The Hatz 3-Cylinder 3H50 Engine is an ideal solution for tight spaces through an innovative downsizing approach. Hatz made its 3-cylinder 3H50 engines the lightest and most compact in its class. With a maximum output of 56 HP, these liquid-cooled engines have an excellent power-to-weight ratio. They also meet every US and overseas emission regulation, including EU Stage V, without losing power.