Isuzu
Isuzu 6WG1X
6W-Series
Isuzu 6WG1X 15.681L 6-cylinder diesel engine for generator sets. 382 kW prime at 60Hz. U.S. EPA Final Tier 4. Turbocharged, Intercooled.
- Standby Power · 50 Hz
- 437 kVA
- Electrical Output
- 350 kWe
- Cylinders
- L6
- Displacement
- 15.681 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 | 353 | 317.7 | 397.1 |
| Standby Power | 388.3 | 349.5 | 436.9 |
60 Hz1800 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 382 | 343.8 | 429.8 |
| Standby Power | 420.2 | 378.2 | 472.7 |
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.
Isuzu 6WG1X generator set context
The Isuzu 6WG1X is listed here as a diesel generator-drive engine for 50 Hz and 60 Hz generator sets, with a headline 437 kVA / 350 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 | 6WG1X |
| Series | 6W-Series |
| Configuration | L6 |
| Cylinders | 6 |
| Displacement | 15.681 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | U.S. EPA Final Tier 4 |
| Country of Origin | Japan |
Frequently asked questions
What is the power output of the Isuzu 6WG1X?
The Isuzu 6WG1X is rated at 437 kVA standby / 397 kVA prime at 50 Hz (1,500 rpm); and 473 kVA standby / 430 kVA prime at 60 Hz (1,800 rpm).
Does the 6WG1X run at 50 Hz or 60 Hz?
The Isuzu 6WG1X is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).
What fuel does the Isuzu 6WG1X use?
The Isuzu 6WG1X is a diesel generator-set engine.
What is the displacement and cylinder configuration of the 6WG1X?
The Isuzu 6WG1X is an inline-6 (6-cylinder) engine with a displacement of 15.681 L.
What emissions standard does the 6WG1X meet?
The Isuzu 6WG1X is certified to U.S. EPA Final Tier 4 emissions standards.
Is the Isuzu 6WG1X still in production?
Yes — the Isuzu 6WG1X is a current production model.
Is a datasheet available for the 6WG1X?
Yes — an official Isuzu datasheet for the Isuzu 6WG1X can be downloaded from this page.
Related Engines
Compare Isuzu 6WG1X
Reference
- Canonical page
- /engines/isuzu-6wg1x
- Last database update
- 2026-06-11
- Manufacturer files
- 1 datasheet linked
Need this engine?
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