Cummins ISC 260 6 Cylinder 8.3 L Ultra Low Sulfur Diesel Engine, US EPA Label, Allison 3000HS Automatic Transmission, 12000 lb Front Axle, 21000 lb Rears, 4.88:1 Axle Ratio, 33000 lb GVWR, Aluminum Outer Wheels, 11R22.5, Air Ride Suspension, 189 in Wheelbase, PTO, 14 ft Body, IMT 6025 1050 lb Hydraulic Crane, da35 10 cfm Hydraulic Air Compressor, Air Hose Reel