HomeEnginesKomatsu SA12V140-1

Komatsu SA12V140-1 Engine

The Komatsu SA12V140-1 is a 30.5 L 12-cylinder turbocharged, aftercooled engine rated at 1800 rpm. It powers generator sets from MQ Power, including the DCA-800SSK.

Also known as: KOMATSU SA12V140-1

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

30.5 L
Displacement
12
Cylinders
1800 rpm
Rated speed

Engine specifications

Displacement30.5 L
Cylinders12
AspirationTurbocharged, Aftercooled
Rated speed1800 rpm

Generator sets powered by this engine

1

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

1
6211-22-2220 FridayParts $62.05

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

What is the displacement of the Komatsu SA12V140-1?

The Komatsu SA12V140-1 has a displacement of 30.5 liters with 12 cylinders.

Which generators use the Komatsu SA12V140-1 engine?

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