John L. Hruska ordered this 2020 Kenworth W900L new, and the shop mechanics at his Windber, Pennsylvania-based Diesel Transport have made a number of modifications on the truck, he says. Under the hood is a Cummins ISX with an Eaton 18-speed. The rig is used to haul petroleum and petroleum additives, along with elevated temperature materials. Diesel Transport's parent company is John Hruska Trucking. Hruska is a second-generation owner-operator, as his father started the business in 1947.
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