The Hatz Bore x stroke (80 x 69 / 3.15 x 2.72) is a 0.35 L engine rated at 3000 rpm, producing up to 2.2 kW. It powers generator sets from Hatz, including the 1 B 30. It holds 1.1 L (0.3 gal) of oil and 1.16 L (0.3 gal) of coolant.
| Oil capacity | 1.1 L |
|---|---|
| Coolant capacity | 1.16 L |
| Displacement | 0.347 L |
| Rated speed | 3000 rpm |
| Gross power | 2 kW |