Yunnei
Yunnei DEF20CRA4
DEF20 Series
The Yunnei DEF20CRA4 is a 2-litre inline-4 diesel engine for generator sets, rated at 31 kVA / 25 kWe prime power at 1,500 RPM (50 Hz). It is a liquid-cooled engine built in China. It meets Euro Stage V emissions standards.
Overhaul & repair parts- Supporting documents
- 2 documents · 1 datasheet
- Last updated
- 2026-05-29
- Package route
- diesel generator sets
- Prime Power · 50 Hz
- 31 kVA
- Electrical Output
- 25 kWe
- Cylinders
- L4
- Displacement
- 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 | 27.8 | 25 | 31.3 |
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Yunnei DEF20CRA4 overhaul & repair parts
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Yunnei DEF20CRA4 generator set context
The Yunnei DEF20CRA4 is listed here as a diesel generator-drive engine for 50 Hz generator sets, with a headline 31 kVA / 25 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.
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Technical Specifications
| Brand | Yunnei |
| Model | DEF20CRA4 |
| Series | DEF20 Series |
| Configuration | L4 |
| Cylinders | 4 |
| Displacement | 2 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | Euro Stage V |
| Country of Origin | China |
Frequently asked questions
What is the power output of the Yunnei DEF20CRA4?
The Yunnei DEF20CRA4 is rated at 31 kVA prime at 50 Hz (1,500 rpm).
Does the DEF20CRA4 run at 50 Hz or 60 Hz?
The Yunnei DEF20CRA4 is rated for 50 Hz (1,500 rpm).
What fuel does the Yunnei DEF20CRA4 use?
The Yunnei DEF20CRA4 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the DEF20CRA4?
The Yunnei DEF20CRA4 is an inline-4 (4-cylinder) engine with a displacement of 2 L.
What emissions information is listed for the DEF20CRA4?
This record lists Euro Stage V for the Yunnei DEF20CRA4. Confirm the exact engine family, model year, configuration and applicable manufacturer certification documents before specifying it for a regulated project. A database label does not establish certification of a complete generator package.
What is the catalog status of the Yunnei DEF20CRA4?
The Yunnei DEF20CRA4 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 DEF20CRA4?
This page links reference documents for the Yunnei DEF20CRA4. Check each document's title, model coverage, revision and rating conditions before using it for selection.