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Caterpillar G3406 TA Engine

The Caterpillar G3406 TA is a 14.6 L 6-cylinder turbocharged-aftercooled engine rated at 1800 rpm. It powers generator sets from Caterpillar, including the G3406 TA GAS ENGINE, LEHW3888-00 and LEHW3888-01. It holds 57 L (15.1 gal) of coolant.

Also known as: Caterpillar G3406 TA

Part of the Caterpillar G3406 engine family — 3 variants share parts & fitment.

14.6 L
Displacement
6
Cylinders
1800 rpm
Rated speed

Engine specifications

Coolant capacity57.0 L
Displacement14.6 L
Cylinders6
AspirationTurbocharged-Aftercooled
Rated speed1800 rpm

Generator sets powered by this engine

6
Caterpillar G3406 TACaterpillar G3406 TA GAS ENGINECaterpillar LEHW3888-00Caterpillar LEHW3888-01Caterpillar LEHW3891-01Caterpillar SR4B Generator Set

How to read your Caterpillar engine serial & model number →

Parts cataloged across the Caterpillar G3406 family

7
Part #DescriptionCategory
7C-1571Air PrimaryAir filter
108-3515GasketGasket
176-7748GasketGasket
1R-0716Engine OilOil filter
8N1726Connecting rodService part / kit
2N-2839Spark Plug - Fine wire plugSpark plug
4W-2256Spark Plug - Fine wire plugSpark 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 G3406 TA?

The Caterpillar G3406 TA has a displacement of 14.6 liters with 6 cylinders.

Which generators use the Caterpillar G3406 TA engine?

The Caterpillar G3406 TA powers 6 generator set(s), including Caterpillar G3406 TA, Caterpillar G3406 TA GAS ENGINE, Caterpillar LEHW3888-00, Caterpillar LEHW3888-01, Caterpillar LEHW3891-01.