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About the Cummins 4BT3.9
The Cummins 4BT3.9 is a compact, durable 3.9‑litre diesel engine known for its reliability and ease of service. Popular in industrial, construction and retrofit applications, it delivers robust low‑end torque and long service life in a small package.

Cummins 4BT3.9-G1 Engine for Generator Set
- Manufacturer: Cummins
- Model: 4BT3.9
- Fuel type: diesel
- Engine displacement: 3.9 L
Engine model: Cummins 4BT3.9-G1 | Displacement: 3.9 L | Bore&stroke: 102×120 mm | Dry weight: 321 KG | Dimension(l*w*h): 867*544*998mm | Center of gravity from front face of block: 373 mm | Center of gravity abo...
Shanghai, China
Cummins 4BT3.9-G2 Engine for Generator Set
- Manufacturer: Cummins
- Model: 4BT3.9
- Power: 8.2 kW
- Fuel type: diesel
Engine model: Cummins 4BT3.9-G2 | Displacement: 3.9 L | Bore&stroke: 102×120 mm | Dry weight: 321 KG | Dimension(l*w*h): 867*544*998mm | Center of gravity from front face of block: 373 mm | Center of gravity abo...
Shanghai, China

