Generator set, Engine unit and spare parts

info@twinpower.cc

B 3.9 Engineering Machinery Engine

B 3.9 Engineering Machinery Engine

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

Download of B 3.9 Engineering Machinery Engine Datasheet

Model

Power

Datasheet

Drawing

Service Manual

4BTA3.9-C80-II~4BTAA3.9-C130

60kw~97kw

Download

Download

Download

Model

4BTA3.9-C80-II~4BTAA3.9-C130

Power

60kw~97kw

Emission

Datasheet

Download

Drawing

Download

Service Manual

Download

Related Products

Cummins-KTA50-C1600-industrial engine

Cummins KTA50-C1600 Industrial Diesel Engine – 1600HP Heavy-Duty Power

Power: 1600hp/1194kw@2100rpm

Rating Type: Max. Power

Packing Size: 3200*1700*2200mm

Weight: 5700kgs

HS Code: 840820

Power: 1600hp/1194kw@2100rpm

Rating Type: Max. Power

Application: Mining Trucks/Oilfield Equipment

Weight: 5700kgs

HS Code: 840890

Ask For A Quick Quote

We will contact you within 1 working day, please pay attention to the email with the suffix “@twinpower.cc”. 

Thank you for reaching out!

We'll get back to you as soon as possible. For urgent matters, you’re welcome to contact us directly at info@twinpower.cc.