The Kubota D905–BG2 is a 3.15 L 6-cylinder naturally aspirated engine rated at 1800 rpm, producing up to 5.1 kW. It powers generator sets from FG Wilson, including the D905-BG2, K6-3S, K6-3S/4PP/0812/ES and K7.5-1. It holds 0.74 L (0.2 gal) of oil and 0.68 L (0.2 gal) of coolant.
| Oil capacity | 0.745 L |
|---|---|
| Coolant capacity | 0.68 L |
| Displacement | 3.15 L |
| Cylinders | 6 |
| Aspiration | Naturally Aspirated |
| Rated speed | 1800 rpm |
| Gross power | 5 kW |