The Komatsu 4D102-1 is a 10.5 L turbocharged engine rated at 1800 rpm. It powers generator sets from MQ Power, including the DCA-600SSK.
Also known as: Komatsu 4D102-1
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| Displacement | 10.5 L |
|---|---|
| Aspiration | turbocharged |
| Rated speed | 1800 rpm |
Compiled from service & troubleshooting documentation across every generator set that uses the Komatsu 4D102-1.
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | 500 hr | |||
| Fuel filter | — | 500 hr | |||
| Oil filter | 6732515142 | 250 hr | eBay $19.48 KuduParts $11.00 | ||
| Coolant | 28.9 L | — | |||
| Oil | 11.4 L | — | 250 hr |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.
| Item | Action | Hours | Months | Notes |
|---|---|---|---|---|
| Oil | Change | 250 hr | Komatsu engine |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
| Fluid | Grade | Standard | Ambient | Capacity | Notes |
|---|---|---|---|---|---|
| Coolant | 50/50 mixture | 28.9 L | pre-mixed or concentrate | ||
| Engine oil | 15W40 | 11.4 L | |||
| Fuel | Diesel |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and 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 Komatsu 4D102-1 has a displacement of 10.5 liters.
The Komatsu 4D102-1 powers 1 generator set(s), including MQ Power DCA-600SSK.
The Komatsu 4D102-1 uses oil filter part numbers Komatsu 6732515142, Donaldson P558616, Wix 51602.
The Komatsu 4D102-1 oil change interval is every 250 hours.
A commonly reported issue on generators using the Komatsu 4D102-1 is: Run engine without an air filter. Severe engine damage may occur.. Fix: Always service air cleaner frequently to prevent carburetor malfunction..