Cummins
Cummins C550N6
GTA38E Genset
Cummins C550N6 is a 550 kWe standby, 60 Hz natural-gas generator set operating at 1800 RPM. Cummins lists the GTA38E engine and EPA stationary compliance, with a separate 500 kWe demand-response rating.
Overhaul & repair parts- Manufacturer files
- 1 datasheet
- Last updated
- 2026-07-26
- Package route
- gas generator sets
- Standby Power · 60 Hz
- 688 kVA
- Electrical Output
- 550 kWe
- Cylinders
- V12
- Displacement
- 37.7 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 | — | 550 | 688 |
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Cummins C550N6 generator set context
The Cummins C550N6 is listed here as a natural gas generator-drive engine for 60 Hz generator sets, with a headline 688 kVA / 550 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 | C550N6 |
| Series | GTA38E Genset |
| Configuration | V12 Stoichiometric Turbocharged Aftercooled |
| Cylinders | 12 |
| Displacement | 37.7 L |
| Fuel Type | Natural Gas |
| Ignition Type | Spark Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | U.S. EPA Stationary |
| Certifications | U.S. EPA Stationary, U.S. EPA Stationary Non-Emergency, U.S. EPA NSPS |
| Country of Origin | United States |
Frequently asked questions
What is the power output of the Cummins C550N6?
The Cummins C550N6 is rated at 688 kVA standby at 60 Hz (1,800 rpm).
Does the C550N6 run at 50 Hz or 60 Hz?
The Cummins C550N6 is rated for 60 Hz (1,800 rpm).
What fuel does the Cummins C550N6 use?
The Cummins C550N6 is a Natural Gas generator-set engine.
What is the displacement and cylinder configuration of the C550N6?
The Cummins C550N6 is a V12 (12-cylinder) engine with a displacement of 37.7 L.
What emissions information is listed for the C550N6?
This record lists U.S. EPA Stationary for the Cummins C550N6. 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 C550N6?
The Cummins C550N6 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 C550N6?
This page links reference documents for the Cummins C550N6. Check each document's title, model coverage, revision and rating conditions before using it for selection.