Caterpillar
Caterpillar 3304B DIT Auxiliary
3300 Series
Caterpillar 3304B DIT Auxiliary discontinued legacy engine. Source-validated Caterpillar legacy industrial or marine engine model with ongoing parts and rebuild demand.
Overhaul & repair parts- Manufacturer files
- 1 datasheet
- Last updated
- 2026-08-04
- Package route
- diesel generator sets
- Cylinders
- L4
- Displacement
- 7 L
- Rated Speed
- 1,500 RPM
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Caterpillar 3304B DIT Auxiliary overhaul & repair parts
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Caterpillar 3304B DIT Auxiliary generator set context
The Caterpillar 3304B DIT Auxiliary 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 | 3304B DIT Auxiliary |
| Series | 3300 Series |
| Configuration | L4, turbocharged auxiliary diesel |
| Cylinders | 4 |
| Displacement | 7 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 3304B DIT Auxiliary use?
The Caterpillar 3304B DIT Auxiliary is a diesel generator-set engine.
What is the displacement and cylinder configuration of the 3304B DIT Auxiliary?
The Caterpillar 3304B DIT Auxiliary is an inline-4 (4-cylinder) engine with a displacement of 7 L.
Is the 3304B DIT Auxiliary still in production?
No — the Caterpillar 3304B DIT Auxiliary is discontinued. Its specifications and datasheets remain archived here for reference.
Are reference documents available for the 3304B DIT Auxiliary?
This page links reference documents for the Caterpillar 3304B DIT Auxiliary. Check each document's title, model coverage, revision and rating conditions before using it for selection.