Cummins
Cummins QSF2.8
QSF Series
Cummins QSF2.8 2.776 L inline-4 turbocharged diesel engine. EPA annual certification records list 54 kWm at 1800 RPM from 2020 through 2023. Cummins identifies the QSF2.8 as U.S. EPA Tier 4 Final and Euro Stage IV.
- Electrical Output
- 54 kW
- Cylinders
- L4
- Displacement
- 2.776 L
- Rated Speed
- 1,500 RPM
Cummins QSF2.8 generator set context
The Cummins QSF2.8 is listed here as a diesel generator-drive engine for 50 Hz generator sets, with a headline 54 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 | QSF2.8 |
| Series | QSF Series |
| Configuration | L4 Turbocharged |
| Cylinders | 4 |
| Displacement | 2.776 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | U.S. EPA Final Tier 4 / Euro Stage IV |
| Certifications | U.S. EPA Tier 4 Final, Euro Stage IV |
| Country of Origin | United States |
Frequently asked questions
What fuel does the Cummins QSF2.8 use?
The Cummins QSF2.8 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the QSF2.8?
The Cummins QSF2.8 is an inline-4 (4-cylinder) engine with a displacement of 2.776 L.
What emissions standard does the QSF2.8 meet?
The Cummins QSF2.8 is certified to U.S. EPA Final Tier 4 / Euro Stage IV emissions standards.
Is the Cummins QSF2.8 still in production?
Yes — the Cummins QSF2.8 is a current production model.
Is a datasheet available for the QSF2.8?
Yes — an official Cummins datasheet for the Cummins QSF2.8 can be downloaded from this page.
Reference
- Canonical page
- /engines/cummins-qsf28
- Last database update
- 2026-07-25
- Manufacturer files
- 1 datasheet linked
Need this engine?
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