Volvo Penta
Volvo Penta MD31A
31 Series
Volvo Penta MD31A discontinued legacy engine. Volvo Penta marine legacy engine no longer in production, retained for owners searching manuals, spares, rebuilds, and repower options.
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- Manufacturer files
- No datasheet
- Last updated
- 2026-08-04
- Package route
- diesel generator sets
- Cylinders
- L4
- Displacement
- 2.4 L
- Rated Speed
- 1,500 RPM
Volvo Penta MD31A generator set context
The Volvo Penta MD31A 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 | Volvo Penta |
| Model | MD31A |
| Series | 31 Series |
| Configuration | L4, marine diesel |
| Cylinders | 4 |
| Displacement | 2.4 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | Unregulated |
| Country of Origin | Sweden |
Frequently asked questions
What fuel does the Volvo Penta MD31A use?
The Volvo Penta MD31A is a diesel generator-set engine.
What is the displacement and cylinder configuration of the MD31A?
The Volvo Penta MD31A is an inline-4 (4-cylinder) engine with a displacement of 2.4 L.
Is the MD31A still in production?
No — the Volvo Penta MD31A is discontinued. Its specifications and datasheets remain archived here for reference.