Isuzu
Isuzu 4BD1T
B Series
Isuzu 4BD1T discontinued legacy engine. Turbocharged 4BD1 derivative used in NPR/W-series trucks and global industrial applications.
Overhaul & repair parts- Manufacturer files
- 2 datasheets
- Last updated
- 2026-08-04
- Package route
- diesel generator sets
- Mechanical Output
- 101 kW
- Cylinders
- L4
- Displacement
- 3.856 L
- Rated Speed
- 3,000 RPM
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Isuzu 4BD1T overhaul & repair parts
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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.
Are reference documents available for the 4BD1T?
This page links reference documents for the Isuzu 4BD1T. Check each document's title, model coverage, revision and rating conditions before using it for selection.