Lifan LF2V78-2DQT Industrial Grade 22 HP 688cc V-Twin 4-Stroke OHV Engine with Electric Start and 1-1/8-Inch Shaft Industrial grade gasoline V-Twin OHV engine with 1.125" output keyway shaft Low oil engine shutdown protection Oil cooler and horizontal mount muffler included Electric start Replaces Honda, Briggs, Kohler, and other brands; EPA certified