Mack MP7 6 Cylinder Ultra Low Sulfur Diesel Engine, US EPA Label, Air Conditioner, Cruise Control, Exhaust Brake, Mack Manual Transmission, 18740 lb Front Axle, 44000 lb Rears, 62000 lb GVWR, Air Ride Cab, Aluminum Wheels, 425/65R22.5 Front Tires, 11R24.5 Rear Tires, 3 Air Lift Pusher Axles, Dual Steering Boxes, Spring Suspension, 272 in Wheelbase, PTO, 17 ft 9 in Long x 36 in High Steel Body, Round Bottom