Isuzu
Isuzu 6UZ1X
6U-Series
Isuzu 6UZ1X 9.839L 6-cylinder diesel engine for generator sets. 260 kW prime at 60Hz. Euro Stage IIIA / U.S. EPA Tier 3. Turbocharged, Intercooled.
Overhaul & repair parts- Manufacturer files
- 1 datasheet
- Last updated
- 2026-06-11
- Package route
- diesel generator sets
- Standby Power · 50 Hz
- 282 kVA
- Electrical Output
- 226 kWe
- Cylinders
- L6
- Displacement
- 9.839 L
- Rated Speed
- 1,500 / 1,800 RPM
Power Ratings
kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf · kWe estimated — see note below
50 Hz1500 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 228 | 205.2 | 256.5 |
| Standby Power | 250.8 | 225.7 | 282.1 |
60 Hz1800 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 260 | 234 | 292.5 |
| Standby Power | 286 | 257.4 | 321.7 |
Note: The manufacturer does not publish a separate kWe rating for this engine. kWe values shown are estimated from the rated mechanical output (kWm) using a conservative 90% alternator efficiency factor.
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Isuzu 6UZ1X overhaul & repair parts
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Isuzu 6UZ1X generator set context
The Isuzu 6UZ1X is listed here as a diesel generator-drive engine for 50 Hz and 60 Hz generator sets, with a headline 282 kVA / 226 kWe / 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 | 6UZ1X |
| Series | 6U-Series |
| Configuration | L6 |
| Cylinders | 6 |
| Displacement | 9.839 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | Euro Stage IIIA / U.S. EPA Tier 3 |
| Country of Origin | Japan |
Frequently asked questions
What is the power output of the Isuzu 6UZ1X?
The Isuzu 6UZ1X is rated at 282 kVA standby / 257 kVA prime at 50 Hz (1,500 rpm); and 322 kVA standby / 293 kVA prime at 60 Hz (1,800 rpm).
Does the 6UZ1X run at 50 Hz or 60 Hz?
The Isuzu 6UZ1X is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).
What fuel does the Isuzu 6UZ1X use?
The Isuzu 6UZ1X is a diesel generator-set engine.
What is the displacement and cylinder configuration of the 6UZ1X?
The Isuzu 6UZ1X is an inline-6 (6-cylinder) engine with a displacement of 9.839 L.
What emissions information is listed for the 6UZ1X?
This record lists Euro Stage IIIA / U.S. EPA Tier 3 for the Isuzu 6UZ1X. Confirm the exact engine family, model year, configuration and applicable manufacturer certification documents before specifying it for a regulated project. A database label does not establish certification of a complete generator package.
What is the catalog status of the Isuzu 6UZ1X?
The Isuzu 6UZ1X is marked active in this database. Confirm current production and availability with the manufacturer; catalog status is not a live supply check.
Are reference documents available for the 6UZ1X?
This page links reference documents for the Isuzu 6UZ1X. Check each document's title, model coverage, revision and rating conditions before using it for selection.