The Mitsubishi S6A3-PTAA-S is a 18.6 L 6-cylinder turbocharged and air-to-air cooling system engine rated at 1500 rpm, producing up to 430 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.
Maintenance schedule
| Item | Spec | Capacity | Part # | Interval | |
|---|
| Air filter | Air filter, paper element type | | — | | |
| Fuel filter | Fuel filters, full flow paper element | | — | | |
| Oil filter | Lubricating oil filter, full flow paper element | | — | | |
| Battery | Battery Charger | | — | | |
| Belt | Jacket water pump, gear driven | | — | | |
| Coolant | Cooling fan air flow restriction | 45.0 kPa | — | | |
| Oil | Lubricating oil cooler | 80.0 l | — | | |
| Spark plug | | | — | | |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.
Common questions
What is the oil capacity of the Mitsubishi S6A3-PTAA-S?
The Mitsubishi S6A3-PTAA-S engine has an oil capacity of 80.0 liters.
What is the displacement of the Mitsubishi S6A3-PTAA-S?
The Mitsubishi S6A3-PTAA-S has a displacement of 18.6 liters with 6 cylinders.
Which generators use the Mitsubishi S6A3-PTAA-S engine?
The Mitsubishi S6A3-PTAA-S powers 4 generator set(s), including Mitsubishi M550, Mitsubishi MGS0500B, Mitsubishi MGS0500C, Mitsubishi MGS0500C-H5E.