Cummins ISX15 6 Cylinder 15 L Diesel 500 hp Engine, Eaton Fuller 8LL Manual Transmission, Double Differential Locks, 20000 lb Front Axle, 46000 lb Rears, 80000.0 lb GVWR, Air Ride Cab, 425/65R22.5 Front Tires, 11R24.5 Rear Tires, Steerable Air Lift Pusher Axle, Dual Steering Boxes, Double Frame, Air Ride Suspension, 250 in Wheelbase, PTO, Hydraulic System, BEAU -ROC 17 ft 5 in Long x 5 ft High Steel Body, Flat Bed, Electric Roll Tarp