Haifeng Machinery
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VMAN

VMAN D22A2

In Production

The VMAN D22A2 is a 21.927-litre V12 diesel engine for generator sets, rated at 636 kVA / 509 kWe standby power at 1,500 RPM (50 Hz). It is a liquid-cooled engine built in China.

Overhaul & repair parts
Manufacturer files
2 datasheets
Last updated
2026-06-08
Package route
diesel generator sets
Standby Power · 50 Hz
636 kVA
Electrical Output
509 kWe
Cylinders
V12
Displacement
21.927 L
Rated Speed
1,500 RPM

Power Ratings

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

50 Hz1500 RPM

kWmkWekVA
Prime Power515464580
Standby Power565509636.3

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VMAN D22A2 21.927L V12 diesel generator engine — 636 kVA standby specifications

VMAN D22A2 generator set context

The VMAN D22A2 is listed here as a diesel generator-drive engine for 50 Hz generator sets, with a headline 636 kVA / 509 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

d22a2VMAN D22A2

Technical Specifications

BrandVMAN
ModelD22A2
ConfigurationV12
Cylinders12
Displacement21.927 L
Fuel TypeDiesel
Ignition TypeCompression Ignition
Cooling MethodLiquid-Cooled
Emissions StandardUnregulated
Country of OriginChina

Frequently asked questions

What is the power output of the VMAN D22A2?

The VMAN D22A2 is rated at 636 kVA standby / 580 kVA prime at 50 Hz (1,500 rpm).

Does the D22A2 run at 50 Hz or 60 Hz?

The VMAN D22A2 is rated for 50 Hz (1,500 rpm).

What fuel does the VMAN D22A2 use?

The VMAN D22A2 is a diesel generator-set engine.

What is the displacement and cylinder configuration of the D22A2?

The VMAN D22A2 is a V12 (12-cylinder) engine with a displacement of 21.927 L.

What is the catalog status of the VMAN D22A2?

The VMAN D22A2 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 D22A2?

This page links reference documents for the VMAN D22A2. Check each document's title, model coverage, revision and rating conditions before using it for selection.

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