HomeCaterpillarCaterpillar SR4

Caterpillar SR4 Generator Set

The Caterpillar SR4 is a 200 kW (310 kVA) Diesel standby generator set powered by a Caterpillar C9 ATAAC engine. It is available at 600 V and 346 V, STAR-phase, 60 Hz and rated 872.8 A. It holds about 40 L (10.6 gal) of oil and 45.5 L (12.0 gal) of coolant, with a maximum ambient rating of 40 °C. The set measures 5567.6×1797×2676.7 mm (219.2×70.7×105.4 in), weighs about 4084 kg (9004 lb) and produces 73.95 dBA at 23 m. An integrated tank holds 1158 L (305.9 gal), roughly 11 hours of runtime.

200 kW
Standby
8.8 L
Displacement
40.0 L
Oil capacity
3
Document types

Specifications

FuelDiesel
Frequency60.0 Hz
Standby power200 kW
Standby kVA310
Prime power180 kW
EmissionsEPA Tier 3 and CARB Emissions Certified
ControllerCaterpillar EMCP Il, EMCP3, Electronic ADEM II
Oil capacity40.0 L
Voltage options600 V, 346 V
PhaseSTAR
Rated current872.8 A
Power factor0.7
Circuit breaker[700, 350, 350, 50, 20, 20, 15, 50, 20, 20, 15] A
Coolant capacity45.5 L
Max ambient40 °C
Dimensions (L×W×H)5567×1797×2676 mm
Dry weight4084 kg
Sound level73.95 dBA @ 23 m
Fuel tank1516.0 L
Tank runtime[11, 22] hr

Engine

Caterpillar C9 ATAAC
Oil capacity39.0 L
Coolant capacity46.7 L
Displacement8.8 L
AspirationAir-to-air aftercooled
Rated speed1800 rpm

Maintenance & consumables

for the Caterpillar C9 ATAAC
ItemSpecCapacityPart #Interval
Air filter3000 hr find
Fuel filter18000 hr find
Oil filter3600 hr find
Belt find
Coolant22.0 liters18000 hr
Oil1500 hr

Parts

24
Part #DescriptionQtySystem
g00780729Illustration 1(1) Valve cover(2) Hydraulic PumpPump buy
1W7848GENERATOR NUMBERService part / kit buy
888-983-7847[No description provided]1Service part / kit buy
8889837647LOCK-RETAINER 5 weirService part / kit buy
g00704000Fire Prevention and Explosion PreventionService part / kit buy
g00771448Electrical System - Grounding PracticesService part / kit buy
g01063102Caterpillar Messenger DisplayService part / kit buy
g01129459Illustration 18 (1) Serial Number PlateService part / kit buy
g01129463Illustration 19 (2) Information PlateService part / kit buy
i00910470Engine StartingService part / kit buy
i00911989Before Starting EngineService part / kit buy
i01359666Crushing Prevention and Cutting PreventionService part / kit buy
i01372247Mounting and DismountingService part / kit buy
i01372254OilsService part / kit buy
i01463253Diagnostic LampService part / kit buy
i01563743Engine ElectronicsService part / kit buy
i01563934Self-DiagnosticsService part / kit buy
i02238548Diagnostic Flash Code RetrievalService part / kit buy
i02240570Plate Locations and Film LocationsService part / kit buy
i02246834Safety MessagesService part / kit buy
i02276735Welding on Engines with Electronic ControlsService part / kit buy
i02469632Engine StoppingService part / kit buy
i02472408Monitoring System (If Equipped)Service part / kit buy
i07966018Important Safety Information1-UPService part / kit buy

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
Prime
Prime75%63.516.8
Prime100%69.9
Standby89.123.5
Standby50%145.838.5
Standby75%211.655.9
Standby100%44.5

Available documents

Engine specSpec sheetService manual