Water cooled Richardo 4 cylinder 30HP 490 mini engine
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New design becomes more compact, making installation and transportation convenience.
1. The indicators of mean effective pressure and power are leading in the world
2. New design becomes more compact, making installation and transportation convenience.
3. Increasing water filters to make fuel cleaner, it can protect the injector and high-pressure pump effectively and prolong working life.
4. Using special technique of piston ring sealing and valve sealing, it greatly reduces the consumption rate.
5. Forged in high-pressure and shaft diameter and rounded are high-frequency hardening, it improves the level of fatigue strength and wear resistance.
6. Overhaul is greater than 10,000 hours.
| Engine Model | 490D | 490ZD |
| Type | Direct injection,4 stroke, in line | Direct injection,4 stroke, in line |
| Rating power(kw) | 20 | 24 |
| Engine Speed(rpm) | 1500 | 1500 |
| Bore*stroke(mm) | 90*100 | 90*100 |
| Number of cylinders | 4 | 4 |
| Air input mode | Natural | Turbocharger |
| Compression ratio | 18:1 | 18:1 |
| Fuel consumption | ≤251.2g/kw.h | ≤251.2g/kw.h |
| Oil consumption | ≤2.72g/kw.h | ≤2.72g/kw.h |
| Speed regulator | Mechanical (Optional: Electronic) | Mechanical (Optional: Electronic) |
| Displacement | 2.544L | 2.544L |
| Starting method | Electric starting, 12V | Electric starting, 12V |
| Cooling method | Forced water cooled | Forced water cooled |
| Lubrication method | Pressure & splash lubricating | Pressure & splash lubricating |
| Exhaust gas temperature | ≤450°C | ≤500°C |
| Net weight | 205kgs | 210kgs |
| Application | Generator Drive | Generator Drive |
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