HomeEnginesKomatsu SA6D125E-2

Komatsu SA6D125E-2 Engine

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.

Also known as: Komatsu SA6D125E-2

11.04 L
Displacement
6
Cylinders
1800 rpm
Rated speed

Service parts for the SA6D125E-2

The cheapest captured merchant offer per filter — see the full cross-reference below for every OEM/aftermarket option.

Air intake

1 required
6001813800SAir filtersee priceeBay

Fuel system

1 required
692304Fuel filterfind

Oil system

1 required
76844173Oil filterfind

Prices captured from merchant listings; some links are affiliate links. Verify against your serial number before ordering.

Engine specifications

Displacement11.04 L
Cylinders6
Aspirationturbocharged, air-to-air after-cooled
Rated speed1800 rpm

Generator sets powered by this engine

1

Maintenance schedule

ItemSpecCapacityPart #Interval
Air filter6001813800S1000 hr eBay KuduParts $43.00
Fuel filter500 hr
Oil filter1000 hr
Battery500 hr
Belt1000 hr
Coolant5000 hr
OilLubrication Oil
Spark plug1000 hr

Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.

Service intervals

4
ItemActionHoursMonthsNotes
Engine OilCheck10 hrDaily inspection
Fuel FilterCheck250 hr
Fuel FilterReplace250 hrFirst service — First time only at 250 hours
Oil and Oil FilterReplace500 hrFirst service — First time only at 100 hours

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Procedures

1
Air Cleaner Maintenance maintenance

⚠ Use appropriate air pressure to avoid damaging element

Tools: compressed air equipment

  1. Loosen wing bolt, remove dust cup
  2. Remove wing nut and take out element
  3. Clean the inside of the body and cover using a damp cloth
  4. Blow dry with compressed air (0.69Mpa maximum) against the side of the element
  5. Blow dry against outside along the pleats, then against inside again
  6. Remove one seal each time the element is cleaned
  7. 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.

Aftermarket parts that fit this engine

5
600-182-3100 KuduParts $62.00 14X-49-61410 KuduParts $64.00 6152-72-1210 FridayParts $1000.50 6150-12-1370 FridayParts $88.99 6152-32-2510 FridayParts $1390.10

Parts listed by aftermarket suppliers as fitting this engine — leads compiled from supplier catalogs; verify the exact part for your serial number.

Filters for this engine

  • Air filter: Komatsu 6001813800S Donaldson P119373 Wix 42209 Ac Delco A443CL
  • Fuel filter: Komatsu 692304 Komatsu 6003119121 Donaldson P550105 Donaldson P557440 Wix 33109 Ac Delco TP629 Wix 33352 Ac Delco TP993
  • Oil filter: Komatsu 76844173 Komatsu 76844073 Donaldson P550777 Donaldson P551670 Wix 51749 Ac Delco 6940 Wix 51970 Ac Delco PF670

Cross-referenced via Donaldson + OEM/engine-maker interchange — options to verify against your serial number, not confirmed for every exact variant.

Also used in

12
  • Komatsu HD255-5 — Dump Truck
  • Komatsu PC400-6 — Excavator Tracked
  • Komatsu PC400-6Z — Excavator Tracked
  • Komatsu PC400LC-6 — Excavator Tracked
  • Komatsu PC450-6 — Excavator Tracked
  • Komatsu PC450-6K — Excavator Tracked
  • Komatsu PC450LC-6 — Excavator Tracked
  • Komatsu PC450LC-6K — Excavator Tracked
  • Komatsu PC450LC-6K-KE — Excavator Tracked
  • Komatsu WA450-3 — Loader Wheeled
  • Komatsu WA470-DZ-3 — Loader Wheeled
  • Komatsu WF450T-3 — Compactor Landfill

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.

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.