Isuzu INDUSTRIAL ENGINES
DiscontinuedIsuzu 4BD1T
B Series
Isuzu 4BD1T discontinued legacy engine. Turbocharged 4BD1 derivative used in NPR/W-series trucks and global industrial applications.
Isuzu 4BD1T|MID-RANGE CLASSIFICATION
GENSET ARCHITECTURE: L4, turbocharged3.856 L
POWER CLASSIFICATIONN/A
ELECTRICAL OUTPUTN/A
FUEL SYSTEMDiesel
READY FOR TURNKEY PACKAGING
Cylinders / Config
L4, turbocharged
Displacement
3.856 L
Mechanical & Electrical Specifications
| Brand | Isuzu |
| Model | 4BD1T |
| Series | B Series |
| Configuration | L4, turbocharged |
| Cylinders | 4 |
| Displacement | 3.856 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 | 1986 |
| Year Discontinued | 1991 |
Frequently Asked Questions
What fuel does the Isuzu 4BD1T use?
The Isuzu 4BD1T is a diesel generator-set engine.
What is the displacement and cylinder configuration of the 4BD1T?
The Isuzu 4BD1T is an inline-4 (4-cylinder) engine with a displacement of 3.856 L.
Is the 4BD1T still in production?
No — the Isuzu 4BD1T is discontinued (production ended around 1991). Its specifications and datasheets remain archived here for reference.
Is a datasheet available for the 4BD1T?
Yes — an official Isuzu datasheet for the Isuzu 4BD1T can be downloaded from this page.