Cummins ISX 550 hp Engine, Engine Brake, Eaton Fuller RTLO-18918B 18-Speed Transmission, Differential Lock, 13200 lb Front Axle, 40000 lb Rears, Aluminum Wheels, 11R24.5 Front Tires, 11R24.5 Rear Tires, Air Ride Suspension, PTO, Steel Body, Electric Roll Tarp, Rear Hydraulics

Cummins ISL 6 Cylinder Diesel 365 hp Engine, Air Conditioner, Engine Brake, Allison Automatic Transmission, 20000 lb Front Axle, 34000 lb Rears, Meritor RT-44-145 Drive Axles, 5.29:1 Axle Ratio, 67200 lb GVWR, Aluminum Front Wheels, 11R22.5, Steerable Air Lift Tag Axle, Dual Steering Boxes, Chalmers Rubber over Walking Beam Suspension, 246 in Wheelbase, PTO