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.
- 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 |
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 standard does the G3412C meet?
The Caterpillar G3412C is certified to U.S. EPA Stationary emissions standards.
Is the Caterpillar G3412C still in production?
Yes — the Caterpillar G3412C is a current production model.
Is a datasheet available for the G3412C?
Yes — an official Caterpillar datasheet for the Caterpillar G3412C can be downloaded from this page.