BILT HARD Gas Engine Vertical Shaft, 173cc 4.4 HP 4-Stroke Gas Motor, Replacement Engine for Lawn Mower, EPA & CARB Compliant

Unleash Dynamic Energy – Embrace the strength of a 173cc displacement 4-stroke vertical cylinder gas engine, boasting remarkable torque of 6.64 ft.lbs @2500 RPM. Capable of reaching a maximum speed of 3600 RPM, it is equipped with a staggering 4.4 maximum horsepower, all fueled by a 0.26-gallon tank.
Precision Shaft Specifications – Dive into the specifics of our engine with a 7/8-inch diameter shaft measuring 3.16 inches in length. The end is meticulously tapped with 3/8-inch – 24 UNF threads, further enhanced by a 3/16-inch keyway. The mounting pattern spans 8 inches, whilst the engine features a 3/8″-24 UNF tapped hole and a 0.079 x 0.34-inch through-hole.
Safety at the Forefront – Safety is paramount, evident in the built-in Force Air-Cooled, Splash Lubrication System, and Low oil shutoff function. Our engine spark plug system contains RA6HC/DCPR7E/DK7PTC spark plugs, offering a clearance of 0.027-0.031 inches. This engine is the very best replacement for your lawnmower, ensuring a blend of power and security.
Vital Note – Kindly note that our engine is shipped dry to verify freshness. Before starting, make sure you add gasoline and engine oil appropriately (please note, oil isn’t included).
Certified Excellence – EPA and CARB Compliant. Our gas engine meets the highest standards of quality and compliance, proudly bearing both EPA and CARB certifications. Rest assured, each and every engine undergoes Oil Testing before packaging, so it’s going to have a slight oily touch, signifying its 100% new condition.