Yuchai
Yuchai YC6TD780-D31
6TD
The Yuchai YC6TD780-D31 is a 19.598-litre inline-6 diesel engine for generator sets, rated at 625 kVA / 500 kWe standby power at 1,500 RPM (50 Hz). It is a liquid-cooled engine built in China.
- Standby Power · 50 Hz
- 625 kVA
- Electrical Output
- 500 kWe
- Cylinders
- L6
- Displacement
- 19.598 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 | 500 | 450 | 562.5 |
| Standby Power | 555.6 | 500 | 625 |
Technical Specifications
| Brand | Yuchai |
| Model | YC6TD780-D31 |
| Series | 6TD |
| Configuration | L6 |
| Cylinders | 6 |
| Displacement | 19.598 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | China National Stage III / Unregulated |
| Country of Origin | China |
Frequently asked questions
What is the power output of the Yuchai YC6TD780-D31?
The Yuchai YC6TD780-D31 is rated at 625 kVA standby / 563 kVA prime at 50 Hz (1,500 rpm).
Does the YC6TD780-D31 run at 50 Hz or 60 Hz?
The Yuchai YC6TD780-D31 is rated for 50 Hz (1,500 rpm).
What fuel does the Yuchai YC6TD780-D31 use?
The Yuchai YC6TD780-D31 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the YC6TD780-D31?
The Yuchai YC6TD780-D31 is an inline-6 (6-cylinder) engine with a displacement of 19.598 L.
Is the Yuchai YC6TD780-D31 still in production?
Yes — the Yuchai YC6TD780-D31 is a current production model.
Is a datasheet available for the YC6TD780-D31?
Yes — an official Yuchai datasheet for the Yuchai YC6TD780-D31 can be downloaded from this page.
Related Engines
Compare Yuchai YC6TD780-D31
Reference
- Canonical page
- /engines/yuchai-yc6td780-d31
- Last database update
- 2026-05-29
- Manufacturer files
- 1 datasheet linked
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