Volvo Trucks will now use fifth wheels from Jost International as standard equipment on its VN and VHD tractors. The Jost fifth wheel design employs a spring-loaded steel locking bar that automatically secures the kingpin once it slides into position. The Jost design also requires just 60 lbs. of pulling force to position or disconnect. Volvo Trucks also continues to offer the Jost cab actuated air release as an option.
Volvo Trucks North America