Cat C13 Ultra Low Sulfur Diesel Engine, Air Conditioner, Cruise Control, Power Windows, Meritor Manual Transmission, 12,000 lb. Front Axle, 23,000 lb. Rears, 35,000 lb. GVWR, Air Ride Cab, 295/75R22.5 Front Tires, 295/75R22.5 Rear Tires, Air Ride Suspension, 161 in. Wheelbase

Cat C12 6 Cylinder Diesel Engine, 14388 Engine hrs, Eaton Fuller 10-Speed Transmission, 12000 lb Front Axle, 40000 lb Rears, 52000 lb GVWR, Air Ride Cab, Aluminum Outer Wheels, 11R22.5, Airliner Air Ride Suspension, 160 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks