This B&W RVB3500 Replacement Base is designed to fit the Companion 5th Wheel Trailer Hitch. This Base Only is part of the Companion Hitch that utilizes the B&W Turnoverball Under-Bed Mounting System.
The B&W Companion 5th Wheel Hitch is designed to give you a hitch when you need it and a level bed when you don’t.
NOTE: This is the hitch base only.
• Gross Towing Weight: 20,000 lbs.
• Vertical Load Limit: 5,000 lbs.
• Attaches utilizing the Turnover Ball under-bed mounting system
• Easily convert from hitch to level bed
• Requires no mounting rails to secure the hitch to the bed
• Adjustable pivot arms let you mount hitch head (sold separately) to fit your application
• Vibration dampening bushings provide a quiet, rattle-free towing experience
• Adjustable foot pads that fit in the recesses of the bed
Before You Order
Confirm your truck is equipped with a B&W Turnoverball under-bed system and that you have the separate Companion hitch head; this base is rated 20,000 lb gross and 5,000 lb vertical.
Frequently Asked Questions
Does this base need above-bed mounting rails?
The listing says it attaches to the Turnoverball under-bed system and requires no mounting rails.
What is included in this listing?
It is the Companion base only; the hitch head is listed separately.



