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Isuzu 6HK1X

6H-Series

In Production

Isuzu 6HK1X 7.79L 6-cylinder diesel engine for generator sets. 198 kW prime at 60Hz. Euro Stage IIIA / U.S. EPA Tier 3. Turbocharged, Intercooled.

Isuzu 6HK1X 7.79L L6 diesel generator engine — 208 kVA standby specifications
Isuzu 6HK1X 7.79L L6 diesel generator engine — 208 kVA standby specifications
Standby Power · 50 Hz
208 kVA
Electrical Output
166 kWe
Cylinders
L6
Displacement
7.79 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

kWmkWekVA
Prime Power168151.2189
Standby Power184.8166.3207.9

60 Hz1800 RPM

kWmkWekVA
Prime Power198178.2222.7
Standby Power217.8196245

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 6HK1X generator set context

The Isuzu 6HK1X is listed here as a diesel generator-drive engine for 50 Hz and 60 Hz generator sets, with a headline 208 kVA / 166 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.

Also searched as

6hk1xIsuzu 6HK1X6H-Series 6HK1X

Technical Specifications

BrandIsuzu
Model6HK1X
Series6H-Series
ConfigurationL6
Cylinders6
Displacement7.79 L
Fuel TypeDiesel
Ignition TypeCompression Ignition
Cooling MethodLiquid-Cooled
Emissions StandardEuro Stage IIIA / U.S. EPA Tier 3
Country of OriginJapan

Frequently asked questions

What is the power output of the Isuzu 6HK1X?

The Isuzu 6HK1X is rated at 208 kVA standby / 189 kVA prime at 50 Hz (1,500 rpm); and 245 kVA standby / 223 kVA prime at 60 Hz (1,800 rpm).

Does the 6HK1X run at 50 Hz or 60 Hz?

The Isuzu 6HK1X is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).

What fuel does the Isuzu 6HK1X use?

The Isuzu 6HK1X is a diesel generator-set engine.

What is the displacement and cylinder configuration of the 6HK1X?

The Isuzu 6HK1X is an inline-6 (6-cylinder) engine with a displacement of 7.79 L.

What emissions standard does the 6HK1X meet?

The Isuzu 6HK1X is certified to Euro Stage IIIA / U.S. EPA Tier 3 emissions standards.

Is the Isuzu 6HK1X still in production?

Yes — the Isuzu 6HK1X is a current production model.

Is a datasheet available for the 6HK1X?

Yes — an official Isuzu datasheet for the Isuzu 6HK1X can be downloaded from this page.

Reference

Canonical page
/engines/isuzu-6hk1x
Last database update
2026-06-11
Manufacturer files
1 datasheet linked

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