VMAN D22A2
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.

- Configuration
- V12
- Displacement
- 21.927 L
- Fuel
- Diesel
Power Ratings
kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf
50 Hz1500 RPM
| Rating | Prime | Standby |
|---|---|---|
| Mechanical power kWm | 515 | 565 |
| Electrical output kWe | 464 | 509 |
| Apparent power kVA | 580 | 636.3 |
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 | VMAN |
| Model | D22A2 |
| Configuration | V12 |
| Cylinders | 12 |
| Displacement | 21.927 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | Unregulated |
| Country of Origin | China |
Check your engine model
The VMAN D22A2 is a diesel generator-drive engine for 50 Hz generator sets, rated at 636 kVA / 509 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
D22A2 repair parts
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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.
