Cummins
Cummins GTA28
GTA Gas Series
Cummins GTA28 28.0 L V12 spark-ignited natural-gas generator-drive engine for 60 Hz standby applications. The official C500N6B specification publishes 500 kWe standby at 1800 RPM and identifies the package as EPA SI NSPS compliant capable.
Overhaul & repair parts- Manufacturer files
- 1 datasheet
- Last updated
- 2026-07-25
- Package route
- gas generator sets
- Standby Power · 60 Hz
- 625 kVA
- Electrical Output
- 500 kWe
- Cylinders
- V12
- Displacement
- 28 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 | |
|---|---|---|---|
| Standby Power | 574 | 500 | 625 |
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Cummins GTA28 overhaul & repair parts
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Cummins GTA28 generator set context
The Cummins GTA28 is listed here as a natural gas generator-drive engine for 60 Hz generator sets, with a headline 625 kVA / 500 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 | GTA28 |
| Series | GTA Gas Series |
| Configuration | V12 Turbocharged |
| Cylinders | 12 |
| Displacement | 28 L |
| Fuel Type | Natural Gas |
| Ignition Type | Spark Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | U.S. EPA Stationary |
| Certifications | U.S. EPA SI NSPS Compliant Capable |
| Country of Origin | United States |
Frequently asked questions
What is the power output of the Cummins GTA28?
The Cummins GTA28 is rated at 625 kVA standby at 60 Hz (1,800 rpm).
Does the GTA28 run at 50 Hz or 60 Hz?
The Cummins GTA28 is rated for 60 Hz (1,800 rpm).
What fuel does the Cummins GTA28 use?
The Cummins GTA28 is a Natural Gas generator-set engine.
What is the displacement and cylinder configuration of the GTA28?
The Cummins GTA28 is a V12 (12-cylinder) engine with a displacement of 28 L.
What emissions information is listed for the GTA28?
This record lists U.S. EPA Stationary for the Cummins GTA28. 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 GTA28?
The Cummins GTA28 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 GTA28?
This page links reference documents for the Cummins GTA28. Check each document's title, model coverage, revision and rating conditions before using it for selection.