Cummins INDUSTRIAL ENGINES

In Production

Cummins QST30G4

Cummins QST30G4 generator-drive diesel engine discovered in the GenProBase public selector. GenProBase lists 2 row(s) across 50Hz, 60Hz with 30 L displacement, 12V cylinders, liquid-cooled cooling, and Unregulated emissions labeling. Treat this row as source-discovered and prioritize OEM datasheet attachment in a follow-up pass.

Cummins QST30G4|HEAVY INDUSTRIAL CLASSIFICATION
GENSET ARCHITECTURE: L12, turbocharged aftercooled30 L
HEAVY-DUTY GENSET INTEGRATION PLATFORM
POWER CLASSIFICATIONN/A
ELECTRICAL OUTPUT1000 kWe
FUEL SYSTEMDiesel
READY FOR TURNKEY PACKAGING

Electrical Output

1000 kWe

Cylinders / Config

L12, turbocharged aftercooled

Displacement

30 L

Rated Speed

1,500 RPM

ISO 8528 Power Ratings

Power Factor: 0.8 pf

kWm = mechanical engine shaft power · kWe = electrical output · kVA = apparent electrical power.

50 Hz Grid Frequency1500 RPM
Operating DutykWm (Mechanical)kWe (Electrical)kVA (Rating)
Prime880800—
Standby970880—
60 Hz Grid Frequency1800 RPM
Operating DutykWm (Mechanical)kWe (Electrical)kVA (Rating)
Prime1007910—
Standby11121000—

Mechanical & Electrical Specifications

BrandCummins
ModelQST30G4
ConfigurationL12, turbocharged aftercooled
Cylinders12
Displacement30 L
Fuel TypeDiesel
Ignition TypeCompression Ignition
Cooling MethodLiquid-Cooled
Emissions StandardUnregulated
Country of OriginUnited States

Frequently Asked Questions

What is the power output of the Cummins QST30G4?

The Cummins QST30G4 is rated at 1,100 kVA standby / 1,000 kVA prime at 50 Hz (1,500 rpm); and 1,250 kVA standby / 1,138 kVA prime at 60 Hz (1,800 rpm).

Does the QST30G4 run at 50 Hz or 60 Hz?

The Cummins QST30G4 is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).

What fuel does the Cummins QST30G4 use?

The Cummins QST30G4 is a diesel generator-set engine.

What is the displacement and cylinder configuration of the QST30G4?

The Cummins QST30G4 is a V12 (12-cylinder) engine with a displacement of 30 L.

Is the Cummins QST30G4 still in production?

Yes — the Cummins QST30G4 is a current production model.

Sibling & Competing Engine Models