The Mitsubishi S4Q2.SD is a 2.5 L 4-cylinder athmo engine rated at 1500 rpm, producing up to 27.3 kW. It powers generator sets from SDMO, including the R22 and T22K. It holds 6.5 L (1.7 gal) of oil and 8.1 L (2.1 gal) of coolant.
Also known as: MITSUBISHI S4Q2.SD
| Oil capacity | 6.5 L |
|---|---|
| Coolant capacity | 8.1 L |
| Displacement | 2.5 L |
| Cylinders | 4 |
| Aspiration | Athmo |
| Rated speed | 1500 rpm |
| Gross power | 27 kW |
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | find | |||
| Fuel filter | 330560552 | PartsGeek $11.97 | |||
| Oil filter | 330560546 | PartsGeek | |||
| Belt | — | find | |||
| Coolant | 8.1 L | — | |||
| Oil | 6.5 L | — |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.
Cross-referenced via Donaldson + OEM/engine-maker interchange — options to verify against your serial number, not confirmed for every exact variant.
Other equipment known to use this engine, via filter-application cross-reference — useful for sourcing parts even when your exact machine isn't listed elsewhere on this page.
The Mitsubishi S4Q2.SD engine has an oil capacity of 6.5 liters.
The Mitsubishi S4Q2.SD has a displacement of 2.5 liters with 4 cylinders.
The Mitsubishi S4Q2.SD powers 2 generator set(s), including SDMO R22, SDMO T22K.
The Mitsubishi S4Q2.SD uses oil filter part numbers Sdmo 330560546, Mitsubishi MD162326M, Donaldson P502051.
The Mitsubishi S4Q2.SD uses fuel filter part numbers Sdmo 330560552, Mitsubishi D070001, Donaldson P551423.
The Mitsubishi S4Q2.SD uses air filter part numbers Sdmo 330570079, Sdmo 330570156, Sdmo 330570162.