Isuzu 3CH1SDZP1 - 23.9HP @ 3000 RPM - EPA FINAL TIER 4 - Industrial Diesel Power Unit Complete with: Mechanical Fuel System, Radiator, Fan Guard, Radiator Hoses, Exhaust Muffler, Air Cleaner, Engine Support Legs, Steel Rail Skid, ML Control Panel (Indicator lights, Hour Meter, & Key Switch), Safety Shutdown System, Throttle, Oil & Fuel Filters, 12 Volt Electrics, Electric Fuel Pump, SAE 5 Rear Housing, Owner’s Manual, and Shop Tested.