Cummins ISB 6 Cylinder 5.9 L Diesel 300 hp Engine, Air Conditioner, Cruise Control, Allison 2500 Automatic Transmission, 12000 lb Front Axle, 23000 lb Rears, Spicer Drive Axles, 5.38:1 Axle Ratio, 33000 lb GVWR, 11R22.5, Airliner Air Ride Suspension, 147 in Wheelbase, Deutz Auxiliary Engine, Regenerative Air, Dual Controls, Front Spray Bar, 72 in Rear Broom, Gutter Brooms, Water System, Hydraulic Dump