Cummins QSK38-G17
Cummins QSK38-G17 37.885 L V12 diesel engine for generator and industrial constant-speed applications. EPA annual certification data lists up to 1,399 kW mechanical power at 1800 RPM. U.S. EPA Tier 2. Electrical ratings are stored only where an official Cummins generator-set rating card identifies the exact engine model.
QSK38 Series

- Configuration
- V12
- Displacement
- 37.885 L
- Fuel
- Diesel
Power Ratings
kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf
60 Hz1800 RPM
| Rating | Prime | Standby |
|---|---|---|
| Electrical output kWe | 1,136 | 1,250 |
| Apparent power kVA | 1,420 | 1,563 |
Datasheet & documents
Match the model number on your engine plate to the document. Check its revision date and the speed and duty listed for each power rating.
Technical specifications
Technical Specifications
| Brand | Cummins |
| Model | QSK38-G17 |
| Series | QSK38 Series |
| Configuration | V12 |
| Cylinders | 12 |
| Displacement | 37.885 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 |
Check your engine model
The Cummins QSK38-G17 is a diesel generator-drive engine for 60 Hz generator sets, rated at 1,563 kVA / 1,250 kWe / standby rating. Match the model and serial number on your engine plate when requesting a manual or parts. The ratings and emissions information below help identify the version fitted to your generator.
Other ways this model is written
QSK38-G17 repair parts
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Parts reference availability
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Frequently asked questions
What is the power output of the Cummins QSK38-G17?
The Cummins QSK38-G17 is rated at 1,563 kVA standby / 1,420 kVA prime at 60 Hz (1,800 rpm).
Does the QSK38-G17 run at 50 Hz or 60 Hz?
The Cummins QSK38-G17 is rated for 60 Hz (1,800 rpm).
What fuel does the Cummins QSK38-G17 use?
The Cummins QSK38-G17 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the QSK38-G17?
The Cummins QSK38-G17 is a V12 (12-cylinder) engine with a displacement of 37.885 L.
What emissions information is listed for the QSK38-G17?
This record lists U.S. EPA Tier 2 for the Cummins QSK38-G17. 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 QSK38-G17?
The Cummins QSK38-G17 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 QSK38-G17?
This page links reference documents for the Cummins QSK38-G17. Check each document's title, model coverage, revision and rating conditions before using it for selection.
