The Hatz 1D 81C is an 8.9 kW prp unit with a 9.6 kW standby output rate. This uses a diesel engine with a 4 strokes-cycle setup and a direct injection format that uses 3.25 liters of fuel per hour. This is air-cooled and uses a 12V electrical link while using a dry air cleaner, mechanical governor and guards around all moving and heated parts. There is one vertical cylinder used in this smaller engine and it uses a displacement of around 0.667L.