The Mitsubishi S6A3-PTAA-S is a 18.6 L 6-cylinder turbocharged and air-to-air cooling system engine, producing up to 500 kW. It powers generator sets from Mitsubishi, including the M550, MGS0500B, MGS0500C and MGS0500C-H5E. It holds 80 L (21.1 gal) of oil and 45 L (11.9 gal) of coolant.
| Oil capacity | 80.0 L |
|---|---|
| Coolant capacity | 45.0 L |
| Displacement | 18.6 L |
| Cylinders | 6 |
| Aspiration | turbocharged and air-to-air cooling system |
| Gross power | 500 kW |