Advanced design and sophisticated manufacturing increase its high strength , heavy-duty work ability, using Holset wastegate makes power ability better.
Integrated design block, cylinder heads and other parts , ” a pluripotent ” , reducing the connections, 40% fewer parts than other similar engines, the failure rate is greatly reduced.
High-pressure fuel pump rotor lower fuel consumption , lower noise
Cummins 4B3.9-G2 Diesel Engine for Generator Set
| General data of Cummins 4B3.9-G2 Diesel Engine for Generator Set | |
| Engine Model | Cummins 4B3.9-G2 |
| Type | 4 cylinder in line |
| Displacement | 3.9 L |
| Bore&Stroke | 102×120 mm |
| Dry Weight | 308 KG |
| Dimension(L*W*H) | 867*544*998mm |
| Center of gravity from front face of block | 373 mm |
| Center of gravity above crankshaft centerline | 163 mm |
| Performance Date of Cummins 4B3.9-G2 Diesel Engine for Generator Set | |
| Rated Output/Speed(1500rpm) | 24KW/32HP |
| Standby Output/Speed(1500rpm) | 27KW/36HP |
| Rated Output/Speed(1800rpm) | 30KW/40HP |
| Standby Output/Speed(1800rpm) | 33KW/44HP |
| Fuel Consumption/rated output(1500rpm) | 229 g/KW.h |
| Fuel Consumption/standby output(1500rpm) | 227.664 g/KW.h |
| Fuel Consumption/rated output(1800rpm) | 238 g/KW.h |
| Fuel Consumption/standby output(1800rpm) | 226 g/KW.h |
| Technical data of Cummins 4B3.9-G2 Diesel Engine for Generator Set | |
| Aspiration | Naturally Aspirated |
| Fuel System | BYC A/Electronic Governor |
| Governor Regulation | ≤5% |
| Coolant capacity-engine only | 7.2 litre |
| Mimimum Lubricant Capacity(pan+filter) | 10.9 |
| Idle speed | 950-1050 RPM |
| Frictional loss power/1500rpm | 8.2 KW |
| Frictional loss power/1800rpm | 11.9 KW |
| Compression ratio | 18.0:1 |
| Piston Speed/1500rpm | 6.0 m/sec |
| Piston Speed/1800rpm | 7.2 m/sec |
| Firing Order | 1-3-4-2 |
The above is general technicial information of Cummins 4B3.9-G2 diesel engine for generator set. It is also for us to supply the Cummins 4B3.9-G2 genuine engine parts and Cummins diesel generator set of this engine.
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