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 |
| 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 |
| 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 |
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%
The above is general technicial information of Cummins 4BTA3.9-G2 diesel engine for generator set. It is also for us to supply the Cummins 4BTA3.9-G2 genuine engine parts and Cummins diesel generator set of this engine.
