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.
Overhaul & repair parts- Manufacturer files
- 1 datasheet
- Last updated
- 2026-08-11
- Package route
- diesel generator sets
- Mechanical Output
- 1,500 kW
- Cylinders
- V12
- Displacement
- 58.56 L
- Rated Speed
- 1,500 RPM
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Caterpillar 3512B overhaul & repair parts
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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 information is listed for the 3512B?
This record lists Cat non-current generator-set literature for the Caterpillar 3512B. 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.
Is the 3512B still in production?
No — the Caterpillar 3512B is discontinued. Its specifications and datasheets remain archived here for reference.
Are reference documents available for the 3512B?
This page links reference documents for the Caterpillar 3512B. Check each document's title, model coverage, revision and rating conditions before using it for selection.