Cat C13 ACERT Diesel Engine, Engine Brake, Eaton Fuller 8LL Speed Manual Transmission, 280" Wheel Base, 6x4, 20,000 lb. Front Axle, 46,000 lb. Rears, 66,000 lb. GVWR, Air Ride Cab, Spring Type Suspension, Sun Visor, Chrome Bumper, Dual Exhaust, Chrome Exhaust, Air Conditioning, Cruise Control, Power Mirrors, Heated Mirrors, Air Ride Drivers Seat, Tilt Steering Wheel, Aluminum Fuel Tanks