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Demco Air Force One Supplemental Braking System w/ Wireless Coachlink - Air Brakes - Proportional

Demco Air Force One Supplemental Braking System w/ Wireless Coachlink - Air Brakes - Proportional

Item # DM26VR
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Retail:$1,747.00
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Tow Bar Braking Systems

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Demco Brake Systems - DM26VR
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Product Expert Mike S

Is this right for you? Product Expert Mike S says:

Yes, if you:

  • Have a motorhome with air brakes
  • Don’t have time to waste setting up a portable system before every trip
  • Like being able to easily see when the towed vehicle’s brakes are being applied

No, if you:

  • Upgrade your towed car every few years
  • Are hesitant to make any modifications to your motorhome
This truly proportional braking system uses the air pressure from your RV's brakes to apply the brakes in your towed car in the same manner. Low-profile system installs out of the way and is always at the ready. Wireless braking monitor included. Lowest Prices for the best tow bar braking systems from Demco. Demco Air Force One Supplemental Braking System w/ Wireless Coachlink - Air Brakes - Proportional part number DM26VR can be ordered online at etrailer.com or call 800-298-1624 for expert service.
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  • Reviews (162)
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Demco Tow Bar Braking Systems - DM26VR

  • Brake Systems
  • Proportional System
  • Air Brakes
  • Fixed System
  • Demco
  • One Time Set-Up
  • Power Assist Brake Compatible

This truly proportional braking system uses the air pressure from your RV's brakes to apply the brakes in your towed car in the same manner. Low-profile system installs out of the way and is always at the ready. Wireless braking monitor included.


Features:

  • Supplemental braking system applies towed vehicle's brakes in proportion to braking action of RV
    • Towed car's brakes are activated at the same time and with the same intensity as those in your motorhome
  • Truly proportional system uses the air pressure from your RV's brakes to apply the brake pedal in your car
    • Coiled air hose connects air assembly in RV to operating unit in towed car
  • No false braking
    • Coach air brakes must be activated for system to apply towed car's brakes
  • One-time setup - no need to remove or to activate each time you tow
    • Operating unit and actuating cylinder stay hidden so everything is out of your way when you are driving
      • Low-profile design of operating unit allows for more room in the engine compartment of towed car
      • System automatically functions when towed vehicle is connected to RV
  • Wireless braking monitor mounts in your RV and alerts you when the brakes are being applied in the towed car
    • Transmitter connects to reed switch on brake of towed car to ensure proper reading
    • LED lights blink and are easily visible while you are driving
    • Audio tone provides a secondary, audible alert
  • Vacuum-assisted function of towed car is activated with air from the coach brakes
    • Less force is needed to move the brake pedal in the car, resulting in more natural braking and less risk of damage
    • Compatible with vehicles that have continuous-power-assist brakes
  • Breakaway included
  • System meets FMVSS safety guidelines for motorhomes that use air brakes
  • Necessary installation components and an instructional CD included
  • Made in the USA


Specs:

  • Application: motorhomes with air brakes
    • Can accommodate air-over-hydraulic brakes - additional 1/4" DOT air line (not included) may be required
  • Coiled air hose length when fully stretched: 7'
  • Breakaway cable length when fully stretched: 7'
  • 5-Year warranty


A supplemental braking system is a must when towing a car or truck behind your RV. Without it, the weight of the towed car can create a safety hazard, strain your RV's brakes, or affect your RV's warranty. Most states require a supplemental braking system.


Automatic, Truly Proportional Braking

Air Force One is a proportional braking system. When you apply the brakes in your motorhome, the system will engage your towed car's brakes at the same time and with the same pressure as those in your motorhome, creating synchronized braking.


To achieve this proportional braking, Air Force One ties into your coach's air brakes. The patent-pending process uses air pressure from your coach's brakes to depress the brake pedal in your towed car. The result is uniform, real-time braking that mirrors the slowing or stopping action of your coach. Whether you lightly tap the brakes in your RV or apply them hard in a panic situation, your towed car's brake pedal will be applied in the same manner.


Many other proportional systems activate the towed car's brakes based solely on inertia. With this kind of setup, any activity that affects the forward momentum of your towed car - from the coach actually braking, to driving over a pothole - can activate the supplemental braking system and apply your towed car's brakes. This potential for false braking, which can occur simply from driving over uneven terrain, can create a rough ride for you in the RV and can also wear out your towed car's brakes over time. Air Force One is different, though. Because it is tied into your coach's brakes and is not dependent on inertia, this system activates only when you apply the brakes in your RV, so there is no false braking.


