Rota-Flex™ is a pivoting head pin box that utilizes a proprietary rubber comPound in a compression application to absorb the transfer of fore to aft motion, otherwise known as “chucking.
†This innovative design allows the fifth wheel and king pin plate to remain in a horizontal position while the vehicle and trailer pivot independently of each other.
- King Pin Coupler
- 21000 Pound Gross Weight Capacity
- Rota-Flex Pin Box
- Fits Lippert 1621 Frame Only
