Caterpillar
Caterpillar 3512
3500 Series
Caterpillar 3512 discontinued/non-current 3500-series diesel generator engine. Cat H-CPC marks the 3512 50 Hz upgradeable package as Non-Current and links a Cat 3512 diesel generator set spec sheet.
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- Manufacturer files
- 1 datasheet
- Last updated
- 2026-08-11
- Package route
- diesel generator sets
- Electrical Output
- 1,120 kW
- Cylinders
- V12
- Rated Speed
- 1,500 RPM
Caterpillar 3512 generator set context
The Caterpillar 3512 is listed here as a diesel generator-drive engine for 50 Hz generator sets, with a headline 1,120 kW / standby 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 | 3512 |
| Series | 3500 Series |
| Configuration | V-12 turbocharged-aftercooled diesel generator engine |
| Cylinders | 12 |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | Cat non-current generator-set literature |
| Certifications | Caterpillar Non-Current product page |
| Country of Origin | United States |
Frequently asked questions
What fuel does the Caterpillar 3512 use?
The Caterpillar 3512 is a diesel generator-set engine.
What is the cylinder configuration of the 3512?
The Caterpillar 3512 is a V12 (12-cylinder) engine.
What emissions standard does the 3512 meet?
The Caterpillar 3512 is certified to Cat non-current generator-set literature emissions standards.
Is the 3512 still in production?
No — the Caterpillar 3512 is discontinued. Its specifications and datasheets remain archived here for reference.
Is a datasheet available for the 3512?
Yes — an official Caterpillar datasheet for the Caterpillar 3512 can be downloaded from this page.