Cat C15 14.6 L Diesel Engine, Eberspacher Engine Coolant Heater, Engine Brake, Eaton Fuller 18-Speed Manual Transmission, Differential Lock, 40 in Mid Roof Sleeper Cab, Aluminum Wheels, 11R24.5 Front Tires, 11R24.5 Rear Tires, Air Ride Suspension, PTO, Wet Kit, Air Sliding 5th Wheel, Dual Fuel Tanks