Volvo Penta
Volvo Penta MD1B
MD Series
Volvo Penta MD1B discontinued legacy engine. Specifications cross-checked against Volvo Penta workshop/manual data and a Volvo Penta model guide listing production years, cylinder count, horsepower, and rated speed.
Overhaul & repair parts- Manufacturer files
- No datasheet
- Last updated
- 2026-08-04
- Package route
- diesel generator sets
- Maximum Mechanical Power
- 8 kW
- Cylinders
- L1
- Rated Speed
- 2,500 RPM
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Volvo Penta MD1B overhaul & repair parts
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Volvo Penta MD1B industrial power context
The Volvo Penta MD1B is a high-speed industrial diesel engine rated at 7.5 kW mechanical output at 2,500 RPM. It is used in off-road equipment and can support engineered variable-speed power systems, but its maximum power is not a direct 50/60 Hz alternator rating. Verify the drivetrain, power electronics, cooling, and emissions installation with Volvo Penta before specifying a generator package.
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Technical Specifications
| Brand | Volvo Penta |
| Model | MD1B |
| Series | MD Series |
| Configuration | L1, marine diesel |
| Cylinders | 1 |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | Unregulated |
| Country of Origin | Sweden |
| Year Introduced | 1970 |
| Year Discontinued | 1973 |
Frequently asked questions
What is the maximum power output of the Volvo Penta MD1B?
The Volvo Penta MD1B has a maximum mechanical output of 7.5 kW at 2,500 rpm. This is a variable-speed off-road rating, not a fixed-speed generator-set rating.
What fuel does the Volvo Penta MD1B use?
The Volvo Penta MD1B is a diesel variable-speed industrial engine.
What is the cylinder configuration of the MD1B?
The Volvo Penta MD1B is an inline-1 (1-cylinder) engine.
Is the MD1B still in production?
No — the Volvo Penta MD1B is discontinued (production ended around 1973). Its specifications and datasheets remain archived here for reference.