Permanent Installation with Concealed Components

Once you install the Air Force One system, it stays concealed and out of your way - both in the RV and in the towed car. Unlike systems that require you to keep the actuating box under the seat or in the trunk of your towed car, Air Force One does not take up valuable storage space inside of your car. And the components that install on your RV all remain hidden beneath the vehicle so that no room is taken up in its interior either. Because the entire system installs permanently, there is no need to constantly set up and remove this system. You never have to worry about where to store a bulky actuator box when you're not towing. And while most of the components do remain on your vehicle and RV at all times, none of them will interfere with normal driving or braking.


Coach Air Connection Assembly

Because Air Force One uses air to activate, it is a natural choice for diesel motorhomes that have air brakes. The coach air connection assembly taps into your RV's air brakes and delivers the air necessary to activate the towed car's brakes through the included coiled air hose. The valves on the coach air connection assembly ensure precise airflow.


Pressure Protection Valve

A 1-way check valve collects air from your RV's brake lines so that it can power your towed car's brakes. This pressure protection valve also ensures that your RV's air lines maintain the same amount of pressure so that the braking in your RV is not affected.


Relay Valves

Metered air from the coach's brakes connects to a service relay valve. This relay valve collects air from your RV's brake lines so that it can power your towed car's brakes. When you activate the brakes in your RV, the delivery relay valve releases the appropriate amount of air to the operating unit in your towed car.


The coach air connection assembly is best mounted in a location on the RV where the air lines will not be near direct heat sources or moving parts, such as in front of the rear axle.


Note: Air Force One is designed for motorhomes that have air brakes, but it will also work with RVs that have air-over-hydraulic brakes. Additional parts (not included) may be required for installation on RVs with air-over-hydraulic brakes.


Operating Unit

The operating unit, which mounts in your towed car, receives air from the coach air connection assembly. The unit then diverts a matching amount of air through a hose to the actuating cylinder that mounts on your towed car's brake pedal. That air activates the cylinder so that it applies proportionate braking pressure.


The unit goes under the hood of your towed car, so it is out of your way and always ready. Because this system is a universal fit, you can remove it from your towed car and reinstall it in a different car or truck if needed.


Actuating Cylinder

Small Cylinder

The actuating cylinder depresses your towed car's brake pedal upon receiving the air that is delivered from the operating unit. This small cylinder stays mounted on the arm of your towed car's brake pedal at all times and will not interfere with braking while driving.


Actuator on Pedal

Mount this cylinder so that it is perpendicular to the firewall when you depress the brake pedal. A clamp anchors the actuator to the firewall.


To connect the actuating cylinder to the operating unit, you will need to run the included air hose through your towed car's firewall. You can usually create the necessary, small opening without drilling. In most instances, you can cut a slit in the hood release cable grommet. Simply cut the end of the air line at an angle to poke it through the slit.


Coiled Air Hose Connection

Coiled Air Jumper

The coiled air hose, also called a jumper, connects your towed car to your RV by connecting the operating unit to the coach air assembly. When you are ready to hitch up your car and tow it, simply hook up the coiled air hose at the same time as you hook up your tow bar.


Vacuum Pressure Creates Smooth Braking

Normally, when you activate the brakes in your vehicle, a vacuum multiplies the pressure you apply to your brake pedal, creating the force necessary to stop the full weight of the moving car. On most cars and trucks, this vacuum-assist function does not work when the engine is off. As a result, many supplemental braking systems on the market have to use an excessive amount of pressure to effectively depress the towed car's brake pedal.


Air Force One reactivates the vacuum-assist function of your car's brakes when it's being towed, even though the towed car's engine is not running. As a result, the actuating cylinder does not need to apply extreme force to the brake pedal to achieve proper braking. The operating unit ties into your towed car's vacuum line with a tee so that it can use the air pressure from your RV to create the vacuum your car needs to brake gently. As a result, no additional vacuum pump is required to create the vacuum-assist function for your towed car's brake pedal. Air Force One will replenish your towed car's vacuum after each braking event so that you will get smooth, even braking every time.


Built-In Safety Features

Most supplemental braking systems have monitors that tell you when the braking system is activated, regardless of whether or not the towed car's brake pedal is actually being depressed. This means that you might receive an alert telling you that your car is braking when it really isn't. But with the Air Force One, you get Demco's wireless Coachlink monitoring system. This system ties into the reed switch on your towed car's brake so that you'll be notified only when the brake pedal is being engaged. No false notifications.


