Cat C15 Engine, Engine Brake, Eaton Fuller 18 Speed Manual Transmission, 226" Wheel Base, 6x4, 12,000 lb. Front Axle, 46,000 lb. Rears, 58,000 lb. GVWR, Air Ride Cab, Air Ride Suspension, Double Frame, Dual Exhaust, Wet Kit, Fixed 5th Wheel, Full Rear Fenders, Sun Visor, Chrome Bumper, Air Conditioning, Cruise Control, Heated Mirrors, Dual High Back Seats, Tilt Steering Wheel, Telescopic Steering Wheel