Cummins INDUSTRIAL ENGINES

In Production

Cummins QSK78G23

QSK Series

Cummins QSK78G23 generator-drive diesel engine discovered in the GenProBase public selector. GenProBase lists 1 row(s) across 50Hz with 78 L displacement, 18V cylinders, liquid-cooled cooling, and U.S. EPA Tier 2 emissions labeling. Treat this row as source-discovered and prioritize OEM datasheet attachment in a follow-up pass.

Cummins QSK78G23|MEGA-POWER CLASSIFICATION
GENSET ARCHITECTURE: L18, turbocharged aftercooled78 L
HEAVY-DUTY GENSET INTEGRATION PLATFORM
POWER CLASSIFICATIONN/A
ELECTRICAL OUTPUT2400 kWe
FUEL SYSTEMDiesel
READY FOR TURNKEY PACKAGING

Electrical Output

2400 kWe

Cylinders / Config

L18, turbocharged aftercooled

Displacement

78 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)
Prime23032200—
Standby26132400—

Mechanical & Electrical Specifications

BrandCummins
ModelQSK78G23
SeriesQSK Series
ConfigurationL18, turbocharged aftercooled
Cylinders18
Displacement78 L
Fuel TypeDiesel
Ignition TypeCompression Ignition
Cooling MethodLiquid-Cooled
Emissions StandardU.S. EPA Tier 2
CertificationsU.S. EPA Tier 2
Country of OriginUnited Kingdom

Frequently Asked Questions

What is the power output of the Cummins QSK78G23?

The Cummins QSK78G23 is rated at 3,000 kVA standby / 2,750 kVA prime at 50 Hz (1,500 rpm).

Does the QSK78G23 run at 50 Hz or 60 Hz?

The Cummins QSK78G23 is rated for 50 Hz (1,500 rpm).

What fuel does the Cummins QSK78G23 use?

The Cummins QSK78G23 is a diesel generator-set engine.

What is the displacement and cylinder configuration of the QSK78G23?

The Cummins QSK78G23 is a V18 (18-cylinder) engine with a displacement of 78 L.

What emissions standard does the QSK78G23 meet?

The Cummins QSK78G23 is certified to U.S. EPA Tier 2 emissions standards.

Is the Cummins QSK78G23 still in production?

Yes — the Cummins QSK78G23 is a current production model.

Sibling & Competing Engine Models