B 3.9 Engineering Machinery Engine
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B 3.9 Engineering Machinery Engine
Category:
Power:
60kw~97kw
Rating Type
Max. Power
Type:
In line,4 cylinders, 4 stroke
Application:
Drilling Rig/Loader/Bulldozer/Excavator...
Packing Size:
1000*900*1100mm
Weight:
420kg
HS Code:
840820
Technical Specification of B 3.9 Engineering Machinery Engine
Engine Model
4BTA3.9-C80-II~4BTAA3.9-C130
Type
In line,4 cylinders, 4 stroke
Power
60kw~97kw
Fuel System
Weifu PW/RSV
Speed
2000rpm~2500rpm
Peak Torque
350N.m~480N.m
Bore
102
Compression Ratio
17.3： 1
Stroke
120
Cooling system
Radiator& Fan
Displacement
3.9L
Aspiration
Turbocharged &water air cooled
Dry Weight
355 kg
Emission
China Stage II
General Information of B 3.9 Engineering Machinery Engine
Reliable Power for Engineering Machinery
The B 3.9 Engineering Machinery Engine is a compact 3.9-liter, four-cylinder diesel engine designed for construction and industrial use. It provides stable power, good torque, and fuel efficiency. Therefore, it is widely used in excavators, loaders, rollers, drilling rigs, and many other types of equipment.
Durable and Easy to Maintain
The B 3.9 Engineering Machinery Engine is built with a strong mechanical system and a proven design. As a result, it offers long service life and reduced downtime. In addition, its simple structure makes servicing easier, which lowers costs and improves daily productivity.
Compact and Flexible Design
Although the B 3.9 Engineering Machinery Engine is compact, it still delivers reliable performance. Moreover, its flexible size allows easy installation in different machines, making it a practical choice for many engineering projects.
Global Standards and Support
The engine meets international emission standards. In addition, it is supported by a worldwide Cummins service and parts network. Therefore, customers can expect dependable support and easy access to spare parts wherever they operate.
Cost-Effective Performance
Whether used in new machinery or as a replacement, the B 3.9 Engineering Machinery Engine combines reliability, low costs, and strong performance. In conclusion, it is a proven solution that helps increase efficiency and productivity.
| Model | Emission Standard | Governed (kW@RPM) | Peak Torque (Nm@RPM) | Cylinders | Displacement (Liters) |
| 4BTA3.9-C80-II | China Stage II | 60@2200 | 350@1500 | 4 | 3.9 |
| 4BTA3.9-C100-II | China Stage II | 74@2200 | 380@1500 | 4 | 3.9 |
| 4BTA3.9-C110-II | China Stage II | 82@2200 | 460@1400 | 4 | 3.9 |
| 4BTA3.9-C125-II | China Stage II | 93@2200 | 475@1500 | 4 | 3.9 |
| 4BTA3.9-C130-II | China Stage II | 97@2500 | 475@1500 | 4 | 3.9 |
| 4BTAA3.9-C110 | China Stage II | 82@2200 | 515@1400 | 4 | 3.9 |
| 4BTAA3.9-C110 | China Stage II | 82@2200 | 500@1400 | 4 | 3.9 |
| 4BTAA3.9-C115 | China Stage II | 86@2200 | 530@1400 | 4 | 3.9 |
| 4BTAA3.9-C125-ll | China Stage II | 97@2300 | 530@1400 | 4 | 3.9 |
| 4BTAA3.9-C130 | China Stage II | 97@2500 | 480@1500 | 4 | 3.9 |
