Paccar PX9 6 Cylinder 8.9 L Diesel 350 hp Engine, US EPA Label, Positive Air Shutoff, Allison 3000 Automatic Transmission, Double Differential Locks, 19995 lb Front Axle, 39990 lb Rears, Spicer DSP41 Drive Axles, 5.57:1 Axle Ratio, 59984 lb GVWR, Air Ride Cab, Aluminum Wheels, 425/65R22.5 Front Tires, 11R24.5 Rear Tires, Dual Steering Boxes, Double Frame, Air Trac Air Ride Suspension, 195 in Wheelbase, PTO, Cancade 15 ft Long x 4 ft High Steel Body, Electric Roll Tar ...