Truck has a Cummins ISX motor, 1,007,758 miles, 28,140 hours. 3 stage jake brake, air suspension, 10 speed automatic transmission, excellent tires, aluminum rims, steel fenders made professionally from tread plate, 100 gal aluminum fuel tank, and heat and air work good. Regularly serviced. Potential issue with turbo, did not diagnosed due to upgrading trucks. 785-434-7120