The Jost JSK37 12-inch inboard air slide fifth wheel is now standard on the Peterbilt Model 579 effective Jan. 1, the company announced Tuesday. The base of the new Jost JSK37 inboard slider is 23 ...

Peterbilt has named the Jost JSK37 12-inch inboard air slide fifth wheel as standard on its Model 579 Class 8 truck, according to a Jan. 22 press release from Jost. The standardization became ...

Peterbilt has made the Jost JSK37 inboard air slide fifth wheel standard equipment on its Model 579 Class 8 truck, Jost says. The base of the new slider is 23 lbs. lighter than previous models, ...

Peterbilt Model 579 trucks will now come standard with Jost JSK37 12-inch inboard air slide fifth wheels. The inboard slider is 23 lb. lighter than previous models, and Jost refers to other benefits ...

While fifth wheel assemblies likely aren't the first component you consider when spec'ing a truck for your operation, they're critical in hauling payload. And bold new innovations are on the horizon.

Peterbilt Model 579 trucks will now come standard with Jost JSK37 12-inch inboard air slide fifth wheels. The inboard slider is 23 lb. lighter than previous models, and Jost refers to other benefits ...

Between higher fuel prices and added weight on new vehicles as a result of heavier emissions control equipment, truck operators have become more weight conscious than ever when specifying components.

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 ...

Volvo Trucks said that fifth wheel coupling devices from Jost International will now be standard equipment on Volvo VN and VHD tractors manufactured at its Dublin, Va., plant, which assembles all ...

6000 Series: vertical load, 50,000 lb.; drawbar, 150,000 lb. 7000 Series: vertical load, 55,000 lb.; drawbar, 150,000 lb. H5092 Series: vertical load, 62,500 lb ...