Cummins
Cummins QSK50G12
QSK Series
Cummins QSK50G12 generator-drive diesel engine discovered in the GenProBase public selector. GenProBase lists 2 row(s) across 50Hz, 60Hz with 50 L displacement, 16V 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.
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- Manufacturer files
- No datasheet
- Last updated
- 2026-08-05
- Package route
- diesel generator sets
- Standby Power · 50 Hz
- 1,700 kVA
- Electrical Output
- 1,360 kWe
- Cylinders
- V16
- Displacement
- 50 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
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 1328 | 1232 | — |
| Standby Power | 1477 | 1360 | — |
60 Hz1800 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 1470 | 1365 | — |
| Standby Power | 1656 | 1500 | — |
Cummins QSK50G12 generator set context
The Cummins QSK50G12 is listed here as a diesel generator-drive engine for 50 Hz and 60 Hz generator sets, with a headline 1,700 kVA / 1,360 kWe / standby rating. Use this page to compare the published engine output, electrical kWe/kVA ratings, emissions level, datasheet availability, and neighboring models before specifying an alternator, controller, enclosure, voltage, and compliance package.
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Technical Specifications
| Brand | Cummins |
| Model | QSK50G12 |
| Series | QSK Series |
| Configuration | L16, turbocharged aftercooled |
| Cylinders | 16 |
| Displacement | 50 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | U.S. EPA Tier 2 |
| Certifications | U.S. EPA Tier 2 |
| Country of Origin | United Kingdom |
Frequently asked questions
What is the power output of the Cummins QSK50G12?
The Cummins QSK50G12 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 QSK50G12 run at 50 Hz or 60 Hz?
The Cummins QSK50G12 is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).
What fuel does the Cummins QSK50G12 use?
The Cummins QSK50G12 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the QSK50G12?
The Cummins QSK50G12 is a V16 (16-cylinder) engine with a displacement of 50 L.
What emissions standard does the QSK50G12 meet?
The Cummins QSK50G12 is certified to U.S. EPA Tier 2 emissions standards.
Is the Cummins QSK50G12 still in production?
Yes — the Cummins QSK50G12 is a current production model.