| Company produc |
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Cummins marine engine |
 4BT,6BT,6CT,6LT
NT855,K19,K38,K50
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Cummins industrial engine |
4BT,6BT,6CT,6LT
M11,NT855,K19,K38,K50
QSB,QSD,ISL,ISM....
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Cummins vehicle engine |
4BT,6BT,6CT,6LT
M11,NT855,K19,K38,K50
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Cummins pump engine |
4BT,6BT,6CT,6LT
M11,NT855,K19,K38,K50
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Cummins generator engine |
4BT,6BT,6CT,6LT
M11,NT855,K19,K38,K50
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DEUTZ industrial engine |
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DEUTZ marine engine |
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Yuchai diesel engine |
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Detailed information |
| Cummins 4BTA3.9-C125 Construction Engine |
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 The product description
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| General data of Cummins 4BTA3.9-C125 Construction Machinery Engine |
| Engine Model |
Cummins 4BTA3.9-C125 |
| Type |
4 cylinder in line |
| Displacement |
3.9 L |
| Bore&Stroke |
102×120 mm |
| Dry Weight |
355 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 |
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| Performance Date of Cummins 4BTA3.9-C125 Construction Machinery Engine |
| Rated Output |
93KW/125HP |
| Rated Speed |
2200RPM |
| Max Torque/Speed |
475N.m/1500RPM |
| Torque/Rated Speed |
404N.m/2400RPM |
| Minimum Fuel Consumption/speed |
208g/KW.h/1500RPM |
| Maximum Fuel Consumption/speed |
261g/KW.h/800RPM |
| Fuel Consumption/rated speed |
233g/KW.h/2800RPM |
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| Technical data of Cummins 4BTA3.9-C125 Construction Machinery Engine |
| Aspiration |
Turbocharged Water-Air intercooled |
| Fuel System |
PW2000 Pump/RQV-K Governor Regulation 8% |
| Coolant capacity-engine only |
8.3 litre |
| Minimum Idle speed |
950 RPM |
| Maximum Speed(10% rated load) |
2457 RPM |
| Compression ratio |
16.5:1 |
| Piston Speed |
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| Firing Order |
1-3-4-2 | |
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Cummins 4BT3.9-C110 Construction Engine
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Cummins 4BTA3.9-C130 Construction Engine
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