Power demanding equipment with the BILT HARD 301cc 10 horsepower gas engine designed for reliable performance in heavy duty applications. This four stroke OHV horizontal shaft engine delivers strong torque and reaches speeds up to 3800 RPM. It is suitable for compatible log splitters wood chippers air compressors and other equipment. The engine uses a 1 inch diameter shaft with a quarter inch keyway for secure installation. A large fuel tank provides up to 4 hours of operation at 50 percent load. Forced air cooling and automatic low oil shutdown help protect the engine during demanding use