Cat C15 14.6 L Diesel Engine, Air Conditioner, Cruise Control, Engine Brake, Manual Transmission, Differential Lock, 1200 lb Front Axle, 38000 lb Rears, 3.55:1 Axle Ratio, 48000 lb GVWR, 52 in Mid Roof Sleeper Cab, 11R24.5 Front Tires, 11R24.5 Rear Tires, Double Frame, Air Ride Suspension, PTO, 13 ft Long x 3 ft High Steel Body, Manual Roll Tarp