Cummins ISM 10.8 L Ultra Low Sulfur Diesel Engine, 2007 US EPA Label, Air Conditioner, Cruise Control, Allison 4500 Automatic Transmission, Differential Lock, 18180 lb Front Axle, 40000 lb Rears, Paccar Drive Axles, 4.63:1 Axle Ratio, 58000 lb GVWR, 425/65R22.5 Front Tires, 11R22.5 Rear Tires, Paccar Spring Suspension, 192 in Wheelbase, PTO, Heil 26 cyd Capacity Collection Body