Cat Diesel Engine, Engine Brake, Eaton Fuller 10-Speed Manual Transmission, 20000 lb Front Axle, 46000 lb Rears, 66000 lb GVWR, Aluminum Wheels, 425/65R22.5, Hendrickson RT/RTE Series Suspension, 252 in Wheelbase, Steel Debris Tank, Hydraulic Tailgate Locks, PTO Driven Pump, Blower