Demco Coachlink installed

The Coachlink monitor mounts in your RV, plugging easily into your 12V accessory socket for power. The built-in LEDs will illuminate to inform you when your towed car is braking. And an audible alert - which can be easily turned off, if you'd prefer - serves as a backup notification. To receive these notifications, just install the transmitter in your towed car. No additional wiring connections are needed between your car and RV as all communication happens wirelessly.


AFO Breakaway

The breakaway system ensures that your car will come safely to a stop if it accidentally detaches from the RV while you are towing. A switch mounts to the front of the towed vehicle . This switch - which is wired into the operating unit - includes a pin that connects to your RV's hitch receiver with a breakaway cable. If the car separates, the cable pulls the pin from the switch, causing a signal to be sent to the operating unit. A reserve air supply will then apply your towed car's brakes. This system also has "total coach protection" built in. If there is separation, the RV's air supply is sealed off, so its brakes will continue to function as normal.


Air Force One meets Federal Motor Vehicle Safety Standard (FMVSS) guidelines requiring that supplemental braking systems use a separate air supply and activation relay valve.



9599019 Demco SBS - (Formerly SMI) Air Force One Supplemental Proportional Braking System with Coach Link Indication System

Installation Details DM26VR Installation instructionsAlternate Instructions DM26VR Installation instructions

This Product Fits The Following Vehicles





Customer Reviews

Demco Air Force One Supplemental Braking System w/ Wireless Coachlink - Air Brakes - Proportional - DM26VR

Average Customer Rating:  4.9 out of 5 stars   (162 Customer Reviews)

This truly proportional braking system uses the air pressure from your RV's brakes to apply the brakes in your towed car in the same manner. Low-profile system installs out of the way and is always at the ready. Wireless braking monitor included.

- DM26VR
by:

Installed the AF1with Coachlink on my 2020 Ford Escape Hybrid and Winnebago Forza 34T. Couldn’t be happier & works like a charm. The included install instructions were accurate and complete.



- DM26VR
by:

Clear directions. That said, I watched etrailer videos multiple times until I was sure of what to do. My install was on a 2020 Ford Ranger and I removed the drivers seat to give me enough room as I am a large guy, old, fat and not very limber. I also removed the front bumper along with the plastic panel under the hood, mounting the unit in front of the battery. I did this in stages. One day I mounted the unit under the hood and hooked up everything in front (think air connection and breakaway switch) and the next day I did everything inside the cab of the truck. I cannot get under my RV as it is either too low, I am too fat or maybe a combination of both. I have no way to raise it. I am getting a place that works on buses and RVs to do that work for me.



- DM26VR
by:

Works well after a year with 10 trips and 5000 miles! This along with the Blue Ox makes a very easy to setup combination pulling my Jeep Wrangler.



- DM26VR
by:

Right now I am giving this 4 stars instead of 5 because we are in the process of installing it and because the pre-shipping part is really slow. Once it was gathered the product shipped really quickly so I can't blame the shipping company for the slow ship. However once we got the box everything was there and the instructions were there, as well as the videos. So far it is going toghether really nicely and everything works well. It isn't that difficult, however my husband is installing it and had his own mechanic's shop in the past and knows a great deal about that kind of work. It might be difficult for a "newby", however as long as you follow the instructions you are good to go. We are satisified and would purchase this again.



- DM26VR
by:

Same parts as other sources at a discount price. Quick delivery.



- DM26VR
by:
2015 Ford F-150

Excellent product information on their website. Shipping was extremely fast, and product was well packaged. This kit is absolutely complete. As always. It is a pleasure to do business with etrailer.com



- DM26VR
by:
2020 Ford F-150

Had what I needed in stock was delivered fast and very satisfied , will always come here first. e



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2003 Chevrolet Tahoe



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2013 Ford F-150



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2021 Jeep Grand Cherokee



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2021 Jeep Gladiator



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2020 Jeep Wrangler Unlimited



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- SM99243
by:

