Detroit Series 60 6 Cylinder 14.0 L Diesel 425 hp Engine, Allison 4500 Automatic Transmission, Differential Lock, 13220 lb Front Axle, 24020 lb Rears, Meritor RS-30-185 Drive Axles, 6.14:1 Axle Ratio, 37240 lb GVWR, Air Ride Cab, 315/80R22.5 Front Tires, 11R22.5 Rear Tires, Spring Suspension, 241 in Wheelbase, PTO, Front Mounted, 3 Section Boom, Straight Down Outriggers, 17 ft x 96 in Bed