Weichai

Weichai 12M26D605E300NG

M26 Series

In Production

The Weichai 12M26D605E300NG is a 31.2-litre V12 natural gas engine for generator sets, rated at 625 kVA / 500 kWe prime power at 1,500 RPM (50 Hz). It is a liquid-cooled engine built in China.

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Manufacturer files: No datasheet
Last updated: 2026-06-27
Package route: gas generator sets

Prime Power · 50 Hz: 625 kVA
Electrical Output: 500 kWe
Cylinders: V12
Displacement: 31.2 L
Rated Speed: 1,500 RPM

Power Ratings

kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf

50 Hz1500 RPM

	kWm	kWe	kVA
Prime Power	550	500	625

Weichai 12M26D605E300NG 31.2L V12 natural gas generator engine — 625 kVA prime specifications — Shareable spec cardWeichai 12M26D605E300NG summary imageOpen image

Weichai 12M26D605E300NG generator set context

The Weichai 12M26D605E300NG is listed here as a natural gas generator-drive engine for 50 Hz generator sets, with a headline 625 kVA / 500 kWe / prime 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

12m26d605e300ngWeichai 12M26D605E300NGM26 Series 12M26D605E300NG

BrandAll Weichai engines CompareSimilar engines Haifeng packagegas generator sets

Technical Specifications

Brand	Weichai
Model	12M26D605E300NG
Series	M26 Series
Configuration	V12
Cylinders	12
Displacement	31.2 L
Fuel Type	Natural Gas
Ignition Type	Spark Ignition
Cooling Method	Liquid-Cooled
Emissions Standard	Unregulated
Country of Origin	China

Frequently asked questions

What is the power output of the Weichai 12M26D605E300NG?

The Weichai 12M26D605E300NG is rated at 625 kVA prime at 50 Hz (1,500 rpm).

Does the 12M26D605E300NG run at 50 Hz or 60 Hz?

The Weichai 12M26D605E300NG is rated for 50 Hz (1,500 rpm).

What fuel does the Weichai 12M26D605E300NG use?

The Weichai 12M26D605E300NG is a Natural Gas generator-set engine.

What is the displacement and cylinder configuration of the 12M26D605E300NG?

The Weichai 12M26D605E300NG is a V12 (12-cylinder) engine with a displacement of 31.2 L.