The Komatsu SA6D125E-2 is a 11.04 L 6-cylinder turbocharged, air-to-air after-cooled engine rated at 1800 rpm. It powers generator sets from MQ Power, including the DCA-300SSK.
Service parts for the SA6D125E-2
The cheapest captured merchant offer per filter — see the full cross-reference below for every OEM/aftermarket option.
Fuel system
1 required692304Fuel filterfind
Oil system
1 required76844173Oil filterfind
Prices captured from merchant listings; some links are affiliate links. Verify against your serial number before ordering.
Maintenance schedule
| Item | Spec | Capacity | Part # | Interval | |
|---|
| Air filter | | | 6001813800S | 1000 hr | eBay KuduParts $43.00 |
| Fuel filter | | | — | 500 hr | |
| Oil filter | | | — | 1000 hr | |
| Battery | | | — | 500 hr | |
| Belt | | | — | 1000 hr | |
| Coolant | | | — | 5000 hr | |
| Oil | Lubrication Oil | | — | | |
| Spark plug | | | — | 1000 hr | |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.
Procedures
1Air Cleaner Maintenance maintenance
⚠ Use appropriate air pressure to avoid damaging element
Tools: compressed air equipment
- Loosen wing bolt, remove dust cup
- Remove wing nut and take out element
- Clean the inside of the body and cover using a damp cloth
- Blow dry with compressed air (0.69Mpa maximum) against the side of the element
- Blow dry against outside along the pleats, then against inside again
- Remove one seal each time the element is cleaned
- Replace outer element after cleaning 6 times or after one year
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Common questions
What is the displacement of the Komatsu SA6D125E-2?
The Komatsu SA6D125E-2 has a displacement of 11.04 liters with 6 cylinders.
Which generators use the Komatsu SA6D125E-2 engine?
The Komatsu SA6D125E-2 powers 1 generator set(s), including MQ Power DCA-300SSK.
What oil filter does the Komatsu SA6D125E-2 use?
The Komatsu SA6D125E-2 uses oil filter part numbers Komatsu 76844173, Komatsu 76844073, Donaldson P550777.
What fuel filter does the Komatsu SA6D125E-2 use?
The Komatsu SA6D125E-2 uses fuel filter part numbers Komatsu 692304, Komatsu 6003119121, Donaldson P550105.
What air filter does the Komatsu SA6D125E-2 use?
The Komatsu SA6D125E-2 uses air filter part numbers Komatsu 6001813800S, Donaldson P119373, Wix 42209.