Cummins ISC 6 Cylinder Diesel Engine, Requires Diesel Exhaust Fluid, 12633 Engine hrs, Engine Brake, Eaton Fuller RT-8908LL 8LL Manual Transmission, 16000 lb Front Axle, 40000 lb Rears, Spicer DSP41 Drive Axles, 4.11:1 Axle Ratio, 56000 lb GVWR, Air Ride Cab, 315/80R22.5 Front Tires, 11R22.5 Rear Tires, Hendrickson RT/RTE Series Spring over Walking Beam Suspension, 270 in Wheelbase, PTO, Front Mounted, A-Outriggers, 22 ft x 96 in Bed