Aceup 4.4HP Gas Engine Vertical Shaft for Lawn Mowers, 173cc

The Aceup Energy Gas Engine is a 4-stroke, air-cooled OHV motor with a shaft diameter of 7/8 inches and a length of 3.16 inches. It includes an enrichment pump drive with a primer; press the red primer 3-5 times for first or normal cold starts; no pressing is needed for a hot engine restart. This small engine showcases optimal performance with a maximum load speed between 2500 and 2800 RPM, achieving a peak power of 4.4 HP at 3600 RPM and a maximum torque of 8.5 N·m. Built with metal cams, forged crankshafts, and cast iron cylinder liners, it ensures longevity and superior performance. All engines are functionally tested to guarantee quality before leaving the factory and comply with EPA standards. Additionally, the product is backed by a 1-year limited warranty under normal use and includes FREE lifetime technical guidance from experts.