The ISB6.7 Cummins engine is a powerhouse in the world of heavy-duty vehicles, particularly in China’s booming transportation sector. As a reliable and efficient engine, it plays a crucial role in powering trucks, buses, and construction equipment. Understanding its features and applications is essential for industry professionals and enthusiasts alike.
In this guide, readers will explore the technical specifications, performance metrics, and advantages of the ISB6.7 Cummins engine. We will delve into its design innovations and how they contribute to fuel efficiency and reduced emissions, aligning with global sustainability goals.
Additionally, the guide will cover maintenance best practices and troubleshooting tips to ensure optimal performance. By the end, readers will have a comprehensive understanding of the ISB6.7 Cummins engine, empowering them to make informed decisions in their respective fields.
Comprehensive Guide to the Cummins ISB6.7 Engine
The Cummins ISB6.7 engine is a powerful and reliable diesel engine that has become a staple in various applications, particularly in medium-duty trucks and buses. Known for its robust performance and advanced technology, the ISB6.7 has undergone several enhancements since its introduction, making it a preferred choice for many manufacturers and operators. This guide will delve into the technical features, types, and specifications of the ISB6.7 engine, providing a thorough understanding of its capabilities.
Technical Features of the ISB6.7 Engine
The ISB6.7 engine is designed to meet stringent emissions regulations while delivering exceptional performance. Below is a comparison table highlighting its key technical features:
| Feature | Specification |
|---|---|
| Engine Type | Inline 6-cylinder (I-6) |
| Displacement | 6.7 liters (408 cubic inches) |
| Bore | 4.21 inches (107 mm) |
| Stroke | 4.88 inches (124 mm) |
| Compression Ratio | 17.3:1 (2007-2018), 19.0:1 (2019+) |
| Fuel System | High-pressure common rail injection |
| Turbocharger | Holset HE351VE variable geometry |
| Max Power Output | 350 – 420 hp |
| Max Torque | 610 – 1,075 lb-ft |
| Emissions Compliance | Euro II to Euro 6 |
The ISB6.7 engine is equipped with advanced technologies such as cooled exhaust gas recirculation (EGR) and selective catalytic reduction (SCR) systems, which help reduce emissions while maintaining high performance.
Types of ISB6.7 Engines
The ISB6.7 engine comes in various configurations tailored for different applications. Below is a comparison table of the different types of ISB6.7 engines:
| Engine Model | Power Output (hp) | Torque (lb-ft) | Applications |
|---|---|---|---|
| ISB6.7E6A310B | 310 | 900 | Trucks, Buses |
| ISB6.7E6A250 | 250 | 660 | Medium-duty trucks |
| ISB6.7E6A350 | 350 | 800 | Heavy-duty trucks |
| ISB6.7E6A385 | 385 | 850 | High-output applications |
Each model is designed to meet specific performance requirements, making the ISB6.7 versatile for various industries, including transportation, construction, and agriculture.
Performance and Reliability
The ISB6.7 engine is renowned for its reliability and performance. It has been tested in various conditions, proving its durability and efficiency. The engine’s design allows for high torque at low RPMs, making it suitable for heavy loads and demanding applications. Additionally, the engine’s fuel efficiency is enhanced by its advanced fuel injection system, which optimizes combustion for better mileage.
Applications of the ISB6.7 Engine
The ISB6.7 engine is widely used in several applications, including:
– Medium-Duty Trucks: The engine’s power and torque make it ideal for delivery and service vehicles.
– Buses: Its reliability and efficiency are crucial for public transportation.
– Construction Equipment: The engine’s durability is essential for heavy machinery used in construction.
– Agricultural Equipment: The ISB6.7 is also utilized in tractors and other farming machinery.
Conclusion
The Cummins ISB6.7 engine stands out as a powerful and efficient diesel engine, suitable for a wide range of applications. Its advanced technology, reliability, and performance make it a preferred choice for manufacturers and operators alike. Whether in trucks, buses, or heavy machinery, the ISB6.7 continues to deliver exceptional results.
FAQs
1. What is the power output of the Cummins ISB6.7 engine?
The Cummins ISB6.7 engine has a power output ranging from 250 to 420 horsepower, depending on the specific model.
2. What applications commonly use the ISB6.7 engine?
The ISB6.7 engine is commonly used in medium-duty trucks, buses, construction equipment, and agricultural machinery.
3. How does the ISB6.7 engine comply with emissions regulations?
The ISB6.7 engine utilizes advanced technologies such as EGR and SCR systems to meet stringent emissions standards.
4. What is the torque range for the ISB6.7 engine?
The torque range for the ISB6.7 engine varies from 610 to 1,075 lb-ft, depending on the model.
5. Where can I find more information about the ISB6.7 engine?
For more detailed specifications and information, you can visit websites like www.cummins.com, www.tradechina.com, www.dieselhub.com, www.motorreviewer.com, and shop.cummins.com.