Isuzu INDUSTRIAL ENGINES
DiscontinuedIsuzu 6BB1
B Series
The Isuzu 6BB1 is a 5.393 L naturally aspirated inline-6 diesel engine from Isuzu legacy medium-duty applications. This reference page summarizes 6BB1 engine specs, manual sources, 107 kW maximum mechanical output, compression ratio, origin and related Isuzu 4B/6B engines.
Cylinders / Config
L6, naturally aspirated
Displacement
5.393 L
Mechanical & Electrical 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.
Is a datasheet available for the 6BB1?
Yes — an official Isuzu datasheet for the Isuzu 6BB1 can be downloaded from this page.