Cummins
Cummins QSB7-G4
QSB Series
Cummins QSB7-G4 6.69 L L6 Turbocharged diesel engine for 60 Hz generator applications. The 2026 EPA record certifies up to 214 kWm at 1800 RPM. U.S. EPA Tier 3.
- Electrical Output
- 214 kW
- Cylinders
- L6
- Displacement
- 6.69 L
- Rated Speed
- 1,500 RPM
Cummins QSB7-G4 generator set context
The Cummins QSB7-G4 is listed here as a diesel generator-drive engine for 50 Hz generator sets, with a headline 214 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 | QSB7-G4 |
| Series | QSB Series |
| Configuration | L6 Turbocharged |
| Cylinders | 6 |
| Displacement | 6.69 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | U.S. EPA Tier 3 |
| Certifications | U.S. EPA Tier 3 |
| Country of Origin | United States |
Frequently asked questions
What fuel does the Cummins QSB7-G4 use?
The Cummins QSB7-G4 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the QSB7-G4?
The Cummins QSB7-G4 is an inline-6 (6-cylinder) engine with a displacement of 6.69 L.
What emissions standard does the QSB7-G4 meet?
The Cummins QSB7-G4 is certified to U.S. EPA Tier 3 emissions standards.
Is the Cummins QSB7-G4 still in production?
Yes — the Cummins QSB7-G4 is a current production model.
Reference
- Canonical page
- /engines/cummins-qsb7-g4
- Last database update
- 2026-07-25
- Manufacturer files
- No datasheet linked yet
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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