Power Generation Engines-21KW-YSD490D
YANGDONG DIESEL ENGINES FOR GENERATOR
| Model | YSD490D |
| Type | Vertical,water cooling, four stroke |
| Combustion chamber type | Direct injector |
| Number of cylinders | 4 |
| Bore(mm) | 90 |
| Stoke(mm) | 100 |
| Compression ratio | 18 |
| Total displacement(L) | 2.54 |
| Firing order | 1-3-4-2 |
| Rated Power (KW)/Speed(RPM) | 21/1500 25/1800 |
| Min.specific fuel consumption at full load (g/kW.h) | ≤247.5 |
| Intake Type | Natural Aspiration |
| Cooling methed | Forced watercooling |
| Starting methed | Electric |
| flywheel size | SAE7.5″ |
| Bell housing size | SAE4# |
| Net mass without radiator | 280 |
| Overall dimensions (L*W*H) (mm) without radiator | 716*530*670 |
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