The Northern Lights M673L2 is a 0.76 L 3-cylinder natural engine, producing up to 4.5 kW. It powers generator sets from Northern Lights, including the OM673L2. It holds 3.1 L (0.8 gal) of oil and 2 L (0.5 gal) of coolant.
| Oil capacity | 3.1 L |
|---|---|
| Coolant capacity | 2.0 L |
| Displacement | 0.761 L |
| Cylinders | 3 |
| Aspiration | Natural |
| Gross power | 4 kW |