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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