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

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

Item # RM-677

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Tow Bars

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RM-677 - 8000 lbs Roadmaster Tow Bars
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Product Images


  • Hitch Mount Style
  • Telescoping
  • Roadmaster
  • Blue Ox
  • 8000 lbs
  • Stores on RV
  • Non-Binding
  • Aluminum
This sleek, aluminum tow bar is designed for use with Blue Ox base plates. LEDs line the arms for maximum visibility. A large hookup radius and hassle-free latches make it easy to connect and release. Safety cables and wiring included. Lowest Prices for the best tow bars from Roadmaster. Roadmaster Nighthawk All Terrain, Non-Binding Tow Bar for Blue Ox Base Plates - RV Mount - 8K part number RM-677 can be ordered online at etrailer.com or call 800-298-8924 for expert service.


  • All Info
  • Reviews (23)
  • Q & A (11)
  • Photos
  • Why etrailer?

Roadmaster Tow Bars - RM-677

This sleek, aluminum tow bar is designed for use with Blue Ox base plates. LEDs line the arms for maximum visibility. A large hookup radius and hassle-free latches make it easy to connect and release. Safety cables and wiring included.


Features:

  • 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
  • Extra-large hookup radius makes connecting a breeze at any angle, even if your vehicle isn't perfectly lined up with your RV
  • Triple-lug connection - sturdy brackets on the end of each tow bar arm provide reinforced connection to base plates
    • Each arm attaches and detaches from base plate with 2 easy-to-access pins
  • 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
  • Integrated LED lights illuminate with your RV tail lights
    • Makes it easy to hookup or disconnect in the dark
    • Provides greater visibility for your towing setup on the road
  • 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
    • Black matte powder coat finish provides additional durability
  • Cable guides protect included, coiled power cord and safety cables from getting damaged or tangled
    • Vinyl-coated safety cables include steel hooks with spring-loaded latches
    • Electrical cord has 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
  • Made in the USA


Specs:

  • Compatibility: works with Blue Ox vehicle-specific 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
  • 1-Year limited warranty


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

Built-in LED Light Strips

Integrated LEDs

This sleek and simple all-terrain tow bar has integrated LED lights that turn on and off with your RV's tail lights. Not only do these amber lights make the tow bar stand out, but they also illuminate the area between your RV and your towed vehicle to make it more visible as you travel at night. These lights also make it easy to hook up and disconnect your towed vehicle in the dark. No extra steps are needed to power on the lights. Simply plug the included power cord into your RV's 7-way plug as you normally would, and the lights will turn on when you turn on your RV's tail lights.


Superior Design for Sturdy, Lightweight Tow Bar

Unique Eggshell Design

The unique, eggshell design of the Nighthawk 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

The Nighthawk tow bar has a larger hookup radius than previous models 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 Nighthawk 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.


Triple-Lug Connection

No Quick Disconnect Bar

In order to be compatible with Blue Ox base plates, there are sturdy brackets at the end of each tow bar arm. These brackets attach to the base plates using 2 easy-to-access pins and provide a tight, stable connection for a safer and more dependable towing experience.


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.


Built-In Cable Guides

Tow Bar Cord Channels

The coiled ends of the included power cord and safety cables easily extend to your RV without dragging on the road. But coiled cords and cables can get easily tangled, creating a hassle and a potential hazard.


Power Cord and Safety Cables

This is why the Nighthawk's power cord and safety cables are straight on the ends that run through the tow bar and connect to your towed vehicle. This way the cables can easily be run through the Nighthawk's integrated routing channels to keep them from getting tangled. These convenient cable guides also keep the cords up and out of the way to create an attractive, streamlined appearance for your towing setup.


Superior Testing Ensures Excellent Quality

FEA test

This Nighthawk 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 Nighthawk can easily be folded up and stored on the back of your RV when it's not in use.


Secure Storage

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.


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.



677 Road Master Night Hawk Tow Bar with Blue Ox Lugs and LED Lights - RV Mount - 8K








Customer Reviews

Roadmaster Nighthawk All Terrain, Non-Binding Tow Bar for Blue Ox Base Plates - RV Mount - 8K - RM-677

Average Customer Rating:  4.9 out of 5 stars   (23 Customer Reviews)

This sleek, aluminum tow bar is designed for use with Blue Ox base plates. LEDs line the arms for maximum visibility. A large hookup radius and hassle-free latches make it easy to connect and release. Safety cables and wiring included.

