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Caterpillar G3412 TA Engine Engine

Name: Caterpillar G3412 TA Engine
Brand: Caterpillar

The Caterpillar G3412 TA is a 27 L 12-cylinder turbocharged-aftercooled engine rated at 1800 rpm. It powers generator sets from Caterpillar, including the G3412 TA GAS ENGINE, LEHW3889-00, LEHW3889-01 and LEHW3890-00. It holds 106 L (28.0 gal) of coolant.

Part of the Caterpillar G3412 engine family — 2 variants share parts & fitment.

27.0 L

Displacement

Cylinders

1800 rpm

Rated speed

Engine specifications

Coolant capacity	106.0 L
Displacement	27.0 L
Cylinders	12
Aspiration	Turbocharged-Aftercooled
Rated speed	1800 rpm

Generator sets powered by this engine

Caterpillar G3412 TA GAS ENGINECaterpillar LEHW3889-00Caterpillar LEHW3889-01Caterpillar LEHW3890-00Caterpillar LEHW3890-01Caterpillar SR4B Generator Set

Parts cataloged across the Caterpillar G3412 family

Part #	Description	Category
176-7748	Gasket	gasket
4W-2256	Spark Plug - Fine wire plug	spark_plug

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

Common questions

What is the displacement of the Caterpillar G3412 TA?

The Caterpillar G3412 TA has a displacement of 27.0 liters with 12 cylinders.

Which generators use the Caterpillar G3412 TA engine?

The Caterpillar G3412 TA powers 6 generator set(s), including Caterpillar G3412 TA GAS ENGINE, Caterpillar LEHW3889-00, Caterpillar LEHW3889-01, Caterpillar LEHW3890-00, Caterpillar LEHW3890-01.