Answer
Jun 23, 2024 - 09:47 PM
The Cummins ISB engine has a displacement of 6.7 liters (409 cubic inches).
This 6.7-liter displacement has been consistent for the ISB series since its introduction in 2007. The engine features an inline-six cylinder configuration, which is a hallmark of Cummins diesel engines. This design offers a balance of power, efficiency, and reliability that has made the ISB popular in various applications.
Key Specifications- Bore: 4.21 inches (107 mm)
- Stroke: 4.88 inches (124 mm)
- Compression Ratio: Typically around 17.3:1 to 19:1, depending on the specific model
The 6.7-liter displacement represents an increase from the previous 5.9-liter ISB engine, allowing for improved performance and better compliance with evolving emissions standards. This larger displacement, combined with advanced technologies like high-pressure common rail fuel injection and variable geometry turbochargers, enables the ISB to deliver impressive power and torque figures while maintaining good fuel efficiency.
The consistent 6.7-liter displacement across different power outputs demonstrates Cummins' ability to tune and optimize a single engine platform for a wide range of applications, from light-duty trucks to medium-duty commercial vehicles.
