Cummins
Cummins QSK23G9
QSK Series
Cummins QSK23G9 generator-drive diesel engine discovered in the GenProBase public selector. GenProBase lists 1 row(s) across 50Hz with 23 L displacement, 6L cylinders, liquid-cooled cooling, and U.S. EPA Tier 2 / China III emissions labeling. Treat this row as source-discovered and prioritize OEM datasheet attachment in a follow-up pass.
Overhaul & repair parts- Manufacturer files
- No datasheet
- Last updated
- 2026-08-05
- Package route
- diesel generator sets
- Standby Power · 50 Hz
- 900 kVA
- Electrical Output
- 720 kWe
- Cylinders
- L6
- Displacement
- 23 L
- Rated Speed
- 1,500 RPM
Power Ratings
kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf
50 Hz1500 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 716 | 648 | — |
| Standby Power | 791 | 720 | — |
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Cummins QSK23G9 overhaul & repair parts
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Cummins QSK23G9 generator set context
The Cummins QSK23G9 is listed here as a diesel generator-drive engine for 50 Hz generator sets, with a headline 900 kVA / 720 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 | QSK23G9 |
| Series | QSK Series |
| Configuration | L6, turbocharged aftercooled |
| Cylinders | 6 |
| Displacement | 23 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | U.S. EPA Tier 2 / China III |
| Certifications | U.S. EPA Tier 2, China III |
| Country of Origin | India |
Frequently asked questions
What is the power output of the Cummins QSK23G9?
The Cummins QSK23G9 is rated at 900 kVA standby / 810 kVA prime at 50 Hz (1,500 rpm).
Does the QSK23G9 run at 50 Hz or 60 Hz?
The Cummins QSK23G9 is rated for 50 Hz (1,500 rpm).
What fuel does the Cummins QSK23G9 use?
The Cummins QSK23G9 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the QSK23G9?
The Cummins QSK23G9 is an inline-6 (6-cylinder) engine with a displacement of 23 L.
What emissions information is listed for the QSK23G9?
This record lists U.S. EPA Tier 2 / China III for the Cummins QSK23G9. 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 QSK23G9?
The Cummins QSK23G9 is marked active in this database. Confirm current production and availability with the manufacturer; catalog status is not a live supply check.