Isuzu
Isuzu 6BB1
B Series
Isuzu 6BB1 discontinued legacy engine. Early Isuzu direct-injection medium-duty diesel used in Forward trucks and buses.
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- Manufacturer files
- No datasheet
- Last updated
- 2026-08-04
- Package route
- diesel generator sets
- Maximum Mechanical Power
- 107 kW
- Cylinders
- L6
- Displacement
- 5.393 L
- Rated Speed
- 3,200 RPM
Isuzu 6BB1 industrial power context
The Isuzu 6BB1 is a high-speed industrial diesel engine rated at 107 kW mechanical output at 3,200 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 | Isuzu |
| Model | 6BB1 |
| Series | B Series |
| Configuration | L6, naturally aspirated |
| Cylinders | 6 |
| Displacement | 5.393 L |
| Compression Ratio | 17.5:1 |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | Unregulated |
| Country of Origin | Japan |
| Year Introduced | 1972 |
Frequently asked questions
What is the maximum power output of the Isuzu 6BB1?
The Isuzu 6BB1 has a maximum mechanical output of 107 kW at 3,200 rpm. This is a variable-speed off-road rating, not a fixed-speed generator-set rating.
What fuel does the Isuzu 6BB1 use?
The Isuzu 6BB1 is a diesel variable-speed industrial engine.
What is the displacement and cylinder configuration of the 6BB1?
The Isuzu 6BB1 is an inline-6 (6-cylinder) engine with a displacement of 5.393 L.
Is the 6BB1 still in production?
No — the Isuzu 6BB1 is discontinued. Its specifications and datasheets remain archived here for reference.