International MaxxForce 13 6 Cylinder 12.4 L Diesel 410 hp Engine, 2011 US EPA Label, Engine Brake, Eaton Fuller FOM-16E310C-LAS 10-Speed Automated Transmission, 12000 lb Front Axle, 20000 lb Rears, 32000 lb GVWR, Air Ride Cab, 11R22.5, Air Ride Suspension, 148 in Wheelbase, Dual Fuel Tanks

6 Cylinder Ultra Low Sulfur Diesel Engine, Requires Diesel Exhaust Fluid, 4898 Engine hrs, Retarder, Allison Automatic Transmission, 12000 lb Front Axle, 40000 lb Rears, 52000 lb GVWR, Air Ride Cab, 275/80R22.5 Front Tires, 295/75R22.5 Rear Tires, Air Ride Suspension, 190 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks