Kenworth announced Friday that the Jost JSK37USB fifth wheel now comes standard on the Kenworth T680, the company’s flagship on-highway tractor. Kenworth says Jost’s mechanism allows infinite ...
As the chief fastener attaching tractor to trailer, a fifth wheel plays a fundamental role in the safety and maneuverability of combination vehicles. Unfortunately, this “alpha part” status often gets ...
Kenworth is making the Jost JSK37USB fifth wheel, featuring only four moving parts, standard in its T680 on-highway truck. Jost’s simple mechanism allows infinite adjustments versus notched ...
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