Caterpillar G3512H
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.
Production StatusIn Production
3500
- Configuration
- V12 Turbocharged Aftercooled
- Displacement
- 59 L
- Fuel
- Natural Gas
Power Ratings
kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf
50 Hz1500 RPM
| Rating | Prime |
|---|---|
| Electrical output kWe | 1,500 |
| Apparent power kVA | 1,875 |
60 Hz1800 RPM
| Rating | Prime |
|---|---|
| Electrical output kWe | 1,490 |
| Apparent power kVA | 1,862.5 |
Datasheet & documents
Match the model number on your engine plate to the document. Check its revision date and the speed and duty listed for each power rating.
Technical specifications
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 |
Check your engine model
The Caterpillar G3512H is a natural gas generator-drive engine for 50 Hz and 60 Hz generator sets, rated at 1,875 kVA / 1,500 kWe / prime rating. Match the model and serial number on your engine plate when requesting a manual or parts. The ratings and emissions information below help identify the version fitted to your generator.
Other ways this model is written
g3512hCaterpillar G3512H3500 G3512H
G3512H repair parts
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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 information is listed for the G3512H?
This record lists U.S. EPA Stationary for the Caterpillar G3512H. 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 G3512H?
The Caterpillar G3512H 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 G3512H?
This page links reference documents for the Caterpillar G3512H. Check each document's title, model coverage, revision and rating conditions before using it for selection.