Caterpillar
Caterpillar 3406E Marine
3400 Series
Caterpillar 3406E Marine discontinued legacy engine. Source-validated Caterpillar legacy industrial or marine engine model with ongoing parts and rebuild demand.
Chat on WhatsApp about this engine
Opens WhatsApp with Caterpillar 3406E Marine and this page link filled in.
- Manufacturer files
- No datasheet
- Last updated
- 2026-08-04
- Package route
- diesel generator sets
- Cylinders
- L6
- Displacement
- 14.6 L
- Rated Speed
- 1,500 RPM
Caterpillar 3406E Marine generator set context
The Caterpillar 3406E Marine 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.
Also searched as
Technical Specifications
| Brand | Caterpillar |
| Model | 3406E Marine |
| Series | 3400 Series |
| Configuration | L6, electronically controlled marine diesel |
| Cylinders | 6 |
| Displacement | 14.6 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 3406E Marine use?
The Caterpillar 3406E Marine is a diesel generator-set engine.
What is the displacement and cylinder configuration of the 3406E Marine?
The Caterpillar 3406E Marine is an inline-6 (6-cylinder) engine with a displacement of 14.6 L.
Is the 3406E Marine still in production?
No — the Caterpillar 3406E Marine is discontinued. Its specifications and datasheets remain archived here for reference.