicon 392) can weigh up to 5,280 pounds. Something like the Roadmaster Nighthawk All-Terrain Tow Bar for Blue Ox Base Plate - Non-Binding - LEDs - RV Mount - 8K # RM-677 you were looking at can handle up to 8,000 pounds. So with that said, you can absolutely use it with both vehicles. One thing to note, the aforementioned Nighthawk tow bar is specifically...
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  • Complete Flat Tow Set-Up for 2021 Ford Ranger Pulled Behind 2025 Coachmen Encore 335FS
    Hello James, More than happy to check your flat tow set-up for your 2021 Ford Ranger. - Base Plate: Blue Ox Base Plate Kit - Removable Arms # BLU77XR - Tow Bar: Roadmaster Nighthawk All-Terrain Tow Bar for Blue Ox Base Plate - Non-Binding - LEDs - RV Mount - 8K # RM-677 - Wiring: Roadmaster 4-Diode Universal Wiring Kit for Towed Vehicles - 4-Way Flat Connectors # RM-154 - Braking System: Demco Stay-IN-Play Duo Braking System for RVs w/ Hydraulic Brakes - Wireless Monitor - Proportional...
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  • Is there a Baseplate for a 2016 Acura MDX?
    Hey Bobby! I wish I could help you but no one makes the baseplate you need to flat tow your 2016 Acura MDX. It looks like the only way you'll be able to haul it behind your Thor Axis is to use a tow dolly like the Demco Kar Kaddy SS item # DM9713045. I checked your owner's manual. The 2016 Acura MDX cannot be flat-towed with all four wheels behind a motorhome. This is why no one makes a baseplate for it. If yours is a front wheel drive model you can dolly tow it. If it is all wheel drive...
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  • Comparing the Roadmaster Direct-Connect and Crossbar-Style Base Plate Kits
    The only difference between the Roadmaster Direct-Connect Base Plate Kits like part # RM-523179-5 and the Roadmaster Crossbar-Style Base Plate Kits like part # RM-523179-4 are the removable arms. The Direct-Connect style means you can attach a tow bar to this like the Roadmaster Nighthawk All Terrain Tow Bar part # RM-677 without the need for a crossbar to go between the two arms. The Crossbar-Style style means you will need the crossbar that goes between the two arms like the Roadmaster...
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  • Recommended Flat Towing Components For A 2023 Ford Ranger I have a 2023 Ford Ranger that
    You picked out some great parts so we'll go through each to ensure they're right for your 2023 Ford Ranger. The Blue Ox Base Plate Kit # BLU77XR and Roadmaster Nighthawk All Terrain, Non-Binding Tow Bar for Blue Ox Base Plates # RM-677 are a great tow bar and baseplate combo. Since the Nighthawk tow bar comes with the 6-pole socket and cable you won't need the Roadmaster 4-Diode Universal Wiring Kit for Towed Vehicles - 7-Wire to 6-Wire Straight Cord # RM-152-98146-7, and instead would...
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  • Which Tow Bar is Better Blue Ox Avail # BX7420 or Roadmaster Nighthawk # RM-676
    The Blue Ox has a life expectancy of 8-10 years, Blue Ox does recommend replacing it at this point. There are a few big differences between the Roadmaster Nighthawk All Terrain, Non-Binding Tow Bar w/ LED Lights - RV Mount - 8K # RM-676 and the Blue Ox Avail Non-Binding Tow Bar - Motorhome Mount - 2" Hitch - 10,000 lbs # BX7420. As you said, the Blue Ox is made of steel and the Roadmaster is made of aluminum. The Blue Ox has a weight capacity of 10,000 lbs, while the Roadmaster is 8,000...
    view full answer...
  • Complete Flat Towing Set Up For A 2020 Ford F-150
    For your 2020 Ford F-150, you're going to need a set of tow bars, a braking system, wiring, and a base plate kit. For a base plate kit, I recommend going with the Roadmaster Crossbar-Style Base Plate Kit # RM-524431-4. This base plate creates a slick, hidden design when not installed, and feature a simple installation with no welding required. Moving on to a set of tow bars, the Roadmaster Nighthawk All Terrain, Non-Binding Tow Bar for Blue Ox Base Plates # RM-677 with the swivel ears...
    view full answer...
  • What Comes With Nighthawk All-Terrain Tow Bar for Blue Ox Base Plates
    The photo of the Roadmaster Nighthawk All Terrain, Non-Binding Tow Bar for Blue Ox Base Plates # RM-677 is definitely an accurate representation of what you get - arguably the highest-quality tow bar in the industry with LED light strips, safety cables, cord with 7-way and 6-way plugs, along with arms that have connections designed specifically to mate with Blue Ox base plates. If those are the base plates you have and you are looking for a tow bar, the Nighthawk # RM-677 is the most convenient...
    view full answer...
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  • How to Tell if High-Low Adapter is Needed for Flat Towing with a Roadmaster Nighthawk Tow Bar
    A high-low adapter isn't always necessary, but it's needed when your tow bar is outside of the "Safe Zone" which is your towed vehicle base plate brackets being within 3" of level with the center of your motorhome hitch receiver (see attached). If you don't know whether or not the Roadmaster Nighthawk All Terrain # RM-677 is outside that safe zone just let me know what the year/make/model is on your vehicle and I can compare the Roadmaster base plate kit height listing with the 19" motorhome...
    view full answer...
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