BILT HARD 420cc OHV Gas Engine is built for power, durability, and long-lasting performance. Featuring upgraded engineering and a rugged cast iron cylinder, this engine is designed to withstand heavy wear while delivering maximum torque of 19,56 ft.lbs at 2500 RPM. With a 3.5-in x 2.6-in bore and stroke, 8.2:1 compression ratio, and a max speed of 3600 RPM, it’s perfect for garden tractors, golf cart conversions, airboats, wood chippers, pelletizers, and agricultural equipment. User-friendly controls ensure easy starting, while the low oil sensor protects the engine by automatically shutting down when oil levels are too low. Fully EPA compliant and built with a 1-in shaft diameter and 3.48-in shaft length, this engine is reliable and ready for demanding applications. Not recommended for generator conversion.
420cc 4-stroke gas engine delivers 15 maximum horsepower and 18,45 ft lbs of torque at 2500 RPM.
Built with industrial-grade standards, it features a max speed of 3800 RPM and a 1,2-gal fuel tank for reliable power.
The shaft is 1-in in diameter and 3,48-in long, end tapped 3/8-in 24 UNF, with a 1/4-in keyway and durable mounting pattern.
Designed for quiet operation, this engine supports Torch F6TC spark plugs with 0,027–0,031-in clearance.
Forced air cooling and splash lubrication systems ensure safe, extended engine use under tough conditions.
Low oil shutdown prevents damage, making it ideal for cement mixers, water pumps, tillers, and more.
EPA-compliant engine includes a 90-day warranty and is a great replacement for GX340, GX390, CH440, MZ360, and similar models.
