Cummins B6.7 6 Cylinder 6.7 L 250 hp Engine, 2018 US EPA Label, Requires Diesel Exhaust Fluid, 5636 Engine hrs, Allison 2500 5-Speed Automatic Transmission, 10000 lb Front Axle, 19000 lb Rears, 4.63:1 Axle Ratio, 25999.0 lb GVWR, 295/75R22.5, Air Ride Suspension, 272 in Wheelbase, SMYRNA TRUCK 26 ft x 102 in Wide x 102 in High Body, Liftgate