Paccar MX-13 6 Cylinder 12.9 L Diesel 340 hp Engine, 2020 US EPA Label, Requires Diesel Exhaust Fluid, Aluminum Wheels, 425/65R22.5, 3 Steerable Air Lift Pusher Axle, Trailing Tag Axle, Double Frame, Air over Walking Beam Suspension, 270 in Wheelbase, OX Bodies 16 ft Long x 5 ft High Steel Body, Electric Roll Tarp, Rear Hydraulics