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Cummins 4BT3.9-C80

Cummins 4BT3.9-C80 Construction Machinery Engine

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
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
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


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 engine units with clutch ASSY.

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