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Caterpillar XQ1140 Generator Set

The Caterpillar XQ1140 is a 1000 kW (1250 kVA) Diesel standby generator set powered by a Caterpillar C18 ACERT engine. It is available at 208/480 V, Three-phase-phase and 60 Hz. It holds about 74 L (19.5 gal) of oil and 201.4 L (53.2 gal) of coolant, with a maximum ambient rating of 53.8 °C. Starting uses 2 batteries rated 1400 CCA. The set measures 12192×2438×2896 mm (480.0×96.0×114.0 in), weighs about 26995 kg (59514 lb) and produces 76 dBA at 7 m. An integrated tank holds 4770 L (1260.1 gal), roughly 22 hours of runtime.

1000 kW
Standby
18.1 L
Displacement
74.0 L
Oil capacity
2
Document types

How to read your Caterpillar serial & model number →

Specifications

FuelDiesel
Frequency60.0 Hz
Standby power1000 kW
Standby kVA1250
Prime power910 kW
EmissionsTier 4
ControllerEMCP 4.4
Oil capacity74.0 L
AlternatorCaterpillar Charging alternator; 24V-80A, heavy duty with integral regulator and belt guards
Voltage options208/480 V
PhaseThree-phase
Circuit breaker2000 A
Battery cranking1400 CCA
Battery quantity2
Coolant capacity201.4 L
Max ambient53.8 °C
Dimensions (L×W×H)12192×2438×2896 mm
Dry weight26995 kg
Sound level76.0 dBA @ 7 m
Fuel tank4770.0 L
Tank runtime22 hr

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— find
Fuel filter— find
Oil filter3890434 PartsGeek
Belt— find
Coolant20.8—
Coolant filter— find
Oil74.0—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 1063973 Caterpillar 1327169 Caterpillar 1236856 Caterpillar 30009151 Caterpillar 2310167
  • Fuel filter: Caterpillar 1165436 Caterpillar 3089679 Caterpillar 3890433 Donaldson P550625 Donaldson P551311
  • Fuel filter (secondary): Caterpillar 1165436 Caterpillar 3089679 Donaldson P550625 Donaldson P551311

Common questions

What is the power rating of the Caterpillar XQ1140?

The Caterpillar XQ1140 is rated 1000 kW standby (1250.0 kVA).

What engine does the Caterpillar XQ1140 use?

The Caterpillar XQ1140 is powered by the Caterpillar C18 ACERT engine.

What fuel does the Caterpillar XQ1140 use?

The Caterpillar XQ1140 runs on Diesel.

What is the oil capacity of the Caterpillar XQ1140?

The Caterpillar C18 ACERT engine in the Caterpillar XQ1140 has an oil capacity of 62.0 liters.

What alternator does the Caterpillar XQ1140 use?

The Caterpillar XQ1140 uses a Caterpillar Charging alternator; 24V-80A, heavy duty with integral regulator and belt guards alternator.

Parts

67
Part #DescriptionQtySystem
2243245Connecting rodsConnecting rod PartsGeek FridayParts $299.85
420-5855Water Pump Seal Installer (Dimensions: 47 x 45 mm, Weight: .463 kg)Water pump seal installer 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-3687815PistonPiston PartsGeek
M-3687816PistonPiston PartsGeek
M-3687817PistonPiston PartsGeek
M-4154993Gasket Set - Single Cylinder Head - C18Gasket set PartsGeek
M-4446485Gasket Set - C13-C15-C18 Front StructureGasket set PartsGeek
M-CK3687815PKit - Cylinder KitCylinder kit PartsGeek
M-CK3687816PKit - Cylinder KitCylinder kit PartsGeek
M-CK3687817PCylinder KitCylinder kit PartsGeek
MCB3306031MAJOR OVERHAUL GASKET SET1Gasket PartsGeek
MCB3306032GASKET SET1Gasket PartsGeek
MCB3306033CYLINDER HEAD GASKET SET1Gasket PartsGeek
MCB3306121MAJOR OVERHAUL GASKET SET1Gasket PartsGeek
MCB3306122GASKET SET1Gasket PartsGeek
MCB3306123CYLINDER HEAD GASKET SET1Gasket PartsGeek
249-0439Oxidation Catalyst Assembly - RoundService part / kit PartsGeek
256-0331Oxidation Catalyst Assembly - RoundService part / kit PartsGeek
888-983-7847ENGINE BLOCK CRANKSHAFTService part / kit PartsGeek
A100Download SpecificationService part / kit PartsGeek yemparts $3013.26
R-20R2284C15/C18/C27/C32 ACERT Trim file (12-digit serial)Service part / kit PartsGeek
R-20R2285C15/C18/C27/C32 ACERT Trim file (12-digit serial)Service 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
g00702020Illustration 4Service part / kit PartsGeek
g00704000Illustration 8Service part / kit PartsGeek
g00704059Illustration 9Service 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 PreventionService part / kit PartsGeek
i01372247Mounting and DismountingService 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
i02109067SMCS Code: 1000; 1400; 14501Service 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
Prime50%156.041.0
Prime75%214.056.6
Prime100%66.8
Standby100%272.071.8
Standby110%37.9

Available documents

Spec sheet — 1 MW 2020 Used Caterpillar XQ1140 Tier 4 Diesel Generator USP010025 (Caterpillar)Spec sheet — USP010024 Specs (Caterpillar)Spec sheet — USP010905 (Caterpillar)Spec sheet — XQ-Range-Flyer-1 (Caterpillar)Spec sheet — XQ1140 SPEC SHEET (Caterpillar)Spec sheet — cat-xq1140 (Caterpillar)Reference — Caterpillar Gen Disc List RFP November 2022 (Caterpillar)

Other sets with this engine

Caterpillar C18Caterpillar X01140Caterpillar XQ1140 Tier 4 FinalCaterpillar XQ570Caterpillar XQ570 Tier 4 Final