Isuzu
Isuzu 4BD1T
B Series
Isuzu 4BD1T discontinued legacy engine. Turbocharged 4BD1 derivative used in NPR/W-series trucks and global industrial applications.
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- Manufacturer files
- No datasheet
- Last updated
- 2026-08-04
- Package route
- diesel generator sets
- Electrical Output
- 101 kW
- Cylinders
- L4
- Displacement
- 3.856 L
- Rated Speed
- 3,000 RPM
Isuzu 4BD1T generator set context
The Isuzu 4BD1T is listed here as a diesel generator-drive engine for 50 Hz generator sets, with a headline 101 kW / standby rating. 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 | 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.