Caterpillar
Caterpillar G3512
3500
Caterpillar G3512 — 50.5 L V12 (170 × 190 mm) 4-stroke spark-ignited natural-gas generator-set engine (Cat 3500 series). 525–1000 ekW across ratings/variants (standard & high-efficiency H), 1500 rpm (50 Hz) / 1800 rpm (60 Hz).
- Prime Power · 50 Hz
- 1,250 kVA
- Electrical Output
- 1,000 kWe
- Cylinders
- V12
- Displacement
- 50.5 L
- Rated Speed
- 1,500 RPM
Power Ratings
kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf
50 Hz1500 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | — | 1000 | 1250 |
Caterpillar G3512 generator set context
The Caterpillar G3512 is listed here as a natural gas generator-drive engine for 50 Hz generator sets, with a headline 1,250 kVA / 1,000 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 | G3512 |
| Series | 3500 |
| Configuration | V12 |
| Cylinders | 12 |
| Displacement | 50.5 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 G3512?
The Caterpillar G3512 is rated at 1,250 kVA prime at 50 Hz (1,500 rpm).
Does the G3512 run at 50 Hz or 60 Hz?
The Caterpillar G3512 is rated for 50 Hz (1,500 rpm).
What fuel does the Caterpillar G3512 use?
The Caterpillar G3512 is a Natural Gas generator-set engine.
What is the displacement and cylinder configuration of the G3512?
The Caterpillar G3512 is a V12 (12-cylinder) engine with a displacement of 50.5 L.
What emissions standard does the G3512 meet?
The Caterpillar G3512 is certified to U.S. EPA Stationary emissions standards.
Is the Caterpillar G3512 still in production?
Yes — the Caterpillar G3512 is a current production model.
Is a datasheet available for the G3512?
Yes — an official Caterpillar datasheet for the Caterpillar G3512 can be downloaded from this page.
Related Engines
Compare Caterpillar G3512
Reference
- Canonical page
- /engines/caterpillar-g3512
- Last database update
- 2026-06-11
- Manufacturer files
- 1 datasheet linked
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