6 Cylinder Dual Fuel Engine, Engine Brake, Eaton Fuller Manual Transmission, Differential Lock, 12000 lb Front Axle, 40000 lb Rears, Air Ride Cab, 82 in Mid Roof Sleeper Cab, Bunk Beds, Aluminum Outer Wheels, 11R22.5, Airliner Air Ride Suspension, 264 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks

Detroit DD15 Diesel 560 hp Engine, Engine Brake, Eaton Fuller Automatic Transmission, Differential Lock, 12500 lb Front Axle, 46000 lb Rears, 40 in Flat Top Sleeper Cab, Air Ride Suspension, 244 in Wheelbase