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.
Overhaul & repair parts- Supporting documents
- 2 documents · 2 datasheets
- Last updated
- 2026-05-29
- Package route
- diesel generator sets
- 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 |
Ask about Cummins QSNT-G3
Choose parts / service or sourcing. Your message includes this model and page link.
Cummins QSNT-G3 overhaul & repair parts
Already running a Cummins QSNT-G3? Start with the parts you need, then send your nameplate so we can help check the right references for your engine.
Start with engine identification
We do not have a reviewed public parts preview for this model yet. Send the engine details and tell us what needs repair.
Let’s identify the right parts.
The model is the starting point. Serial numbers and build configurations can change which parts fit.
- Take a clear photo of the engine nameplate.
- Tell us what needs repair or replacement.
- Send both in WhatsApp to start a fitment check.
Opens WhatsApp with QSNT-G3 and your selected categories included. Attach your photos there.
Cummins QSNT-G3 generator set context
The Cummins QSNT-G3 is listed here as a diesel generator-drive engine for 50 Hz and 60 Hz generator sets, with a headline 438 kVA / 350 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.
Also searched as
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.
What is the catalog status of the Cummins QSNT-G3?
The Cummins QSNT-G3 is marked active in this database. Confirm current production and availability with the manufacturer; catalog status is not a live supply check.
Are reference documents available for the QSNT-G3?
This page links reference documents for the Cummins QSNT-G3. Check each document's title, model coverage, revision and rating conditions before using it for selection.