JOST
Trailerbodybuilders 11075 Jost Fifth Wheel 0
Trailerbodybuilders 11075 Jost Fifth Wheel 0
Trailerbodybuilders 11075 Jost Fifth Wheel 0
Trailerbodybuilders 11075 Jost Fifth Wheel 0
Trailerbodybuilders 11075 Jost Fifth Wheel 0

Peterbilt makes JOST fifth wheel standard on Model 579s

Jan. 23, 2019
Peterbilt recently selected the JOST JSK37 12-inch inboard air slide fifth wheel as a standard item on its Model 579 Class 8 truck.

Peterbilt recently selected the JOST JSK37 12-inch inboard air slide fifth wheel as a standard item on its Model 579 Class 8 truck.

The base of the new JOST JSK37 inboard slider is 23 pounds lighter than previous models, JOST said, allowing for “increased payloads and higher profitability” for fleets.
 
“We are pleased that Peterbilt has made the lightweight slider JSK37 standard on their Model 579 trucks,” said George Smith, senior account manager for JOST International. “In addition to the weight savings Peterbilt customers will realize, they will also experience other benefits of JOST fifth wheels that include ease of use, infinite adjustment possibilities and reliability.”
 
JOST says its fifth wheels are the “simplest and safest” design in the market, with only four moving parts. The positive coupling design helps ensure a true connection. Upon contact, the spring-loaded steel locking bar slides into position, securing the kingpin.

JOST offers a five-year warranty on all of its cast ductile iron top plates.
 

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