Caterpillar 3204
Caterpillar 3204 discontinued legacy engine. Source-validated Caterpillar legacy industrial or marine engine model with ongoing parts and rebuild demand.
3200 Series
Specifications and documentation remain archived for reference.

- Cylinders
- L4
- Displacement
- 5.2 L
- Rated Speed
- 1,500 RPM
Datasheet & documents
Match the model number on your engine plate to the document. Check its revision date and the speed and duty listed for each power rating.
Technical specifications
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 |
Check your engine model
The Caterpillar 3204 is a diesel generator-drive engine for applications whose frequency must be verified. Match the model and serial number on your engine plate when requesting a manual or parts. The ratings and emissions information below help identify the version fitted to your generator.
Other ways this model is written
3204 repair parts
Haifeng supplies overhaul parts, filters, fuel injection parts and engine controls. Send your engine plate and the parts you need for a parts and delivery quote.
Get a parts & air-shipping quoteWorldwide air shipping. Tell us your city and country for a shipping quote and estimated arrival date.
Find the right part
Send your engine plate, part numbers or photos, quantity, and delivery city. Parts can differ between versions of the same engine.
Other parts? Add them in the chat.
Get my parts quote on WhatsAppWe’ll confirm the correct parts, stock and delivery cost before you order.
Opens WhatsApp. Attach photos in the chat.
Photos and details to send
- Take a clear photo of the engine nameplate.
- Tell us what needs repair or replacement.
- Send both in WhatsApp to start a fitment check.
These categories have model-related records. Part numbers need further checking before we display them here.
Get help with this engine
Need a manual, a replacement part or help with an engine problem? Tell us what happened and include the serial number if you have it.
Other ways to contact us
Scan QRHide QR
General WhatsApp chatScan with your phone. Add the model and your request in chat.Haifeng sales teamNeed help after checking the documents?
Send us the part number or describe the problem. This engine model is included in your message.
Send this model enquiry by emailOr browse Haifeng's diesel generator sets
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.
Are reference documents available for the 3204?
This page links reference documents for the Caterpillar 3204. Check each document's title, model coverage, revision and rating conditions before using it for selection.