- RM-677
by:

Emily was very helpful and knowledgeable assisting me with ordering parts needed to tow my car with the RV. The parts arrived two days latter. Thanks for the good service and fast delivery. 661724



- RM-677
by:

I found it to be very high quality and easy to install. We are going to use it this weekend. I hope it works as good as it looks. 591351



- RM-677
by:

Lots of help and walked me through so I could get what I needed. 564776



- RM-676
by:

Review from a similar Roadmaster Nighthawk All Terrain in Tow Bars


After much research and deciding which tow bar to go with as this will be my 1st flat tow experience I went with the Nighthawk RM-676. I ordered on a Monday and received on Wednesday. I'm glad I went with the Nighthawk due to the weight and ease of use. I have not had a chance to use yet but will follow up after I get everything else ordered and hooked up. There was a gouge out of the vinyl coating on one of the safety cables and I contacted etrailer and they said they will be sending out a replacement. I like dealing with etrailer as their customer service is the best. 510388


Comments

Still happy with the purchase of the Nighthawk RM-676 tow bar. 1700 mile round trip to Michigan and 1300 mile round trip to Florida and many closer trips near home. Very easy to hook up unhook

Michael R - 05/19/2019

55456

- RM-676
by:

Review from a similar Roadmaster Nighthawk All Terrain in Tow Bars


Excellent response and customer service. The representative assisted me with all my needs. 549384



- RM-676
by:

Review from a similar Roadmaster Nighthawk All Terrain in Tow Bars


Way beyond perfect!! In service, help, speed ! Simply everything! 477759



- RM-676
by:

Review from a similar Roadmaster Nighthawk All Terrain in Tow Bars


I placed a big order with etrailer to flat tow my Jeep. The Roadmaster tow bar was back ordered but was in transit. etrailer notified me of the possible delay and monitored the parts and was able to ship my complete order within my deadline. I always buy from etrailer due to the great service, follow up support and installation videos and instructions and they keep me informed. Thanks 540288



- RM-676
by:

Review from a similar Roadmaster Nighthawk All Terrain in Tow Bars


Great Product, 1 year in service, 20,000+ miles. Simple hookup and disconnect. Lighter weight makes handling it much easier. LED lights are a nice safety feature. Very happy with the tow bar and E Trailer. 586600



- RM-676
by:

Review from a similar Roadmaster Nighthawk All Terrain in Tow Bars


The product appears well built, have not actually towed with it yet. However, I found that the hooks on the safety cable would not fit the hitch on th rv. To remedy this i was told to use d-rings (also called quicklinks). I thought that to determine whick ones to buy I would match the ones provided that connect the hook too the cable. I was surprised to find that stamped on them was a load limit of 2200 pounds. For a tow bar with a 8000 pound rating that seems just a bit skimpy. I have only given 3 stars as I consider this safety issue overrides many other good features. 518189


Comments

Two of the quick links you describe would offer 4400 lbs of total capacity, which will be more than sufficient for the weight of your Subaru Outback.

-- Mike L - 06/07/2018

39389

- RM-676
by:

Review from a similar Roadmaster Nighthawk All Terrain in Tow Bars


We switched from another brand tow bar that I hated. Everytime I unhooked it was a fight. We have no issues disconnecting with this tow bar no matter how bad the angle is. 639283



- RM-676
by:

Review from a similar Roadmaster Nighthawk All Terrain in Tow Bars


RM-676 Review: I have a 2017 Jeep Wrangler and needed a way to hook it up to my 1991 Hawkins Diesel Pusher Motorhome. The etrailer staff was very helpful in helping me purchase the correct system. Hooking up is painless, disconnecting is also, the LEDs are cool, and perhaps an additional safety aid. I use the RM-521448-5 Base Plate and the SM99243 SMI Air Force One Brake system for Air Brakes. 5 Stars! 635929



- RM-676
by:

Review from a similar Roadmaster Nighthawk All Terrain in Tow Bars


Everything is doing very good. 635110



- RM-676
by:

Review from a similar Roadmaster Nighthawk All Terrain in Tow Bars


Just received my order (two days earlier than I expected)... After inspecting the various boxes; my order seems to be complete... I will absolutely be utilizing etrailer in the future and heartedly reccomend that others looking for quality trailering needs to look to etrailer for all your needs... 609482



- RM-676
by:

Review from a similar Roadmaster Nighthawk All Terrain in Tow Bars


This unit has been great and easy to use. Thanks for the follow up. 606452



- RM-676
by:

Review from a similar Roadmaster Nighthawk All Terrain in Tow Bars


Great towbar. This is my third Roadmaster towbar over the past 25+ years of RV'ing and towing Jeeps, all have been nice products. I have used this Roadmaster Nighthawk for the past year with approx. 6k miles towing our 2011 JKUR behind our 2003 Monaco Dynasty and so far I am very pleased with the purchase and product. 585224



- RM-676
by:

Review from a similar Roadmaster Nighthawk All Terrain in Tow Bars


Hired a professional shop for installation and all went well except the the light wiring gave them trouble. After a year it is easy to hitch and unhitch and tows my F 150 with ease. No problem. 583668



- RM-676
by:

Review from a similar Roadmaster Nighthawk All Terrain in Tow Bars


We love our Roadmaster Nighthawk. We tow an F150 pickup with it. It has always provided a quick hookup and disconnect. 580022



- RM-676
by:

Review from a similar Roadmaster Nighthawk All Terrain in Tow Bars


Received quickly. Looks great. Will try out later. 578612



- RM-676
by:

Review from a similar Roadmaster Nighthawk All Terrain in Tow Bars


Great towbar, works flawless to tow the jeep 554722



- RM-676
by:

