Caterpillar
Caterpillar G3412C
3400
Caterpillar G3412C — 27 L V12 spark-ignited natural gas generator engine (Cat G3400 series). 374 ekW continuous at 1500 rpm (423 ekW @ 60 Hz); low-emission electronic-control variant. Source: Cat 2024 Electric Power Ratings Guide.
Overhaul & repair parts- Manufacturer files
- 1 datasheet
- Last updated
- 2026-06-11
- Package route
- gas generator sets
- Prime Power · 50 Hz
- 468 kVA
- Electrical Output
- 374 kWe
- Cylinders
- V12
- Displacement
- 27 L
- Rated Speed
- 1,500 / 1,800 RPM
Power Ratings
kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf
50 Hz1500 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | — | 374 | 467.5 |
60 Hz1800 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | — | 423 | 528.8 |
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Caterpillar G3412C overhaul & repair parts
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Caterpillar G3412C generator set context
The Caterpillar G3412C is listed here as a natural gas generator-drive engine for 50 Hz and 60 Hz generator sets, with a headline 468 kVA / 374 kWe / prime 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 | Caterpillar |
| Model | G3412C |
| Series | 3400 |
| Configuration | V12 |
| Cylinders | 12 |
| Displacement | 27 L |
| Fuel Type | Natural Gas |
| Ignition Type | Spark Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | U.S. EPA Stationary |
| Country of Origin | United States |
Frequently asked questions
What is the power output of the Caterpillar G3412C?
The Caterpillar G3412C is rated at 468 kVA prime at 50 Hz (1,500 rpm); and 529 kVA prime at 60 Hz (1,800 rpm).
Does the G3412C run at 50 Hz or 60 Hz?
The Caterpillar G3412C is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).
What fuel does the Caterpillar G3412C use?
The Caterpillar G3412C is a Natural Gas generator-set engine.
What is the displacement and cylinder configuration of the G3412C?
The Caterpillar G3412C is a V12 (12-cylinder) engine with a displacement of 27 L.
What emissions information is listed for the G3412C?
This record lists U.S. EPA Stationary for the Caterpillar G3412C. 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 Caterpillar G3412C?
The Caterpillar G3412C 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 G3412C?
This page links reference documents for the Caterpillar G3412C. Check each document's title, model coverage, revision and rating conditions before using it for selection.