High Fuel Efficiency: 20% fewer oil consumption than other competitive products.
Compacted Yet Durable And Dependable Engine: 6B series engine contains up to 40% fewer parts than competitive engines in its class.This results in a better power-to-weight ration,a less chance of failure and lower repair cost.
Advanced design and manufacturing: Make the engine delivers superior performance and lower cost than competitive engines.
Excellent cold start performance: With improved 6.6 KW starter and intake air heater.
Cummins 4BT3.9-C80 Engine for Construction machinery
| General data of Cummins 4BT3.9-C80 Construction Machinery Engine | |
| Engine Model | Cummins 4BT3.9-C80 |
| Type | 4 cylinder in line |
| Displacement | 3.9 L |
| Bore&Stroke | 102×120 mm |
| Dry Weight | 338 KG |
| Dimension(L*W*H) | 778*634*912 (mm) |
| Center of gravity from front face of block | 262 mm |
| Center of gravity above crankshaft centerline | 160 mm |
| Performance Date of Cummins 4BT3.9-C80 Construction Machinery Engine | |
| Rated Output | 60KW/80HP |
| Rated Speed | 2000RPM |
| Max Torque/Speed | 330N.m/1500RPM |
| Torque/Rated Speed | 285N.m/2000RPM |
| Minimum Fuel Consumption/speed | 225g/KW.h/1500RPM |
| Maximum Fuel Consumption/speed | 271g/KW.h/1000RPM |
| Fuel Consumption/rated speed | 249g/KW.h/1000RPM |
| Technical data of Cummins 4BT3.9-C80 Construction Machinery Engine | |
| Aspiration | Turbocharged |
| Fuel System | A Pump/RSV Governor Regulation 8% |
| Coolant capacity-engine only | 7.9 litre |
| Minimum Idle speed | 750 RPM |
| Maximum Speed(10% rated load) | 2200 RPM |
| Compression ratio | 16.5:1 |
| Piston Speed | |
| Firing Order | 1-3-4-2 |
The above is general technicial information of Cummins 4BT3.9-C80 industrial application Engine. It is also for us to supply the Cummins 4BT3.9-C80 genuine parts and 4BT3.9-C80 engine power unit
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