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Cummins 4B3.9-G2(24KW)

Cummins-4B3.9-G2-Engine
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
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
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

 

Standard Conditions:Data shown above are based on :

  • Engine operating with fuel system, water pump, lubricating oil pump, air cleaner & exhaust silencer, not included are battery charging alternator, fan and optional driven component
  • Engine operating with diesel fuel corresponding to grade No.2DperASTM D975
  • ISO-3046, Part 1, Standard Reference Conditions of:29.53 in.Hg. [100 kPa] barometric pressure (361ft.[110m] altitude), 25 degree Celsius air temperature and a relative humidity of 30%

 

Above are general technicial parameters of Cummins 4B3.9-G2 diesel engine for generator set. Cummins 4B3.9-G2 genuine engine parts and Cummins diesel generator set are also available for us.

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