Yuchai
Yuchai YC4V45Z-D21
V25
The Yuchai YC4V45Z-D21 is a 2.49-litre inline-4 diesel engine for generator sets, rated at 33 kVA / 26 kWe standby power at 1,800 RPM (60 Hz). It is a liquid-cooled engine built in China.
- Standby Power · 60 Hz
- 33 kVA
- Electrical Output
- 26 kWe
- Cylinders
- L4
- Displacement
- 2.49 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 | 26.7 | 24 | 30 |
| Standby Power | 28.9 | 26 | 32.5 |
Technical Specifications
| Brand | Yuchai |
| Model | YC4V45Z-D21 |
| Series | V25 |
| Configuration | L4 |
| Cylinders | 4 |
| Displacement | 2.49 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | China National Stage II / Unregulated |
| Country of Origin | China |
Frequently asked questions
What is the power output of the Yuchai YC4V45Z-D21?
The Yuchai YC4V45Z-D21 is rated at 33 kVA standby / 30 kVA prime at 60 Hz (1,800 rpm).
Does the YC4V45Z-D21 run at 50 Hz or 60 Hz?
The Yuchai YC4V45Z-D21 is rated for 60 Hz (1,800 rpm).
What fuel does the Yuchai YC4V45Z-D21 use?
The Yuchai YC4V45Z-D21 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the YC4V45Z-D21?
The Yuchai YC4V45Z-D21 is an inline-4 (4-cylinder) engine with a displacement of 2.49 L.
Is the Yuchai YC4V45Z-D21 still in production?
Yes — the Yuchai YC4V45Z-D21 is a current production model.
Related Engines
Compare Yuchai YC4V45Z-D21
Reference
- Canonical page
- /engines/yuchai-yc4v45z-d21
- Last database update
- 2026-05-29
- Manufacturer files
- No datasheet linked yet
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