Caterpillar
Caterpillar 3512B
3500 Series
Caterpillar 3512B discontinued/non-current 3500-series diesel generator engine. Cat H-CPC marks the 3512B page as Non-Current and lists the engine model as 3512B TA, V-12, 4-stroke water-cooled diesel.
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- Manufacturer files
- 1 datasheet
- Last updated
- 2026-08-11
- Package route
- diesel generator sets
- Electrical Output
- 1,500 kW
- Cylinders
- V12
- Displacement
- 58.56 L
- Rated Speed
- 1,500 RPM
Caterpillar 3512B generator set context
The Caterpillar 3512B is listed here as a diesel generator-drive engine for 50 Hz generator sets, with a headline 1,500 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 | 3512B |
| Series | 3500 Series |
| Configuration | 3512B TA V-12 four-stroke water-cooled diesel |
| Cylinders | 12 |
| Displacement | 58.56 L |
| Compression Ratio | 14.0:1 standard / 15.5:1 HD |
| 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 3512B use?
The Caterpillar 3512B is a diesel generator-set engine.
What is the displacement and cylinder configuration of the 3512B?
The Caterpillar 3512B is a V12 (12-cylinder) engine with a displacement of 58.56 L.
What emissions standard does the 3512B meet?
The Caterpillar 3512B is certified to Cat non-current generator-set literature emissions standards.
Is the 3512B still in production?
No — the Caterpillar 3512B is discontinued. Its specifications and datasheets remain archived here for reference.
Is a datasheet available for the 3512B?
Yes — an official Caterpillar datasheet for the Caterpillar 3512B can be downloaded from this page.