Cummins
Cummins QSL9G
QSL9G Series
Cummins QSL9G 8.9 L inline-6 turbocharged and aftercooled natural-gas engine rated 175 hp (131 kWm) at 1800 RPM. Cummins identifies the engine as 2011 NSPS compliant capable with the factory supplied air-fuel-ratio control and catalyst.
- Electrical Output
- 131 kW
- Cylinders
- L6
- Displacement
- 8.9 L
- Rated Speed
- 1,500 RPM
Cummins QSL9G generator set context
The Cummins QSL9G is listed here as a natural gas generator-drive engine for 50 Hz generator sets, with a headline 131 kW / 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 | QSL9G |
| Series | QSL9G Series |
| Configuration | L6 Turbocharged Aftercooled |
| Cylinders | 6 |
| Displacement | 8.9 L |
| Fuel Type | Natural Gas |
| Ignition Type | Spark Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | U.S. EPA Stationary |
| Certifications | U.S. EPA NSPS 2011 Compliant Capable |
| Country of Origin | United States |
Frequently asked questions
What fuel does the Cummins QSL9G use?
The Cummins QSL9G is a Natural Gas generator-set engine.
What is the displacement and cylinder configuration of the QSL9G?
The Cummins QSL9G is an inline-6 (6-cylinder) engine with a displacement of 8.9 L.
What emissions standard does the QSL9G meet?
The Cummins QSL9G is certified to U.S. EPA Stationary emissions standards.
Is the Cummins QSL9G still in production?
Yes — the Cummins QSL9G is a current production model.
Reference
- Canonical page
- /engines/cummins-qsl9g
- Last database update
- 2026-07-25
- Manufacturer files
- No datasheet linked yet
Need this engine?
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