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Home›Caterpillar›Caterpillar C18

Caterpillar C18 Generator Set

The Caterpillar C18 is a 484 kW (605 kVA) diesel standby generator set powered by a Caterpillar C18 ACERT engine. It is available at 415 V, 3-phase, 50 Hz and rated 834.7 A. It holds about 20.8 L (5.5 gal) of oil and 48.8 L (12.9 gal) of coolant, with a maximum ambient rating of 48 °C. The set measures 5450×2000×2200 mm (214.6×78.7×86.6 in) and weighs about 5990 kg (13206 lb).

484 kW
Standby
18.1 L
Displacement
20.8 L
Oil capacity
4
Document types

How to read your Caterpillar serial & model number →

Compare with other 480–485 kW Diesel generators →

Specifications

Fueldiesel
Frequency50.0 Hz
Standby power484 kW
Standby kVA605
Prime power480 kW
EmissionsIndia CPCB/ MoEF Standards
Controller12 Wire Reconnectable, 2 x 1200A LSI Circuit Breakers, EMCP 3 Controls, EMCP 3.1, EMCP 4.2B, Engine Safety Shutdowns, LC7234L Generator 12 Lead &105 Degree C, Premium EMCP 4.2B Generator, Stop, TCP 1000
Oil capacity20.8 L
AlternatorLSAP47E (4-pole, Class H insulation)
Voltage options415 V
Phase3-phase
Rated current834.7 A
Power factor0.8
Circuit breaker1600 A
Coolant capacity48.8 L
Max ambient48 °C
Dimensions (L×W×H)5450×2000×2200 mm
Dry weight5990 kg

Engine

Caterpillar C18 ACERT
Oil capacity62.0 L
Coolant capacity48.8 L
Displacement18.1 L
AspirationAir-to-Air Aftercooled
Rated speed1800 rpm

Maintenance & consumables

for the Caterpillar C18 ACERT
ItemSpecCapacityPart #Interval
Air filter—1250 hr find
Fuel filter336741250 hr PartsGeek $19.97
Oil filter3890434 PartsGeek $30.97
Belt—1250 hr find
Coolant20.8—1250 hr
Coolant filter— find
OilSump refill with filter74.0 L—500 hr

Compatible filters for the Caterpillar C18 ACERT — cross-referenced via Donaldson. Options to verify against your serial number, not confirmed for this exact unit.

  • Air filter: Caterpillar 2453818 Caterpillar 2901936 Caterpillar 2453819 Donaldson P782106 Donaldson P607557

Common questions

What is the power rating of the Caterpillar C18?

The Caterpillar C18 is rated 484 kW standby (605.0 kVA).

What engine does the Caterpillar C18 use?

The Caterpillar C18 is powered by the Caterpillar C18 ACERT engine.

What fuel does the Caterpillar C18 use?

The Caterpillar C18 runs on diesel.

What is the oil capacity of the Caterpillar C18?

The Caterpillar C18 ACERT engine in the Caterpillar C18 has an oil capacity of 62.0 liters.

What alternator does the Caterpillar C18 use?

The Caterpillar C18 uses a LSAP47E alternator. It has 4 poles. Insulation class H.

What oil filter does the Caterpillar C18 use?

The Caterpillar C18 uses oil filter part number 3890434.

What fuel filter does the Caterpillar C18 use?

The Caterpillar C18 uses fuel filter part number 33674.

What air filter does the Caterpillar C18 use?

The Caterpillar C18 uses air filter part numbers CATERPILLAR 2453818, CATERPILLAR 2901936.

