Yuchai INDUSTRIAL ENGINES
In ProductionYuchai YC4D90Z-D21
4D
The Yuchai YC4D90Z-D21 is a 4.214-litre inline-4 diesel engine for generator sets, rated at 69 kVA / 55 kWe standby power at 1,500 RPM (50 Hz). It is a liquid-cooled engine built in China.
Standby Power
69 kVA
Electrical Output
55 kWe
Cylinders / Config
L4
Displacement
4.214 L
Rated Speed
1,500 RPM
ISO 8528 Power Ratings
Power Factor: 0.8 pfkWm = mechanical engine shaft power · kWe = electrical output · kVA = apparent electrical power.
| Operating Duty | kWm (Mechanical) | kWe (Electrical) | kVA (Rating) |
|---|---|---|---|
| Prime | 55.6 | 50 | 62.5 |
| Standby | 61.1 | 55 | 68.8 |
Mechanical & Electrical Specifications
| Brand | Yuchai |
| Model | YC4D90Z-D21 |
| Series | 4D |
| Configuration | L4 |
| Cylinders | 4 |
| Displacement | 4.214 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 YC4D90Z-D21?
The Yuchai YC4D90Z-D21 is rated at 69 kVA standby / 63 kVA prime at 50 Hz (1,500 rpm).
Does the YC4D90Z-D21 run at 50 Hz or 60 Hz?
The Yuchai YC4D90Z-D21 is rated for 50 Hz (1,500 rpm).
What fuel does the Yuchai YC4D90Z-D21 use?
The Yuchai YC4D90Z-D21 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the YC4D90Z-D21?
The Yuchai YC4D90Z-D21 is an inline-4 (4-cylinder) engine with a displacement of 4.214 L.
Is the Yuchai YC4D90Z-D21 still in production?
Yes — the Yuchai YC4D90Z-D21 is a current production model.