This HATZ diesel engine runs on a 4 strokes-cycle with a direct injection type. Model 1D 81C has a natural aspiration, one vertical cylinder and a rated output of 8.9 kW prp or 9.6 kW on standy. It works on an air cooling system with a displacement of 0.667 L. The bore and stroke sizes are 100 x 85 mm. The engine uses lube oil CCMC-D4-D5-PD2/API CD-CE-CF-CG/SHPD.
The total oil capacity is 1.9 L and the lube oil consumption is 1% of the fuel consumption for a full load. The air cooled diesel engine has a 12V electrical system, a mechanical governor, a dry air cleaner (medium duty), hot components and radiator guards, and mobile components guards.