Yunnei
Yunnei DEF30CZJB5
DEF30 Series
The Yunnei DEF30CZJB5 is a 3-litre inline-4 diesel engine for generator sets, rated at 73 kVA / 58 kWe prime power at 1,800 RPM (60 Hz). It is a liquid-cooled engine built in China. It meets Euro Stage V emissions standards.
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- Manufacturer files
- 2 datasheets
- Last updated
- 2026-05-29
- Package route
- diesel generator sets
- Prime Power · 60 Hz
- 73 kVA
- Electrical Output
- 58 kWe
- Cylinders
- L4
- Displacement
- 3 L
- Rated Speed
- 1,800 RPM
Power Ratings
kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf
60 Hz1800 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 64.4 | 58 | 72.5 |
Yunnei DEF30CZJB5 generator set context
The Yunnei DEF30CZJB5 is listed here as a diesel generator-drive engine for 60 Hz generator sets, with a headline 73 kVA / 58 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 | DEF30CZJB5 |
| Series | DEF30 Series |
| Configuration | L4 |
| Cylinders | 4 |
| Displacement | 3 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 DEF30CZJB5?
The Yunnei DEF30CZJB5 is rated at 73 kVA prime at 60 Hz (1,800 rpm).
Does the DEF30CZJB5 run at 50 Hz or 60 Hz?
The Yunnei DEF30CZJB5 is rated for 60 Hz (1,800 rpm).
What fuel does the Yunnei DEF30CZJB5 use?
The Yunnei DEF30CZJB5 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the DEF30CZJB5?
The Yunnei DEF30CZJB5 is an inline-4 (4-cylinder) engine with a displacement of 3 L.
What emissions standard does the DEF30CZJB5 meet?
The Yunnei DEF30CZJB5 is certified to Euro Stage V emissions standards.
Is the Yunnei DEF30CZJB5 still in production?
Yes — the Yunnei DEF30CZJB5 is a current production model.
Is a datasheet available for the DEF30CZJB5?
Yes — an official Yunnei datasheet for the Yunnei DEF30CZJB5 can be downloaded from this page.