The Hatz Bore x stroke (88 x 76 / 3.46 x 2.99) is a 0.46 L engine rated at 3000 rpm, producing up to 2.5 kW. It powers generator sets from Hatz, including the 1 B 40. It holds 1.5 L (0.4 gal) of oil and 1.59 L (0.4 gal) of coolant.
| Oil capacity | 1.5 L |
|---|---|
| Coolant capacity | 1.59 L |
| Displacement | 0.462 L |
| Rated speed | 3000 rpm |
| Gross power | 2 kW |