Cummins
Cummins QSNT-G3
QSN Series
The Cummins QSNT-G3 is a 14-litre inline-6 diesel engine for generator sets, rated at 438 kVA / 350 kWe standby power at 1,500 RPM (50 Hz). It is a liquid-cooled engine built in China.
- Standby Power · 50 Hz
- 438 kVA
- Electrical Output
- 350 kWe
- Cylinders
- L6
- Displacement
- 14 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 | 355.6 | 320 | 400 |
| Standby Power | 388.9 | 350 | 437.5 |
60 Hz1800 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 355.6 | 320 | 400 |
| Standby Power | 388.9 | 350 | 437.5 |
Technical Specifications
| Brand | Cummins |
| Model | QSNT-G3 |
| Series | QSN Series |
| Configuration | L6 |
| Cylinders | 6 |
| Displacement | 14 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | China National Stage III / Unregulated |
| Country of Origin | China |
Frequently asked questions
What is the power output of the Cummins QSNT-G3?
The Cummins QSNT-G3 is rated at 438 kVA standby / 400 kVA prime at 50 Hz (1,500 rpm); and 438 kVA standby / 400 kVA prime at 60 Hz (1,800 rpm).
Does the QSNT-G3 run at 50 Hz or 60 Hz?
The Cummins QSNT-G3 is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).
What fuel does the Cummins QSNT-G3 use?
The Cummins QSNT-G3 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the QSNT-G3?
The Cummins QSNT-G3 is an inline-6 (6-cylinder) engine with a displacement of 14 L.
Is the Cummins QSNT-G3 still in production?
Yes — the Cummins QSNT-G3 is a current production model.
Is a datasheet available for the QSNT-G3?
Yes — an official Cummins datasheet for the Cummins QSNT-G3 can be downloaded from this page.
Related Engines
Compare Cummins QSNT-G3
Reference
- Canonical page
- /engines/cummins-qsnt-g3
- Last database update
- 2026-05-29
- Manufacturer files
- 2 datasheets linked
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