This PREDATOR® Max Performance 6.6 HP (224cc) OHV Horizontal-Shaft Gas Engine has precision-engineered components to provide smooth and quiet operation plus up to 10% more output than standard engines. The horizontal shaft is ball-bearing mounted for long life and efficient output. The universal mounting pattern makes it the perfect replacement engine for pressure washers, cement mixers, compressors, log splitters, mowers, vacuums, tillers, water pumps, chipper/shredders, generators, blowers.