YANMAR 3TNM74F - 23.9HP @ 3600 RPM - EPA FINAL TIER 4 - Industrial Diesel Power Unit Complete with: Radiator, Fan Guard, Radiator Hoses, Exhaust Muffler, Air Cleaner, Engine Support Legs, Control Panel, Safety Shutdown System, Throttle, Oil and Fuel Filters, SAE 5 Rear Housing, SAE 6.5"" Flywheel Owner's Manual, and Shop Tested.