Review from a similar Air Force One Brake System in Tow Bar Braking Systems


AF1 is amazing so far. I did the installation by myself. I have a 2014 Honda CR-V and bought it for towing. Watching the video helped me through it. The car installation portion was pretty straight forward. The video is better than the instructions overall, but I read through the entire instructions before beginning. I was able to install the RV tank without putting the rig on a lift. Depending on how big you are and flexibility, it can be done with the RV on the ground...it just takes longer. Also, I would recommend knowing where you are going to mount your RV tank. I mounted the tank near the rear and didn’t have enough brake tube after doing the car. Picked up an extra 20 ft at Autozone or order the tube with etrailer. The customer service center is very helpful too. Many thanks to Mariah for the outstanding assistance. Finally, I would say that if you order the brackets to mount the emergency brake away for your car, you may have to cut them down with a grinder. It is so much nicer not putting the brake buddy in the car now. Looking forward to enjoying it on trips. I drove the rig about 20 miles yesterday, and the light came on and I honestly couldn’t tell the car was back there other than looking in the video and seeing the light on the car during braking. Highly recommend this unit.


Comments
5.0 Product is working great! No issues. Minor adjustment to brake cable after a year. It took 5 mins.
Darryl W - 07/28/2021


- SM99243
by:

Review from a similar Air Force One Brake System in Tow Bar Braking Systems


I ordered an Air Force One breaking system one year ago, for my 2019 Allegro Bus 45OPP, and my 2012 Honda CR-V. I paid $1080.00 with free shipping from E-Trailer. The unit arrived in perfect condition. I installed the system myself, in about three hours on the Motorhome. I had previously ordered a special hose/ tube cutter. The only part of the installation that was a little intimidating was cutting the correct air lines on the coach, however after viewing the installation video everything was made clear. The install on the Honda took about two hours, I did have to call the people at E-Trailer , but they cleared up my questions.



- SM99243
by:

Review from a similar Air Force One Brake System in Tow Bar Braking Systems


I believe the AFO is the best supplemental braking system for air brakes on the market today. Probably the most expensive also. A lot of work to install but a good system that is truly proportional and safe to use with an air brake system.



- SM99243
by:

Review from a similar Air Force One Brake System in Tow Bar Braking Systems


Product works good. No longer have to put the old box between the seat and the brake pedal and hook up to brake petal. So easy to hook up. Be sure your air hose connections are are secure. Unit does not work when one end of air hose is on the ground. I know from experience. Would suggest ordering an additional air hose just in case you need it



- SM99243
by:

Review from a similar Air Force One Brake System in Tow Bar Braking Systems


Seems to be working well. Wife and I did our own installation and it was challenging. Standing on my head under the dashboard mounting the breaking air cylinder at the brake was tough but doable. Tapping into the air brake system on our motorhome also challenging but it all appears to do the job. Glad that job is behind us.


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    The Mopar Recreational Flat Tow Wiring Kit will absolutely not be needed for your 2019 Jeep Grand Cherokee Trailhawk. This was only a requirement on a 2014 to 2018 as the tire wobble issue this was designed to combat has since been rectified. As to all the other parts you will need, the following will be some recommendations to get you on the road. One of the huge pluses with having a Jeep is they are one of the most common vehicles to flat tow. With that being said, we have install videos...
    view full answer...
  • Parts Needed to Flat Tow 2021 Chevy Silverado 1500 4x4 With Gas Engine
    We can get you all the parts needed to flat tow your 2021 Chevy Silverado 1500 4x4 that has a gas engine, and what you will need for that model is a base plate from Roadmaster, as well as a tow bar, wiring, and braking system. I'll go ahead and list out all the parts you need below: - Base Plate Kit: Roadmaster Direct-Connect Base Plate Kit # RM-523199-5 - Roadmaster Nighthawk All Terrain, Non-Binding Tow Bar # RM-676 - Wiring Kit: Roadmaster Universal Hy-Power Diode Wiring Kit...
    view full answer...

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Info for this part was:

Employee Lindsey S
Edited by:
Lindsey S
Employee Jameson C
Expert Research:
Jameson C
Employee Jacob T
Video Edited:
Jacob T
Employee Chris R
Video Edited:
Chris R
Employee Kathleen M
Installed by:
Kathleen M
Employee Dustin K
Video by:
Dustin K
Employee Jonathan Y
Video by:
Jonathan Y
Employee Shane H
Test Fit:
Shane H
Employee David F
Test Fit:
David F
Employee Clayton O
Test Fit:
Clayton O
Employee Kristina F
Written by:
Kristina F
Employee Mike S
Updated by:
Mike S
Employee Noah M
Updated by:
Noah M
Employee Eric H
Updated by:
Eric H

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