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Caterpillar 3512C ATAAC Engine Engine

The Caterpillar 3512C ATAAC is a 51.8 L 12-cylinder ta engine rated at 1800 rpm. It powers generator sets from Caterpillar, including the SR4.

Part of the Caterpillar 3512C engine family — 3 variants share parts & fitment.

51.8 L
Displacement
12
Cylinders
1800 rpm
Rated speed

Engine specifications

Displacement51.8 L
Cylinders12
AspirationTA
Rated speed1800 rpm

Generator sets powered by this engine

1

Parts cataloged across the Caterpillar 3512C family

13
Part #DescriptionCategory
1440725Connecting rodsconnecting_rod
1R-0755High Efficiency Fuel Filterfilter
10R9951Head Gasketsgasket
1744947Aftercooler and Lines Gasketsgasket
2322507Manifold Gasketsgasket
2322521Turbocharger Gasketsgasket
2342795Injector Seals/Gasketsgasket
2322522Reman Injectorsinjector
128-6786Crankshaft Bareother_service
1743191Reman Cylinder Headsother_service
PEHJ0271Cat® Emissions Upgrade Kits for Select 3500 Marine Enginesother_service
PEHJ0287Cat® Performance Upgrade Kits for Select 3508, 3512, and 3516 Marine Enginesother_service
113-8432Front Sealseal

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 3512C ATAAC?

The Caterpillar 3512C ATAAC has a displacement of 51.8 liters with 12 cylinders.

Which generators use the Caterpillar 3512C ATAAC engine?

The Caterpillar 3512C ATAAC powers 1 generator set(s), including Caterpillar SR4.