Isuzu 6UZ1X
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.
Production StatusIn Production
6U-Series
- Configuration
- L6
- Displacement
- 9.839 L
- Fuel
- Diesel
Power Ratings
kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf · kWe estimated — see note below
50 Hz1500 RPM
| Rating | Prime | Standby |
|---|---|---|
| Mechanical power kWm | 228 | 250.8 |
| Electrical output kWe | 205.2 | 225.7 |
| Apparent power kVA | 256.5 | 282.1 |
60 Hz1800 RPM
| Rating | Prime | Standby |
|---|---|---|
| Mechanical power kWm | 260 | 286 |
| Electrical output kWe | 234 | 257.4 |
| Apparent power kVA | 292.5 | 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.
Datasheet & documents
Match the model number on your engine plate to the document. Check its revision date and the speed and duty listed for each power rating.
Technical specifications
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 |
Check your engine model
The Isuzu 6UZ1X is a diesel generator-drive engine for 50 Hz and 60 Hz generator sets, rated at 282 kVA / 226 kWe / standby rating. Match the model and serial number on your engine plate when requesting a manual or parts. The ratings and emissions information below help identify the version fitted to your generator.
Other ways this model is written
6uz1xIsuzu 6UZ1X6U-Series 6UZ1X
6UZ1X repair parts
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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.