For diesel pushers and other air brake motorhomes. It is the cheapest way here to get proportional braking.
Amazon $960.78The Roadmaster BrakeMaster 9160 is the better tow bar overall, rated 4.3 to 4.2. The Roadmaster BrakeMaster 9160 leads on warranty and price. The Demco Air Force One wins on features. The Roadmaster BrakeMaster 9160 costs $363.03 less ($960.78 vs $1,323.81).
For diesel pushers towing one car. It is a well rounded installed brake for air brake coaches.
Amazon $1,323.81Prices were last checked November 3, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Roadmaster BrakeMaster 9160 for warranty (limited lifetime warranty vs 5-year warranty) and price ($960.78 vs $1,323.81).
- Choose the Demco Air Force One for features (breakaway included, motorhome monitor included vs breakaway included).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every brake tow bar; a clear win is highlighted. How we rank explains each one.
| Factor weight | Roadmaster BrakeMaster 9160 | Demco Air Force One |
|---|---|---|
| Overall rating | 4.3/5 | 4.2/5 |
| Price 25% | 92 $960.78 | 52 $1,323.81 |
| Capacity or braking 20% | 100 proportional braking | 100 proportional braking |
| Weight or install 15% | 50 install type not published (neutral score used) | 100 stays installed in the car |
| Features 20% | 50 breakaway included | 100 breakaway included, motorhome monitor included |
| Warranty 20% | 100 limited lifetime warranty | 44 5-year warranty |
Specifications
| Roadmaster BrakeMaster 9160 | Demco Air Force One | |
|---|---|---|
| Tow bar | ||
| Type | Supplemental brake | Supplemental brake |
| Braking | ||
| Proportional | Yes | Yes |
| Install | - | Installed |
| Breakaway included | Yes | Yes |
| Motorhome monitor | - | Yes |
| Motorhome brakes | Air brakes | Air brakes |
| Build | ||
| Weight | 3.8 lb | - |
| Warranty | Limited lifetime | 5 years |
