Andersen Ultimate 5th Wheel Rail Mount
A light rail mount hitch for short and long bed trucks, for owners who want to pull the head out between trips.
Amazon $839.98$839.98
The Andersen Ultimate 5th Wheel Rail Mount is the better fifth wheel hitch overall, rated 4.3 to 3.8. The Andersen Ultimate 5th Wheel Rail Mount leads on price. The B&W Companion OEM 25K wins on features and capacity. The Andersen Ultimate 5th Wheel Rail Mount costs $659.02 less ($839.98 vs $1,499).
B&W Companion OEM 25K
For 2020 and newer GM HD long bed owners with the factory puck prep who tow heavy fifth wheels.
Amazon $1,499$1,499
Prices were last checked November 2, 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 Andersen Ultimate 5th Wheel Rail Mount for price ($839.98 vs $1,499).
- Choose the B&W Companion OEM 25K for features (full articulation, adjustable height, lockable vs full articulation, short bed ready) and capacity (25,000 lb gross trailer weight vs 24,000 lb gross trailer weight).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every over 20,000 lb fifth wheel hitch; a clear win is highlighted. How we rank explains each one.
| Factor weight | Andersen Ultimate 5th Wheel Rail Mount | B&W Companion OEM 25K |
|---|---|---|
| Overall rating | 4.3/5 | 3.8/5 |
| Price 25% | 100 $839.98 | 50 $1,499 |
| Capacity 20% | 40 24,000 lb gross trailer weight | 50 25,000 lb gross trailer weight |
| Weight 15% | 100 40 lb head | 50 hitch weight not published (neutral score used) |
| Features 20% | 60 full articulation, short bed ready | 75 full articulation, adjustable height, lockable |
| Warranty 20% | 100 limited lifetime warranty | 100 limited lifetime warranty |
Specifications
| Andersen Ultimate 5th Wheel Rail Mount | B&W Companion OEM 25K | |
|---|---|---|
| Capacity | ||
| Gross trailer weight | 24,000 lb | 25,000 lb |
| Pin weight | 4,500 lb | 6,250 lb |
| Head | ||
| Mount | Rails (or puck kit) | OEM puck |
| Jaw | Kingpin coupler | Dual jaw |
| Articulation | Fore, aft and side to side | Fore, aft and side to side |
| Adjustable height | - | Yes |
| Height | - | 17 to 19 in |
| Short bed ready | Yes | No |
| Lockable | - | Yes |
| Build | ||
| Head weight | 40 lb | - |
| Warranty | Limited lifetime | Limited lifetime |