Parts

124
Part #DescriptionQtySystem
420-5855Water Pump Seal Installer (Dimensions: 47 x 45 mm, Weight: .463 kg)Water pump seal installer PartsGeek
M-2454630Sensor Assembly - SpeedSensor PartsGeek
M-2572752Gasket Set - C18 Front StructureGasket set PartsGeek
M-3604170Gasket Set - C18 Front StructureGasket set PartsGeek
M-3605916Gasket Set - C18 Central & LowerGasket set PartsGeek
M-3675181PistonPiston PartsGeek
M-3687817PistonPiston PartsGeek
M-3848611Pump - TransferPump PartsGeek
M-4154993Gasket Set - Single Cylinder Head - C18Gasket set PartsGeek
M-4446485Gasket Set - C13-C15-C18 Front StructureGasket set PartsGeek
M-4496052Gasket Set - Oil Cooler & LinesGasket PartsGeek
M-CK3675181PCylinder KitCylinder kit PartsGeek
M-CK3687817PCylinder KitCylinder kit PartsGeek
MCB3116021MAJOR OVERHAUL GASKET SET1Gasket PartsGeek
MCB3116022GASKET SET1Gasket PartsGeek
MCB3116023CYLINDER HEAD GASKET SET1Gasket PartsGeek
MCB3306011MAJOR OVERHAUL GASKET SET1Gasket PartsGeek
MCB3306012GASKET SET1Gasket PartsGeek
MCB3306013CYLINDER HEAD GASKET SET1Gasket PartsGeek
MCB3306021MAJOR OVERHAUL GASKET SET1Gasket PartsGeek
MCB3306022GASKET SET1Gasket PartsGeek
MCB3306023CYLINDER HEAD GASKET SET1Gasket PartsGeek
MCB3306031MAJOR OVERHAUL GASKET SET1Gasket PartsGeek
MCB3306032GASKET SET1Gasket PartsGeek
MCB3306033CYLINDER HEAD GASKET SET1Gasket PartsGeek
MCB3306041MAJOR OVERHAUL GASKET SET1Gasket PartsGeek
MCB3306042GASKET SET1Gasket PartsGeek
MCB3306043CYLINDER HEAD GASKET SET1Gasket PartsGeek
MCB3306071MAJOR OVERHAUL GASKET SET1Gasket PartsGeek
MCB3306072GASKET SET1Gasket PartsGeek
MCB3306073CYLINDER HEAD GASKET SET1Gasket PartsGeek
MCB3306121MAJOR OVERHAUL GASKET SET1Gasket PartsGeek
MCB3306122GASKET SET1Gasket PartsGeek
MCB3306123CYLINDER HEAD GASKET SET1Gasket PartsGeek
MCB3306281MAJOR OVERHAUL GASKET SET1Gasket PartsGeek
MCB3306282GASKET SET1Gasket PartsGeek
MCB3306283CYLINDER HEAD GASKET SET1Gasket PartsGeek
MCB3306431MAJOR OVERHAUL GASKET SET1Gasket PartsGeek
MCB3306432GASKET SET1Gasket PartsGeek
MCB3306433CYLINDER HEAD GASKET SET1Gasket PartsGeek
MCB3306471MAJOR OVERHAUL GASKET SET1Gasket PartsGeek
MCB3306472GASKET SET1Gasket PartsGeek
MCB3306473CYLINDER HEAD GASKET SET1Gasket PartsGeek
MCB3406011MAJOR OVERHAUL GASKET SET1Gasket PartsGeek
MCB3406012GASKET SET1Gasket PartsGeek
MCB3406013CYLINDER HEAD GASKET SET1Gasket PartsGeek
MCB3406181MAJOR OVERHAUL GASKET SET1Gasket PartsGeek
MCB3406182GASKET SET1Gasket PartsGeek
MCB3406183CYLINDER HEAD GASKET SET1Gasket PartsGeek
MCB3406391MAJOR OVERHAUL GASKET SET1Gasket PartsGeek
MCB3406392GASKET SET1Gasket PartsGeek
MCB3406393CYLINDER HEAD GASKET SET1Gasket PartsGeek
MCB3408141MAJOR OVERHAUL GASKET SET1Gasket PartsGeek
MCB3508121MAJOR OVERHAUL GASKET SET1Gasket PartsGeek
MCB3508122GASKET SET1Gasket PartsGeek
MCB3508123CYLINDER HEAD GASKET SET1Gasket PartsGeek
MCBC15341MAJOR OVERHAUL GASKET SET1Gasket PartsGeek
MCBC15342GASKET SET1Gasket PartsGeek
MCBC15343CYLINDER HEAD GASKET SET1Gasket PartsGeek
MCBC15351MAJOR OVERHAUL GASKET SET1Gasket PartsGeek
MCBC15352GASKET SET1Gasket PartsGeek
MCBC15353CYLINDER HEAD GASKET SET1Gasket PartsGeek
MCBC18431MAJOR OVERHAUL GASKET SET1Gasket PartsGeek
MCBC18432GASKET SET1Gasket PartsGeek
MCBC18433CYLINDER HEAD GASKET SET1Gasket PartsGeek
R-2872405Reman InjectorReman injector PartsGeek
R-2897320Reman InjectorReman injector PartsGeek
R-DZ100212Nozzle Kit, JD, 4.5L/6.8L, RemanInjector PartsGeek
R-DZ100216Nozzle Kit, JD, 4.5L/6.8L, RemanInjector PartsGeek
R-DZ100217Nozzle Kit, JD, 4.5L/6.8L, RemanInjector PartsGeek
R-RE545562Nozzle Kit, JD, 4.5L/6.8L, RemanInjector PartsGeek
2243245Connecting rodService part / kit PartsGeek FridayParts $299.85
249-0439Oxidation Catalyst Assembly - RoundService part / kit PartsGeek
256-0331Oxidation Catalyst Assembly - RoundService part / kit PartsGeek
888-983-7847ENGINE BLOCK CRANKSHAFT1Service part / kit PartsGeek
A100Download SpecificationService part / kit PartsGeek
M-3687815PistonService part / kit PartsGeek
M-3687816PistonService part / kit PartsGeek
M-CK3687815PKit - Cylinder KitService part / kit PartsGeek
M-CK3687816PKit - Cylinder KitService part / kit PartsGeek
R-20R2284C15/C18/C27/C32 ACERT Trim file (12-digit serial)1Service part / kit PartsGeek
R-20R2285C15/C18/C27/C32 ACERT Trim file (12-digit serial)1Service part / kit PartsGeek
RSC18ERing Set - PistonService part / kit PartsGeek
RSC18E1Ring Set - PistonService part / kit PartsGeek
g00284658Illustration 17 EPA Emissions Certification FilmService part / kit PartsGeek
g00415538Illustration 18 European Emissions Certification FilmService part / kit PartsGeek
g00702020Wear a hard hat, protective glasses, and other protective equipment, as required.1Service part / kit PartsGeek
g00704000Illustration 81Service part / kit PartsGeek
g00704059Illustration 91Service part / kit eBay PartsGeek
g00771448Grounding PracticesService part / kit PartsGeek
g00943786Illustration 113 - AD45Service part / kit PartsGeek
g00943874Illustration 114 - AD45Service part / kit PartsGeek
g01054560Illustration 23 Typical performance monitor panelService part / kit PartsGeek
g01054562Illustration 24 Typical performance monitor panel for totalsService part / kit PartsGeek
g01054565Illustration 25 Typical performance monitor panel for settingsService part / kit PartsGeek
g01054566Illustration 26 Typical performance monitor panel for serviceService part / kit PartsGeek
g01065152Illustration 16 (1) Serial number plate (2) Information plateService part / kit PartsGeek
g01233007Illustration 20Service part / kit PartsGeek
g01416712Illustration 1Service part / kit PartsGeek
g01459611Illustration 21Service part / kit PartsGeek
g01459691Illustration 22 Caterpillar Messenger DisplayService part / kit PartsGeek
i00844066Emissions Certification FilmService part / kit PartsGeek
i00863835Self-DiagnosticsService part / kit PartsGeek
i00911989Before Starting EngineService part / kit PartsGeek
i01103904Engine StartingService part / kit PartsGeek
i01359666Crushing Prevention and Cutting Prevention1Service part / kit PartsGeek
i01372247Mounting and Dismounting1Service part / kit PartsGeek
i01372254Fire Prevention and Explosion PreventionService part / kit PartsGeek
i01463253Diagnostic LampService part / kit PartsGeek
i01646248SMCS Code: 10001Service part / kit PartsGeek
i01658146Important Safety InformationService part / kit PartsGeek
i01852375Walk-Around InspectionService part / kit PartsGeek
i01934760SMCS Code: 1000; 1401; 1402; 19001Service part / kit PartsGeek
i01988813Product LiftingService part / kit PartsGeek
i02068367Product StorageService part / kit PartsGeek
i02088692Plate Locations and Film LocationsService part / kit PartsGeek
i02109067Operation and Maintenance Manual, 'Maintenance Interval Schedule'1Service part / kit PartsGeek
i02164876Reference NumbersService part / kit PartsGeek
i02469632Electrical SystemService part / kit PartsGeek
i02496338Diagnostic Flash Code RetrievalService part / kit PartsGeek
i02566298General Hazard InformationService part / kit PartsGeek
i02784356Engine ElectronicsService part / kit PartsGeek
i02840188Safety MessagesService part / kit PartsGeek
i02944987Monitoring SystemService part / kit PartsGeek

Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.

Fuel consumption

RatingLoadL/hgal/h
Prime120.031.7
Prime25%38.310.1
Prime50%67.717.8
Prime75%97.325.7
Prime100%123.032.5
Standby25%63.516.7
Standby50%108.928.7
Standby75%164.343.4
Standby100%205.554.2

Available documents

Engine spec — Aug+2010+Engine+Selection+Guide (Caterpillar)Engine spec — C18-Spec-Sheet (Caterpillar)Engine spec — CAT-C18-755HP-T4i (Caterpillar)Engine spec — LECH3874-02 (Caterpillar)Spec sheet — C18 605 kva Standby Low BSFC 50hz EMCP4 TZ (Caterpillar)Spec sheet — CAT-545-CAT-C18 (Caterpillar)Spec sheet — CAT-C18-750kW-Submittal (Caterpillar)Spec sheet — CM20180613-08777-64587 (Caterpillar)Spec sheet — Caterpillar-Oil-and-Gas-Ratings-Guide-2021-03 (Caterpillar)Spec sheet — LEDM3457-27 (Caterpillar)Spec sheet — LEDW8066-00 (Caterpillar)Spec sheet — LEHW7449-00 (Caterpillar)Spec sheet — LEHW7451-00 (Caterpillar)Reference — CMPS+News+Flash+-+Moonen+yachts+rely+on+Caterpillar+powerReference — LFDH5502-01 HR (Caterpillar)Reference — SELF5520 web (Caterpillar)Parts manual — Interstate-McBee-Caterpillar-Custom-Gasket-Set-Catalog (Caterpillar)Parts manual — KMP-Brand®Parts-Guide-Suitable-for-Caterpillar®By-Product (Caterpillar)Parts manual — LFDH6161-00 HR (Caterpillar)Parts manual — ledh6161 attachments guide (Caterpillar)

Other sets with this engine

Caterpillar X01140Caterpillar XQ1140Caterpillar XQ1140 Tier 4 FinalCaterpillar XQ570Caterpillar XQ570 Tier 4 Final