The Caterpillar C9 is a 8.8 L 6-cylinder turbocharged-ataac engine rated at 2100 rpm, producing up to 250 kW. It powers generator sets from Caterpillar, including the SEBU7772-02 and SR4B. It holds 40 L (10.6 gal) of oil and 36 L (9.5 gal) of coolant.
Also known as: CAT C9
Part of the Caterpillar C9 engine family — 3 variants share parts & fitment.
| Oil capacity | 40.0 L |
|---|---|
| Coolant capacity | 36.0 L |
| Displacement | 8.8 L |
| Cylinders | 6 |
| Aspiration | Turbocharged-ATAAC |
| Rated speed | 2100 rpm |
| Gross power | 250 kW |
| Part # | Description | Category |
|---|---|---|
| 101564109 | Air Shutoff | air_filter |
| 01908191 | Overspeed | other_service |
| 101147116 | Engine Operation with Active Diagnostic Codes | other_service |
| 101154196 | Engine Operation with Intermittent Diagnostic Codes | other_service |
| 101233590 | Before Starting Engine | other_service |
| 101446865 | Diagnostic Lamp | other_service |
| 101646248 | After Starting Engine | other_service |
| 102308903 | Starting with Jump Start Cables | other_service |
| 102327037 | Starting the Engine (EMCP II and EMCP II+ (If Equipped)) | other_service |
| 102512380 | Fault Logging | other_service |
| 301108737 | Cold Weather Starting | other_service |
| 888-983-7847 | [No description provided] | other_service |
| 8889837647 | LOCK-RETAINER 5 weir | other_service |
| g00305862 | Emergency Stop Warning Label | other_service |
| g00306263 | Operation Warning Label | other_service |
| g00609958 | Illustration 3 | other_service |
| g00610186 | Illustration 17 | other_service |
| g00610236 | Illustration 18 | other_service |
| g00611770 | Illustration 1 | other_service |
| g00611772 | Illustration 2 | other_service |
| g00611832 | Illustration 4 | other_service |
| g00611839 | Illustration 5 | other_service |
| g00611845 | Illustration 6 | other_service |
| g00611851 | Illustration 7 | other_service |
| g00611856 | Illustration 8 | other_service |
| g00611866 | Illustration 11 | other_service |
| g00611892 | Illustration 12 | other_service |
| g00611914 | Illustration 13 | other_service |
| g00611951 | Illustration 14 | other_service |
| g00611956 | Illustration 15 | other_service |
| g00611961 | Illustration 16 | other_service |
| g00611973 | Illustration 19 | other_service |
| g00626058 | Illustration 9 | other_service |
| g00704000 | Fire Prevention and Explosion Prevention | other_service |
| g00771448 | Electrical System - Grounding Practices | other_service |
| g01063102 | Caterpillar Messenger Display | other_service |
| g01129459 | Illustration 18 (1) Serial Number Plate | other_service |
| g01129463 | Illustration 19 (2) Information Plate | other_service |
| i00910470 | Engine Starting | other_service |
| i00911989 | Before Starting Engine | other_service |
| i01108098 | Cold Start Strategy | other_service |
| i01152388 | General Information | other_service |
| i01152505 | Component Descriptions | other_service |
| i01359666 | Crushing Prevention and Cutting Prevention | other_service |
| i01372247 | Mounting and Dismounting | other_service |
| i01372254 | Oils | other_service |
| i01463253 | Diagnostic Lamp | other_service |
| i01489623 | Safety Signs and Labels - Electrical Distribution (Generator) | other_service |
| i01563743 | Engine Electronics | other_service |
| i01563934 | Self-Diagnostics | other_service |
| i01658146 | Important Safety Information | other_service |
| i01909882 | Engine Speed Governing | other_service |
| i02238548 | Diagnostic Flash Code Retrieval | other_service |
| i02240570 | Plate Locations and Film Locations | other_service |
| i02246834 | Safety Messages | other_service |
| i02276735 | Welding on Engines with Electronic Controls | other_service |
| i02469632 | Engine Stopping | other_service |
| i02472408 | Monitoring System (If Equipped) | other_service |
| i07966018 | Important Safety Information | other_service |
| g00780729 | Illustration 1(1) Valve cover(2) Hydraulic Pump | pump |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.
Parts listed by aftermarket suppliers as fitting this engine — leads compiled from supplier catalogs; verify the exact part for your serial number.
The Caterpillar C9 engine has an oil capacity of 40.0 liters.
The Caterpillar C9 has a displacement of 8.8 liters with 6 cylinders.
The Caterpillar C9 powers 2 generator set(s), including Caterpillar SEBU7772-02, Caterpillar SR4B.