Cat C12 6 Cylinder Diesel 335 hp Engine, Engine Brake, Eaton Fuller RTLO-16713A 13-Speed Manual Transmission, 12000 lb Front Axle, 40000 lb Rears, Meritor RT-40-145P Drive Axles, 3.90:1 Axle Ratio, Air Ride Cab, 60 in Mid Roof Sleeper Cab, Aluminum Wheels, 11R22.5, Air Ride Suspension, 228 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks

Detroit Diesel 425 hp Engine, Eaton Fuller 18-Speed Transmission, Differential Lock, 12000 lb Front Axle, 40000 lb Rears, 48 in Sleeper Cab