Caterpillar
Caterpillar 3204
3200 Series
Caterpillar 3204 discontinued legacy engine. Source-validated Caterpillar legacy industrial or marine engine model with ongoing parts and rebuild demand.
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- Manufacturer files
- No datasheet
- Last updated
- 2026-08-04
- Package route
- diesel generator sets
- Cylinders
- L4
- Displacement
- 5.2 L
- Rated Speed
- 1,500 RPM
Caterpillar 3204 generator set context
The Caterpillar 3204 is listed here as a diesel generator-drive engine for 50 Hz generator sets. 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 | 3204 |
| Series | 3200 Series |
| Configuration | L4, diesel |
| Cylinders | 4 |
| Displacement | 5.2 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | Unregulated |
| Country of Origin | United States |
Frequently asked questions
What fuel does the Caterpillar 3204 use?
The Caterpillar 3204 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the 3204?
The Caterpillar 3204 is an inline-4 (4-cylinder) engine with a displacement of 5.2 L.
Is the 3204 still in production?
No — the Caterpillar 3204 is discontinued. Its specifications and datasheets remain archived here for reference.