Jost fifth wheels for T680

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Kenworth T680 on-highway trucks now come standard with the Jost JSK37USB fifth wheel.

The fifth wheel actually has just four moving parts, with a simple mechanism that allows infinite adjustments, rather than the restricted motion associated with notched adjustments. Wear adjustments are easily made with a single screw, the company adds.

Maintenance and minor rebuilds can also be performed without removing the fifth wheel from the chassis.

There’s a 60-lb.-pull-force handle, and a five-year warranty on the cast ductile iron top plates.

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John G. Smith is Newcom Media's vice-president - editorial, and the editorial director of its trucking publications -- including Today's Trucking, trucknews.com, and Transport Routier. The award-winning journalist has covered the trucking industry since 1995.


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