250 kW Yuchai Diesel Generator Set (Model: AY337)
The AY337 series 250 kW Yuchai diesel generator is engineered for high-performance industrial power demands. Built with the robust YC6MK420-D30 engine, this 312 kVA generator set delivers consistent power stability for both primary and standby applications. Designed for global versatility, it supports adjustable voltages (380 V-415 V) and can be configured with premium controller brands like UK Deepsea and ComAp.
Technical Specifications
| Genset Model | AY337 |
|---|---|
| Rating Power | 250 kW / 312 kVA |
| Standby Power | 270 kW / 337 kVA |
| Engine Model | YC6MK420-D30 |
| Displacement | 10.338 L |
| Voltage Output | Adjustable (380V-415V standard) |
| Dimensions | 2600 * 1008 * 1668 mm |
Why Choose Our Yuchai Gensets?
- Customizable Configurations: Available in open, weatherproof, and soundproof silent types to suit your operational environment.
- Advanced Control Systems: Integration ready with ABB, Schneider, or Socomec ATS and advanced digital controllers.
- Global Compliance: ISO certified with support for regional specific certifications like SONCAP, SASO, and COI.
| Genset Model | AY337 |
|---|---|
| Rating Power | 250 kW / 312 kVA |
| Standby Power | 270 kW / 337 kVA |
| Engine Model | YC6MK420-D30 |
| Rated Voltage | 400/230V |
| Dimensions (L×W×H) | 2600 x 1008 x 1668 mm |
| Net Weight | 2060 kg |
View Full Technical Data Sheet
| Engine Data | |
|---|---|
| Cylinder Config | 6 cylinders in line |
| Bore x Stroke | 123 / 145 mm |
| Displacement | 10.338 L |
| Compression Ratio | 16.8:1 |
| Governor Type | Electric start |
| Performance & Systems | |
| Fuel Cons. (100%/75%) | 50.4 / 37.4 L/h |
| Exhaust Gas Flow | 33 m³/min |
| Cooling Air Flow | 125 m³/min |
| Oil Capacity | 21 L |
| Coolant Capacity | 10 L |
| Alternator | |
| Model | HCI444D |
| Insulation Class | H |
| Voltage Regulation | ±0.5% |
| Protection Class | IP23 |
- YC6MK420-D30 Engine & Radiator (40℃)
- Single bearing alternator, IP23/H Insulation
- 24V charging generator & 2X80AH Battery
- Power output circuit breaker & Standard panel
- Shock absorbers & 8-hour base tank
- Exhaust system (Muffler, Bellows, Flange)
Frequently Asked Questions
What is the lead time for the AY337 generator?
Our standard production and delivery preparation time is 15-25 days after receiving the initial deposit or original L/C.
Does the warranty cover spare parts?
We provide a one-year or 1200-hour warranty. During this period, we supply free replacement for easily damaged parts caused by non-operational errors.





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