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Komatsu SA12V140 Engine

The Komatsu SA12V140 is a 12-cylinder turbocharged engine. It powers generator sets from General Electric / MQ Power, including the DCA-800SSK.

Also known as: KOMATSU SA12V140

Part of the Komatsu SA12V140 engine family — 2 variants share parts & fitment.

12
Cylinders

Engine specifications

Cylinders12
Aspirationturbocharged

Generator sets powered by this engine

1

Maintenance schedule

ItemSpecCapacityPart #Interval
Oil—

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

Parts cataloged across the Komatsu SA12V140 family

6
Part #DescriptionCategory
5.21604.tfAir FilterAir filter
5.21598.tfBatteryBattery
5.21605.tfCoolant FilterCoolant filter
5.21573.tfOil FilterOil filter
5.21603.tfSpark PlugSpark plug
5.21607.tfThermostatThermostat

Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.

Aftermarket parts that fit this engine

15

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

Also used in

11
  • Komatsu 330E — Dump Truck
  • Komatsu D475-2 — Dozer Tracked
  • Komatsu D475A-2 — Dozer Tracked
  • Komatsu HD785-3 — Dump Truck
  • Komatsu HD785-5 — Dump Truck
  • Komatsu HD985-3 — Dump Truck
  • Komatsu WA800 — Loader Wheeled
  • Komatsu WA800-2 — Loader Wheeled
  • Komatsu WA800-3 — Loader Wheeled
  • Komatsu WA900-1 — Loader Wheeled
  • Komatsu WA900-3 — Loader Wheeled

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

Which generators use the Komatsu SA12V140 engine?

The Komatsu SA12V140 powers 1 generator set(s), including General Electric / MQ Power DCA-800SSK.