Cummins
Cummins QSK78-G10
QSK Series
Cummins QSK78-G10 77.627 L V18 Turbocharged diesel engine for 60 Hz generator applications. The 2026 EPA record certifies up to 2760 kWm at 1800 RPM. U.S. EPA Tier 2.
Overhaul & repair parts- Manufacturer files
- No datasheet
- Last updated
- 2026-07-25
- Package route
- diesel generator sets
- Mechanical Output
- 2,760 kW
- Cylinders
- V18
- Displacement
- 77.627 L
- Rated Speed
- 1,500 RPM
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Cummins QSK78-G10 overhaul & repair parts
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Cummins QSK78-G10 generator set context
The Cummins QSK78-G10 is listed here as a diesel generator-drive engine for 50 Hz generator sets, with a headline 2,760 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 | QSK78-G10 |
| Series | QSK Series |
| Configuration | V18 Turbocharged |
| Cylinders | 18 |
| Displacement | 77.627 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | U.S. EPA Tier 2 |
| Certifications | U.S. EPA Tier 2 |
| Country of Origin | United States |
Frequently asked questions
What fuel does the Cummins QSK78-G10 use?
The Cummins QSK78-G10 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the QSK78-G10?
The Cummins QSK78-G10 is a V18 (18-cylinder) engine with a displacement of 77.627 L.
What emissions information is listed for the QSK78-G10?
This record lists U.S. EPA Tier 2 for the Cummins QSK78-G10. Confirm the exact engine family, model year, configuration and applicable manufacturer certification documents before specifying it for a regulated project. A database label does not establish certification of a complete generator package.
What is the catalog status of the Cummins QSK78-G10?
The Cummins QSK78-G10 is marked active in this database. Confirm current production and availability with the manufacturer; catalog status is not a live supply check.