Cummins ISX 6 Cylinder 15 L Diesel 485 hp Engine, 2007 US EPA Label, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Eaton Fuller RTO-16908LL 8LL Manual Transmission, 12000 lb Front Axle, 40000 lb Rears, 52000 lb GVWR, Air Ride Cab, 36 in Flat Top Sleeper Cab, 11R22.5, Air Trac Air Ride Suspension, 231 in Wheelbase, PTO, Dual Fuel Tanks