Cummins
Cummins QSB7-G5
QSB7
Cummins QSB7-G5 6.7L 6-cylinder diesel engine for generator sets. 200 kWe prime / 250 kWe standby at 60Hz. EPA Tier 3. Turbocharged, Intercooled.
Overhaul & repair parts- Manufacturer files
- 1 datasheet
- Last updated
- 2026-06-28
- Package route
- diesel generator sets
- Standby Power · 50 Hz
- 220 kVA
- Electrical Output
- 176 kWe
- Cylinders
- L6
- Displacement
- 6.7 L
- Rated Speed
- 1,500 / 1,800 RPM
Power Ratings
kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf
50 Hz1500 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 177.8 | 160 | 200 |
| Standby Power | 195.6 | 176 | 220 |
60 Hz1800 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 200 | 180 | 225 |
| Standby Power | 222.2 | 200 | 250 |
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Cummins QSB7-G5 generator set context
The Cummins QSB7-G5 is listed here as a diesel generator-drive engine for 50 Hz and 60 Hz generator sets, with a headline 220 kVA / 176 kWe / 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-G5 |
| Series | QSB7 |
| Configuration | L6 |
| Cylinders | 6 |
| Displacement | 6.7 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | U.S. EPA Tier 3 |
| Country of Origin | United States |
Frequently asked questions
What is the power output of the Cummins QSB7-G5?
The Cummins QSB7-G5 is rated at 220 kVA standby / 200 kVA prime at 50 Hz (1,500 rpm); and 250 kVA standby / 225 kVA prime at 60 Hz (1,800 rpm).
Does the QSB7-G5 run at 50 Hz or 60 Hz?
The Cummins QSB7-G5 is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).
What fuel does the Cummins QSB7-G5 use?
The Cummins QSB7-G5 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the QSB7-G5?
The Cummins QSB7-G5 is an inline-6 (6-cylinder) engine with a displacement of 6.7 L.
What emissions information is listed for the QSB7-G5?
This record lists U.S. EPA Tier 3 for the Cummins QSB7-G5. 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-G5?
The Cummins QSB7-G5 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-G5?
This page links reference documents for the Cummins QSB7-G5. Check each document's title, model coverage, revision and rating conditions before using it for selection.