Mack MP7-325M 6 Cylinder 10.8 L Ultra Low Sulfur Diesel 325 hp Engine, 2015 US EPA Label, Requires Diesel Exhaust Fluid, 18322 Engine hrs, Engine Brake, Allison Automatic Transmission, 20000 lb Front Axle, 57200 lb Rears, 64000 lb GVWR, Air Ride Cab, Aluminum Wheels, 425/65R22.5 Front Tires, 11R22.5 Rear Tires, Air Lift Pusher Axle, Dual Steering Boxes, Double Frame, Camelback Spring Suspension, 241 in Wheelbase, PTO, 131 in Cab to Axle, 206 in Cab to End of Frame