The B&W Hitches RVB3055 is the heavy-duty steel floor mount base designed specifically for use with the B&W Companion 5th wheel hitch head. If you already own -- or are upgrading to -- a B&W Companion OEM-style hitch, this base gives you a rock-solid, low-profile mounting platform directly to your truck bed. No wobble, no flex, and no compromise on towing confidence when you are hauling a heavy fifth wheel trailer down the highway.
The Companion series from B&W Hitches is one of the most respected 5th wheel hitch lines in the RV aftermarket, and the RVB3055 base is a critical part of that system. The base mounts to the truck bed floor using the existing puck-style or rail system (depending on your truck configuration), and accepts the B&W Companion hitch head directly -- no adapter plates, no improvised hardware.
Weighing in at 52.3 lbs and measuring 19.5 x 10 x 7.5 inches, this base is purpose-built to sit low in your truck bed, preserving as much usable bed height as possible while keeping the coupling point at the correct elevation for safe 5th wheel towing. The compact footprint means less interference with gear storage alongside the hitch.
Designed exclusively for the B&W Companion hitch head family -- no universal fitment guesswork. Head and base lock together as an engineered system.
Solid steel fabrication with a durable finish handles the stress of loaded 5th wheel towing mile after mile without flexing or fatiguing.
Floor-mount design sits as low in the bed as possible, reducing the overall hitch height and improving king pin approach angle on many trailer setups.
Compact 19.5 x 10 inch footprint leaves usable space on either side of the hitch for cargo, leveling blocks, or tow accessories.
B&W offers the Companion hitch in several configurations -- OEM puck-system mounts for Ford, GM, Ram, and Nissan trucks, as well as traditional rail-based setups. The RVB3055 is the floor mount base component, sold separately from the hitch head. This allows owners to replace or upgrade just the base without purchasing a complete hitch assembly, and it also allows dealers and installers to stage components for custom builds.
If you are replacing a worn or damaged base, or if you are building out a Companion hitch setup from components, the RVB3055 mates with B&W Companion heads including the BWRVK3500 and related Companion OEM models. Always verify that your specific hitch head part number is listed as compatible with this base before ordering.
The RVB3055 base is designed for floor-mount installation in full-size pickup trucks. It is intended for use with trucks that are equipped with -- or can be adapted for -- the B&W Companion mounting system. Common compatible trucks include:
Verify your truck's bed configuration and whether it uses the factory puck system or a rail/bracket adapter before ordering. The base itself must be paired with the appropriate mounting hardware for your specific truck bed.
Installation of the RVB3055 base involves mounting to the truck bed floor using the B&W puck-system receivers or compatible rail brackets. The base is designed for straightforward installation with common hand tools, though a torque wrench is recommended for final fastener tightening to spec. Two people are recommended for positioning the 52.3 lb base in the truck bed.
B&W Trailer Hitches is a U.S.-based manufacturer with decades of experience building towing products for working trucks and serious towers. The Companion 5th wheel hitch line is manufactured in Humboldt, Kansas, and is known for a tight-tolerance king pin jaw, durable powder-coat finish, and a modular design that makes component replacement practical. B&W's Companion heads consistently earn high ratings for smooth operation and jaw engagement reliability.