Detroit Diesel 8V-149
Detroit Diesel 8V-149 discontinued legacy engine. Source-validated Detroit Diesel legacy model with ongoing owner, rebuild, marine, generator, and parts-search demand.
149 Series
Specifications and documentation remain archived for reference.

- Cylinders
- V8
- Displacement
- 19.5 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 | Detroit Diesel |
| Model | 8V-149 |
| Series | 149 Series |
| Configuration | V8, two-cycle diesel |
| Cylinders | 8 |
| Displacement | 19.5 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | Unregulated |
| Country of Origin | United States |
| Year Discontinued | 1999 |
Check your engine model
The Detroit Diesel 8V-149 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
8V-149 repair parts
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Frequently asked questions
What fuel does the Detroit Diesel 8V-149 use?
The Detroit Diesel 8V-149 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the 8V-149?
The Detroit Diesel 8V-149 is a V8 (8-cylinder) engine with a displacement of 19.5 L.
Is the 8V-149 still in production?
No — the Detroit Diesel 8V-149 is discontinued (production ended around 1999). Its specifications and datasheets remain archived here for reference.
Are reference documents available for the 8V-149?
This page links reference documents for the Detroit Diesel 8V-149. Check each document's title, model coverage, revision and rating conditions before using it for selection.