Review from a similar Roadmaster Nighthawk All Terrain in Tow Bars


Super excited to use this product. Looks great and arrived sooner than expected. Love the LED lights. 548756



- RM-676
by:

Review from a similar Roadmaster Nighthawk All Terrain in Tow Bars


A great product...... easy to install.....easy to use.....As advertised..... Ordered on a Monday and received it on the 3rd day.....Its everything I was hoping it would be...Pricing was also the best......When it comes to Prices and customer service Etrailer lives up to their name....I’ll be using it on our Reneagade Explorer and 2017 Ford Edge.Thanks 543526



- RM-676
by:

Review from a similar Roadmaster Nighthawk All Terrain in Tow Bars


Easy install, received items in 1 week. 455236



- RM-676
by:

Review from a similar Roadmaster Nighthawk All Terrain in Tow Bars


Enough said... 420920


24
24

Ask the Experts about this Roadmaster Tow Bars
Do you have a question about this Tow Bar?


  • 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...
    view full answer...

  • How To Flat-Tow a 2018 Jeep JL Wrangler Using the Front Bumper
  • I do have a way for you to flat-tow your 2018 Jeep JL Wrangler Unlimited assuming the front bumper you are going to use is both approved for flat-towing and has either 3/4" thick or 1" think d-rings. However, we do not have a list of front bumpers with d-rings that can be flat-towed. I suggest you look into companies who specialize in custom front bumpers like Fab Fours etc. We do not have any for your Jeep that meet both of the above requirements. Once you find a front bumper with...
    view full answer...

  • Can Swagman Traveler XCS S64664 be used on Roadmaster Nighthawk 8k Tow Bar
  • Yes, the Swagman Traveler XCS # S64664 can attach to the shank of your Roadmaster Nighthawk Tow Bar part # RM-677. The rack will attach to the tow bar just like the ball mount you've used. I attached a picture of it attached to a very similar Roadmaster tow bar for you to check out as well.
    view full answer...

  • How To Use a Tow Bar With a Poison Spyder/Smittybilt Front Bumper on a 2018 Jeep JK Wrangler
  • I do have an option for you but the Roadmaster Direct-Connect Base Plate Kit part # RM-521448-5 is designed to be used with the factory front bumper on a 2018 Jeep JK Wrangler only. Unfortunately, Roadmaster does not test this base plate kit with aftermarket bumpers so there would be no way to confirm fit on the brands you mentioned (Poison Spyder/Smittybilt). I took a look at both the Smittybilt 76744 SRC Carbine Front Bumper and the Poison Spyder 17-59-010DBP1 Brawler Lite Front Bumper....
    view full answer...

  • High/Low Hitch Adapter to Keep Nighthawk Tow Bar RM-677 Level for Best Operation
  • Roadmaster does specify the 3-inch safe zone for tow bar height differences at the motorhome and toad ends. Really any tow bar will perform better when it is level since there will be less arm tube friction. A level tow bar will also endure less mechanical stress and it will put less stress on the base plates, the towed vehicle's frame and its suspension. Since you have invested in the Nighthawk # RM-677, one of the best tow bars available, I recommend you protect your investment...
    view full answer...

  • Should Steering Wheel of Vehicle Be Locked or Unlocked when Flat Towing
  • When flat towing a vehicle the front wheels have to be free to turn so that the vehicle can track behind the tow vehicle around corners. For more info on how to flat tow your vehicle check the owners manual of your vehicle.
    view full answer...

  • Can Rock Guard be Used in Front of 2019 Chevy Colorado Being Flat Towed
  • I took a look at the owner's manual for a 2019 Chevy Colorado and on page 315 of the online version it states "Use of a shield mounted in front of the vehicle grille guard could restrict airflow and cause damage to the transmission ... If using a shield, only use one that attaches to the towing vehicle." Due to this I strongly recommend using the Roadmaster Tow Defender Protective Screening # RM-4750 which has a mesh screen to protect the front of your Colorado and still provide air...
    view full answer...

  • Does Roadmaster Tow Defender # RM-4750 Fit Roadmaster Nighthawk Tow Bar
  • The Roadmaster Tow Defender Protective Screening # RM-4750 that you referenced does not need additional brackets to attach to the Roadmaster NightHawk part # RM-677 as it comes with all of the hardware needed.
    view full answer...

  • Can the Curt Clamp-On 3 Bike Rack be Used on a Tow Bar
  • If you have a motorhome mounted tow bar like the Roadmaster Nighthawk All Terrain Tow Bar part # RM-677 then you should not have any issues at all using the Curt Clamp-On 3 Bike Rack part # C18013. I called my contact at Roadmaster to confirm this as well. Please note that if any of your bikes have an alternative frame or deep drop tube then you are almost certainly going to need to use the Curt Bike Frame Adapter Bar part # C18016 to keep the bikes for interfering with the tow bar....
    view full answer...

  • 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.
    view full answer...

  • 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...
    view full answer...


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Info for this part was:

Written by:
Lindsey S
Expert Research:
Jameson C

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