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 Cummins 4BTA3.9-G2 Engine for Generator Set
Product category:  Cummins generator engine >> 4BT,6BT,6CT,6LT >> Cummins 4BTA3.9-G2 Engine for Generator Set
The product name: Cummins 4BTA3.9-G2 Engine for Generator Set
Product number: 102059
   The product description
General data of Cummins 4BTA3.9-G2 Diesel Engine for Generator Set
Engine Model Cummins 4BTA3.9-G2
Type 4 cylinder in line
Displacement 3.9 L
Bore&Stroke 102×120 mm
Dry Weight 350 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 4BTA3.9-G2 Diesel Engine for Generator Set
Rated Output/Speed(1500rpm) 50KW/67HP
Standby Output/Speed(1500rpm) 55KW/74HP
Rated Output/Speed(1800rpm) 60KW/80HP
Standby Output/Speed(1800rpm) 66KW/88HP
Fuel Consumption/rated output(1500RPM) 213 g/KW.h
Fuel Consumption/standby output(1500RPM) 212 g/KW.h
Fuel Consumption/rated output(1800RPM) 219 g/KW.h
Fuel Consumption/standby output(1800RPM) 218 g/KW.h
Technical data of Cummins 4BTA3.9-G2 Diesel Engine for Generator Set
Aspiration Turbochanger& Aftercooler
Fuel System BYC A/Electronic Governor
Governor Regulation ≤5%
Coolant capacity-engine only 8.3 litre
Mimimum Lubricant Capacity(pan+filter) 10.9 litre
Idle speed 950-1050 RPM
Frictional loss power/rated output 8.2 KW
Compression ratio 17.3:1
Piston Speed(1500rpm) 6 m/sec
Piston Speed(1800rpm) 7.2 m/sec
Firing Order 1-3-4-2
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