Haifeng Machinery

Cummins QST30G2

Cummins QST30G2 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.

Production StatusIn Production
Representative Cummins engine
Electrical output 50 Hz · 1500 RPM
Prime power643 kWe
Standby power688 kWe
Configuration
L12, turbocharged aftercooled
Displacement
30 L
Fuel
Diesel

Power Ratings

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

50 Hz1500 RPM

RatingPrimeStandby
Mechanical power kWm698768
Electrical output kWe643688

60 Hz1800 RPM

RatingPrimeStandby
Mechanical power kWm809895
Electrical output kWe740800

Datasheet & documents

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Documents

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Cummins QST30G2 30L L12, turbocharged aftercooled diesel generator engine — 860 kVA standby specifications

Technical specifications

Technical Specifications

BrandCummins
ModelQST30G2
ConfigurationL12, turbocharged aftercooled
Cylinders12
Displacement30 L
Fuel TypeDiesel
Ignition TypeCompression Ignition
Cooling MethodLiquid-Cooled
Emissions StandardUnregulated
Country of OriginUnited States

Check your engine model

The Cummins QST30G2 is a diesel generator-drive engine for 50 Hz and 60 Hz generator sets, rated at 860 kVA / 688 kWe / standby rating. Match the model and serial number on your engine plate when requesting a manual or parts. The ratings and emissions information below help identify the version fitted to your generator.

Other ways this model is written

qst30g2Cummins QST30G2

QST30G2 repair parts

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Frequently asked questions

What is the power output of the Cummins QST30G2?

The Cummins QST30G2 is rated at 860 kVA standby / 804 kVA prime at 50 Hz (1,500 rpm); and 1,000 kVA standby / 925 kVA prime at 60 Hz (1,800 rpm).

Does the QST30G2 run at 50 Hz or 60 Hz?

The Cummins QST30G2 is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).

What fuel does the Cummins QST30G2 use?

The Cummins QST30G2 is a diesel generator-set engine.

What is the displacement and cylinder configuration of the QST30G2?

The Cummins QST30G2 is a V12 (12-cylinder) engine with a displacement of 30 L.

What is the catalog status of the Cummins QST30G2?

The Cummins QST30G2 is marked active in this database. Confirm current production and availability with the manufacturer; catalog status is not a live supply check.

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