Cummins
Cummins QSL9-G3
QSL9
Cummins QSL9-G3 8.8L 6-cylinder diesel engine for generator sets. 225 kWe prime / 250 kWe standby at 60Hz. EPA Tier 3. Turbocharged, Intercooled.
- Standby Power · 50 Hz
- 275 kVA
- Electrical Output
- 220 kWe
- Cylinders
- L6
- Displacement
- 8.8 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 | 222.2 | 200 | 250 |
| Standby Power | 244.4 | 220 | 275 |
60 Hz1800 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 250 | 225 | 281.3 |
| Standby Power | 277.8 | 250 | 312.5 |
Cummins QSL9-G3 generator set context
The Cummins QSL9-G3 is listed here as a diesel generator-drive engine for 50 Hz and 60 Hz generator sets, with a headline 275 kVA / 220 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 | QSL9-G3 |
| Series | QSL9 |
| Configuration | L6 |
| Cylinders | 6 |
| Displacement | 8.8 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | U.S. EPA Tier 3 |
| Country of Origin | United States |
Frequently asked questions
What is the power output of the Cummins QSL9-G3?
The Cummins QSL9-G3 is rated at 275 kVA standby / 250 kVA prime at 50 Hz (1,500 rpm); and 313 kVA standby / 281 kVA prime at 60 Hz (1,800 rpm).
Does the QSL9-G3 run at 50 Hz or 60 Hz?
The Cummins QSL9-G3 is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).
What fuel does the Cummins QSL9-G3 use?
The Cummins QSL9-G3 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the QSL9-G3?
The Cummins QSL9-G3 is an inline-6 (6-cylinder) engine with a displacement of 8.8 L.
What emissions standard does the QSL9-G3 meet?
The Cummins QSL9-G3 is certified to U.S. EPA Tier 3 emissions standards.
Is the Cummins QSL9-G3 still in production?
Yes — the Cummins QSL9-G3 is a current production model.
Is a datasheet available for the QSL9-G3?
Yes — an official Cummins datasheet for the Cummins QSL9-G3 can be downloaded from this page.
Related Engines
Compare Cummins QSL9-G3
Reference
- Canonical page
- /engines/cummins-qsl9-g3
- Last database update
- 2026-06-28
- Manufacturer files
- 1 datasheet linked
Need this engine?
Need a generator package using this engine? Haifeng Machinery can help with sizing, alternator selection, controller, enclosure, voltage, and compliance support.
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