HomeEnginesCaterpillar C18-C

Caterpillar C18-C Engine

The Caterpillar C18-C is a 18 L turbocharged engine rated at 2100 rpm. It powers generator sets from Northern Lights, including the M843JK.

Also known as: Caterpillar C18-C

Part of the Caterpillar C18 engine family — 3 variants share parts & fitment.

18.0 L
Displacement
2100 rpm
Rated speed

Engine specifications

Displacement18.0 L
AspirationTurbocharged
Rated speed2100 rpm

Common problems

1
  • Warning or shutdown system is activated
    Cause: Engine temperature gauge reading above specified threshold
    Fix: Check engine temperature, isolate cause using Trouble Shooting Guide, make repairs and restart after cooling

Compiled from service & troubleshooting documentation across every generator set that uses the Caterpillar C18-C.

Parts cataloged across the Caterpillar C18 family

39
Part #DescriptionCategory
888-983-7847ENGINE BLOCK CRANKSHAFTother_service
A100Download Specificationother_service
g00284658Illustration 17 EPA Emissions Certification Filmother_service
g00415538Illustration 18 European Emissions Certification Filmother_service
g00702020Wear a hard hat, protective glasses, and other protective equipment, as required.other_service
g00704000Illustration 11other_service
g00704059Illustration 9other_service
g00771448Grounding Practicesother_service
g01054560Illustration 23 Typical performance monitor panelother_service
g01054562Illustration 24 Typical performance monitor panel for totalsother_service
g01054565Illustration 25 Typical performance monitor panel for settingsother_service
g01054566Illustration 26 Typical performance monitor panel for serviceother_service
g01065152Illustration 16 (1) Serial number plate (2) Information plateother_service
g01233007Illustration 20other_service
g01416712Illustration 1other_service
g01459611Illustration 21other_service
g01459691Illustration 22 Caterpillar Messenger Displayother_service
i00844066Emissions Certification Filmother_service
i00863835Self-Diagnosticsother_service
i00911989Before Starting Engineother_service
i01103904Engine Startingother_service
i01359666Crushing Prevention and Cutting Preventionother_service
i01372247Mounting and Dismountingother_service
i01372254Fire Prevention and Explosion Preventionother_service
i01463253Diagnostic Lampother_service
i01646248SMCS Code: 1000other_service
i01658146Important Safety Informationother_service
i01934760SMCS Code: 1000; 1401; 1402; 1900other_service
i01988813Product Liftingother_service
i02068367Product Storageother_service
i02088692Plate Locations and Film Locationsother_service
i02109067Operation and Maintenance Manual, 'Maintenance Interval Schedule'other_service
i02164876Reference Numbersother_service
i02469632Electrical Systemother_service
i02496338Diagnostic Flash Code Retrievalother_service
i02566298General Hazard Informationother_service
i02784356Engine Electronicsother_service
i02840188Safety Messagesother_service
i02944987Monitoring Systemother_service

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

Also used in

12
  • Atlas Copco DM45 — Drilling Equipment
  • Caterpillar 651 — Tractor
  • Caterpillar 657 — Tractor
  • Caterpillar 745 — Dump Truck Articulated
  • Caterpillar 745C — Dump Truck Articulated
  • Caterpillar 988K — Loader Wheeled
  • Caterpillar PM820 — Planer
  • Caterpillar PM822 — Planer
  • Caterpillar RM600 — Road Equipment
  • New Holland FR9080 — Harvester
  • Sisu C600 — Truck
  • Sisu E18 — Truck

Other equipment known to use this engine, via filter-application cross-reference — useful for sourcing parts even when your exact machine isn't listed elsewhere on this page.

Common questions

What is the displacement of the Caterpillar C18-C?

The Caterpillar C18-C has a displacement of 18.0 liters.

Which generators use the Caterpillar C18-C engine?

The Caterpillar C18-C powers 1 generator set(s), including Northern Lights M843JK.

What is a common problem with the Caterpillar C18-C engine?

A commonly reported issue on generators using the Caterpillar C18-C is: Warning or shutdown system is activated. Cause: Engine temperature gauge reading above specified threshold. Fix: Check engine temperature, isolate cause using Trouble Shooting Guide, make repairs and restart after cooling.