6 Cylinder Diesel Engine, Air Conditioner, Cruise Control, Allison Automatic Transmission, 12000 lb Front Axle, 32000 lb Rears, 32000 lb GVWR, Air Ride Cab, 11R22.5 Front Tires, 11R22.5 Rear Tires, Air Ride Suspension, 159 in Wheelbase, Dual Fuel Tanks

Cat C15 6 Cylinder Diesel Engine, Air Conditioner, Cruise Control, Engine Brake, Eaton Fuller Manual Transmission, 12000 lb Front Axle, 51020 lb Rears, 3.90:1 Axle Ratio, 62000 lb GVWR, Air Ride Cab, Aluminum Front Wheels, 12R22.5, Steerable Air Lift Pusher Axle, Air Ride Suspension, 241 in Wheelbase, Air Sliding 5th Wheel

Cat 6 Cylinder Diesel Engine, Air Conditioner, Cruise Control, Engine Brake, Eaton Fuller 18-Speed Manual Transmission, 12000 lb Front Axle, 51020 lb Rears, 3.90:1 Axle Ratio, 62000 lb GVWR, Air Ride Cab, Aluminum Wheels, 12R22.5 Front Tires, 11R22.5 Rear Tires, Steerable Air Lift Pusher Axle, Air Ride Suspension, 243 in Wheelbase, Air Sliding 5th Wheel