Cummins ISB 3.9 Vehicle Engine
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Cummins ISB 3.9 Vehicle Engine
Category:
Power:
92kw~118kw
Rating type:
Rated Power
Type:
In line, 4 cylinders, 4 stroke
Application:
Vehicle Engine for Bus, Truck etc.
Packing Size:
1000*900*1100mm
Weight:
420kg
HS Code:
840820
Technical Specification of Cummins ISB 3.9 Vehicle Engine
Engine Model
ISB3.9-125E30~ISB3.9-160E41A
Fuel System
HPCR
Rated Power
92kw~118kw
Peak Engine Torque
410N.m~510N.m
Rated Speed
2500rpm
Compression Ratio
18.5:1
Fuel Consumption
Aspiration
Turbocharged & Aftercooled
Bore
102
Stroke
120
Displacement
3.9
Emission
China Stage Ⅲ, China Stage IV
General Information of Cummins ISB 3.9 Vehicle Engine
Introduction to Cummins ISB 3.9 Vehicle Engine
The Cummins ISB 3.9 is a reliable four-cylinder diesel engine used in light- and medium-duty commercial vehicles. Firstly, it delivers strong power while keeping fuel consumption low, which makes it a popular choice for both fleet operators and individual drivers. Moreover, it features advanced electronic controls that help manage fuel precisely and ensure cleaner combustion. As a result, emissions are reduced, and the engine meets modern environmental standards.
In addition, the ISB 3.9 has a modular design, which makes maintenance easier and lowers operating costs. Even more importantly, it performs smoothly under different driving conditions, providing steady torque and acceleration. Therefore, drivers can rely on it in both city traffic and long-distance travel. Furthermore, its combination of efficiency, power, and environmental friendliness shows Cummins’ commitment to quality and innovation.
Finally, the ISB 3.9 supports a wide range of commercial and industrial transportation needs. In conclusion, this engine is not only durable and powerful but also easy to maintain and environmentally responsible, making it a trusted choice for modern vehicles.
| Model | Emission Standard | Governed (kW@RPM) | Peak Torque (Nm@RPM) | Cylinders | Displacement (Liters) |
| ISB3.9-125E30 | China StageⅢ | 92@2500 | 410@1500 | 4 | 3.9 |
| ISB3.9-140E30 | China StageⅢ | 103@2500 | 450@1500 | 4 | 3.9 |
| ISB3.9-160E30 | China StageⅢ | 116@2500 | 510@1500 | 4 | 3.9 |
| ISB3.9-125E40A | China StageIV | 92@2500 | 410@1500 | 4 | 3.9 |
| ISB3.9-140E40A | China StageIV | 103@2500 | 450@1500 | 4 | 3.9 |
| ISB3.9-160E40A | China StageIV | 116@2500 | 510@1500 | 4 | 3.9 |
| ISB3.9-160E41A | China StageIV | 118@2500 | 500@1500 | 4 | 3.9 |
Download of Cummins ISB 3.9 Vehicle Engine Datasheet
Model
Power
Emission
Datasheet
Drawing
Service Manual
ISB3.9-125E30~ISB3.9-160E41A
92kw~118kw
China Stage Ⅲ, China Stage IV
Download
Download
Download
Model
ISB3.9-125E30~ISB3.9-160E41A
Power
92kw~118kw
Emission
China Stage Ⅲ, China Stage IV
Datasheet
Download
Drawing
Download
Service Manual
Download
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