Caterpillar
Caterpillar G3512H
3500
Caterpillar G3512H — 50.5 L V12 spark-ignited natural gas generator engine (Cat G3500 series). 1500 ekW continuous at 1500 rpm (1490 ekW @ 60 Hz); high-output Miller-cycle; EPA Factory Certified. Source: Cat 2024 Electric Power Ratings Guide.
- Manufacturer files
- 3 datasheets
- Last updated
- 2026-07-25
- Package route
- gas generator sets
- Prime Power · 50 Hz
- 1,875 kVA
- Electrical Output
- 1,500 kWe
- Cylinders
- V12
- Displacement
- 59 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 | — | 1500 | 1875 |
60 Hz1800 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | — | 1490 | 1862.5 |
Caterpillar G3512H generator set context
The Caterpillar G3512H is listed here as a natural gas generator-drive engine for 50 Hz and 60 Hz generator sets, with a headline 1,875 kVA / 1,500 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.
Also searched as
Technical Specifications
| Brand | Caterpillar |
| Model | G3512H |
| Series | 3500 |
| Configuration | V12 Turbocharged Aftercooled |
| Cylinders | 12 |
| Displacement | 59 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 G3512H?
The Caterpillar G3512H is rated at 1,875 kVA prime at 50 Hz (1,500 rpm); and 1,863 kVA prime at 60 Hz (1,800 rpm).
Does the G3512H run at 50 Hz or 60 Hz?
The Caterpillar G3512H is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).
What fuel does the Caterpillar G3512H use?
The Caterpillar G3512H is a Natural Gas generator-set engine.
What is the displacement and cylinder configuration of the G3512H?
The Caterpillar G3512H is a V12 (12-cylinder) engine with a displacement of 59 L.
What emissions standard does the G3512H meet?
The Caterpillar G3512H is certified to U.S. EPA Stationary emissions standards.
Is the Caterpillar G3512H still in production?
Yes — the Caterpillar G3512H is a current production model.
Is a datasheet available for the G3512H?
Yes — an official Caterpillar datasheet for the Caterpillar G3512H can be downloaded from this page.