HomeEnginesCaterpillar C9

Caterpillar C9 Engine Engine

The Caterpillar C9 is a 8.8 L 6-cylinder turbocharged-ataac engine. It powers generator sets from Caterpillar, including the SEBU7772-02, SR4, XQ230 and XQ300. It holds 40 L (10.6 gal) of oil and 36 L (9.5 gal) of coolant.

Part of the Caterpillar C9 engine family — 2 variants share parts & fitment.

8.8 L
Displacement
6
Cylinders
40.0 L
Oil capacity

Engine specifications

Oil capacity40.0 L
Coolant capacity36.0 L
Displacement8.8 L
Cylinders6
AspirationTurbocharged-ATAAC

Generator sets powered by this engine

4
Caterpillar SEBU7772-02Caterpillar SR4Caterpillar XQ230Caterpillar XQ300

Parts cataloged across the Caterpillar C9 family

24
Part #DescriptionCategory
1W7848GENERATOR NUMBERother_service
888-983-7847[No description provided]other_service
8889837647LOCK-RETAINER 5 weirother_service
g00704000Fire Prevention and Explosion Preventionother_service
g00771448Electrical System - Grounding Practicesother_service
g01063102Caterpillar Messenger Displayother_service
g01129459Illustration 18 (1) Serial Number Plateother_service
g01129463Illustration 19 (2) Information Plateother_service
i00910470Engine Startingother_service
i00911989Before Starting Engineother_service
i01359666Crushing Prevention and Cutting Preventionother_service
i01372247Mounting and Dismountingother_service
i01372254Oilsother_service
i01463253Diagnostic Lampother_service
i01563743Engine Electronicsother_service
i01563934Self-Diagnosticsother_service
i02238548Diagnostic Flash Code Retrievalother_service
i02240570Plate Locations and Film Locationsother_service
i02246834Safety Messagesother_service
i02276735Welding on Engines with Electronic Controlsother_service
i02469632Engine Stoppingother_service
i02472408Monitoring System (If Equipped)other_service
i07966018Important Safety Informationother_service
g00780729Illustration 1(1) Valve cover(2) Hydraulic Pumppump

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

60

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

Common questions

What is the oil capacity of the Caterpillar C9?

The Caterpillar C9 engine has an oil capacity of 40.0 liters.

What is the displacement of the Caterpillar C9?

The Caterpillar C9 has a displacement of 8.8 liters with 6 cylinders.

Which generators use the Caterpillar C9 engine?

The Caterpillar C9 powers 4 generator set(s), including Caterpillar SEBU7772-02, Caterpillar SR4, Caterpillar XQ230, Caterpillar XQ300.