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Cummins QSK50-G4

QSK50 Series

In Production

The Cummins QSK50-G4 is a 50.3-litre V16 diesel engine for generator sets, rated at 1,700 kVA / 1,360 kWe standby power at 1,500 RPM (50 Hz). It is a liquid-cooled engine built in United States. It meets U.S. EPA Tier 2 emissions standards.

Cummins QSK50-G4 50.3L V16 diesel generator engine — 1,700 kVA standby specifications
Cummins QSK50-G4 50.3L V16 diesel generator engine — 1,700 kVA standby specifications
Standby Power · 50 Hz
1,700 kVA
Electrical Output
1,360 kWe
Cylinders
V16
Displacement
50.3 L
Rated Speed
1,500 / 1,800 RPM

Power Ratings

kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf

50 Hz1500 RPM

kWmkWekVA
Prime Power1368.912321540
Standby Power1511.113601700

60 Hz1800 RPM

kWmkWekVA
Prime Power1516.713651706.3
Standby Power1666.715001875

Technical Specifications

BrandCummins
ModelQSK50-G4
SeriesQSK50 Series
ConfigurationV16
Cylinders16
Displacement50.3 L
Fuel TypeDiesel
Ignition TypeCompression Ignition
Cooling MethodLiquid-Cooled
Emissions StandardU.S. EPA Tier 2
Country of OriginUnited States

Frequently asked questions

What is the power output of the Cummins QSK50-G4?

The Cummins QSK50-G4 is rated at 1,700 kVA standby / 1,540 kVA prime at 50 Hz (1,500 rpm); and 1,875 kVA standby / 1,706 kVA prime at 60 Hz (1,800 rpm).

Does the QSK50-G4 run at 50 Hz or 60 Hz?

The Cummins QSK50-G4 is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).

What fuel does the Cummins QSK50-G4 use?

The Cummins QSK50-G4 is a diesel generator-set engine.

What is the displacement and cylinder configuration of the QSK50-G4?

The Cummins QSK50-G4 is a V16 (16-cylinder) engine with a displacement of 50.3 L.

What emissions standard does the QSK50-G4 meet?

The Cummins QSK50-G4 is certified to U.S. EPA Tier 2 emissions standards.

Is the Cummins QSK50-G4 still in production?

Yes — the Cummins QSK50-G4 is a current production model.

Is a datasheet available for the QSK50-G4?

Yes — an official Cummins datasheet for the Cummins QSK50-G4 can be downloaded from this page.

Reference

Last database update
2026-05-29
Manufacturer files
1 datasheet linked

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