Cummins INDUSTRIAL ENGINES

In Production

Cummins QSG12-G4

QSG12

Cummins QSG12-G4 11.8L in-line 6-cylinder diesel engine for generator sets. 333 kWe prime / 364 kWe standby at 50Hz (383 / 418 kWe at 60Hz). Cummins High Pressure Common Rail fuel system, air-to-air charge cooled. Turbocharged, Charge Air Cooled.

Cummins QSG12-G4|HEAVY INDUSTRIAL CLASSIFICATION
GENSET ARCHITECTURE: L611.8 L
HEAVY-DUTY GENSET INTEGRATION PLATFORM
POWER CLASSIFICATION523 kVA
ELECTRICAL OUTPUT418 kWe
FUEL SYSTEMDiesel
READY FOR TURNKEY PACKAGING

Standby Power

523 kVA

Electrical Output

418 kWe

Cylinders / Config

L6

Displacement

11.8 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)
Prime356333416
Standby390364455
60 Hz Grid Frequency1800 RPM
Operating DutykWm (Mechanical)kWe (Electrical)kVA (Rating)
Prime408383479
Standby445418523

Mechanical & Electrical Specifications

BrandCummins
ModelQSG12-G4
SeriesQSG12
ConfigurationL6
Cylinders6
Displacement11.8 L
Fuel Consumption82 L/hr
Dry Weight1110 kg
Dimensions (L×W×H)2293 × 1083 × 1705 mm
Fuel TypeDiesel
Ignition TypeCompression Ignition
Cooling MethodLiquid-Cooled
Emissions StandardUnregulated
Country of OriginChina

Frequently Asked Questions

What is the power output of the Cummins QSG12-G4?

The Cummins QSG12-G4 is rated at 455 kVA standby / 416 kVA prime at 50 Hz (1,500 rpm); and 523 kVA standby / 479 kVA prime at 60 Hz (1,800 rpm).

Does the QSG12-G4 run at 50 Hz or 60 Hz?

The Cummins QSG12-G4 is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).

What fuel does the Cummins QSG12-G4 use?

The Cummins QSG12-G4 is a diesel generator-set engine.

What is the displacement and cylinder configuration of the QSG12-G4?

The Cummins QSG12-G4 is an inline-6 (6-cylinder) engine with a displacement of 11.8 L.

Is the Cummins QSG12-G4 still in production?

Yes — the Cummins QSG12-G4 is a current production model.

Is a datasheet available for the QSG12-G4?

Yes — an official Cummins datasheet for the Cummins QSG12-G4 can be downloaded from this page.

Sibling & Competing Engine Models