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.
Overhaul & repair parts- Manufacturer files
- 1 datasheet
- Last updated
- 2026-07-25
- Package route
- diesel generator sets
- Mechanical Output
- 214 kW
- Cylinders
- L6
- Displacement
- 6.69 L
- Rated Speed
- 1,500 RPM
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Cummins QSB7-G4 overhaul & repair parts
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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 information is listed for the QSB7-G4?
This record lists U.S. EPA Tier 3 for the Cummins QSB7-G4. 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 QSB7-G4?
The Cummins QSB7-G4 is marked active in this database. Confirm current production and availability with the manufacturer; catalog status is not a live supply check.
Are reference documents available for the QSB7-G4?
This page links reference documents for the Cummins QSB7-G4. Check each document's title, model coverage, revision and rating conditions before using it for selection.