Aceup Energy 4.4HP 173cc 4-Stroke Gas Engine Vertical Shaft Motor for Lawn Mower

This 4.4HP 173cc 4-stroke OHV gas engine runs at 3600 RPM and features a 7/8" diameter vertical shaft (3.16" long, end tapped with 3/8"-24 UNF, 3/16" keyway). It includes a recoil start and primer enrichment pump for easy starting. Built with metal cams, forged crankshaft, and cast iron cylinder liner, this engine delivers excellent performance and long service life. The 0.9-gallon fuel tank provides steady power, and every unit is factory-tested for quality assurance. Gasoline class #87 or up is preferred.

Enrichment Pump Drive with Primer. The gasoline engine has a powerful 4.4HP horsepower with a displacement of 173cc and 3600 RPM, providing you with strong power to ensure that you can get the job done quickly and easily. Built-in forced air cooling system and ventilated heat sinks keep the engine cool, providing high reliability and durability. For instructions on operating the engine, please refer to the product video; If have any questions, please feel free to tell us.