Cummins
Cummins QSK23-G7 NR2
QSK Series
Cummins QSK23-G7 NR2 23.152 L L6 turbocharged and aftercooled diesel engine for generator sets. Cummins publishes 809 kWm prime and 910 kWm standby at 1800 RPM. U.S. EPA Tier 2.
- Electrical Output
- 910 kW
- Cylinders
- L6
- Displacement
- 23.152 L
- Rated Speed
- 1,800 RPM
Power Ratings
kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf
60 Hz1800 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 809 | — | — |
| Standby Power | 910 | — | — |
Cummins QSK23-G7 NR2 generator set context
The Cummins QSK23-G7 NR2 is listed here as a diesel generator-drive engine for 60 Hz generator sets, with a headline 910 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 | QSK23-G7 NR2 |
| Series | QSK Series |
| Configuration | L6 Turbocharged Intercooled |
| Cylinders | 6 |
| Displacement | 23.152 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 is the power output of the Cummins QSK23-G7 NR2?
The Cummins QSK23-G7 NR2 is rated at 1,138 kVA standby / 1,011 kVA prime at 60 Hz (1,800 rpm).
Does the QSK23-G7 NR2 run at 50 Hz or 60 Hz?
The Cummins QSK23-G7 NR2 is rated for 60 Hz (1,800 rpm).
What fuel does the Cummins QSK23-G7 NR2 use?
The Cummins QSK23-G7 NR2 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the QSK23-G7 NR2?
The Cummins QSK23-G7 NR2 is an inline-6 (6-cylinder) engine with a displacement of 23.152 L.
What emissions standard does the QSK23-G7 NR2 meet?
The Cummins QSK23-G7 NR2 is certified to U.S. EPA Tier 2 emissions standards.
Is the Cummins QSK23-G7 NR2 still in production?
Yes — the Cummins QSK23-G7 NR2 is a current production model.
Is a datasheet available for the QSK23-G7 NR2?
Yes — an official Cummins datasheet for the Cummins QSK23-G7 NR2 can be downloaded from this page.
Reference
- Canonical page
- /engines/cummins-qsk23-g7-nr2
- Last database update
- 2026-07-25
- Manufacturer files
- 1 datasheet linked
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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