3687050
Exhaust Transfer Tube
Cummins®

The Exhaust Transfer Tube, identified by Part #3687050, is a component manufactured by Cummins that plays a role in the exhaust system of heavy-duty trucks. Its function is to facilitate the efficient transfer of exhaust gases from the engine to the exhaust aftertreatment system. This part contributes to the overall performance and emissions control of the vehicle ².

Function and Operation

The Exhaust Transfer Tube operates by directing exhaust gases from the engine’s turbocharger or exhaust manifold to the exhaust aftertreatment components, such as the diesel particulate filter (DPF) or selective catalytic reduction (SCR) system. It ensures that the gases flow smoothly and efficiently through the system, which is vital for maintaining the engine’s performance and reducing emissions. The tube is designed to withstand high temperatures and pressures, ensuring reliable operation under various driving conditions ¹.

Key Features

The design and construction of the Exhaust Transfer Tube include several notable features. It is typically made from high-quality materials that offer durability and resistance to corrosion and thermal stress. The tube is engineered to integrate seamlessly with other exhaust components, ensuring a secure and leak-free connection. Its robust construction supports long-term reliability and performance in demanding environments ².

Benefits

The Exhaust Transfer Tube provides several advantages within the exhaust system. It enhances exhaust flow, which can lead to improved engine performance. By ensuring efficient gas transfer, it contributes to reduced emissions, helping the vehicle meet environmental regulations. Additionally, the tube’s design supports the overall reliability of the exhaust system, reducing the likelihood of leaks or failures ².

Installation and Integration

Proper installation of the Exhaust Transfer Tube is crucial for its effective function. It is designed to be compatible with various truck models and exhaust systems. Installation guidelines typically include ensuring a secure fit with other exhaust components, verifying proper alignment, and checking for any potential leaks. Following these guidelines helps maintain the integrity of the exhaust system and ensures optimal performance ².

Maintenance and Troubleshooting

Regular maintenance of the Exhaust Transfer Tube is recommended to ensure its longevity and performance. This includes periodic inspections for signs of wear, corrosion, or damage. Common issues may include leaks or blockages, which can be diagnosed through visual inspection and pressure testing. Troubleshooting procedures may involve cleaning, repairing, or replacing the tube if necessary, to maintain system efficiency ².

Regulatory Compliance

The Exhaust Transfer Tube is designed to comply with environmental regulations and emission standards. It plays a role in ensuring that heavy-duty trucks meet legal requirements for exhaust emissions. By facilitating efficient exhaust gas transfer and integration with aftertreatment systems, it contributes to the vehicle’s compliance with environmental laws and regulations ².

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins is committed to innovation and sustainability in the automotive and heavy-duty truck industries. The company’s product range includes a variety of components and systems designed to enhance vehicle performance, efficiency, and reliability ².

Exhaust Transfer Tube 3687050 Compatibility with Cummins Engines

The Exhaust Transfer Tube part number 3687050 is designed to fit seamlessly with several Cummins engine models. This part is integral to the exhaust system, ensuring efficient transfer of exhaust gases from the turbocharger to the exhaust manifold. Here are the Cummins engines that are compatible with this part:

ISX15 Series

• ISX15 CM2250
• ISX15 CM2350 X101

These engines are part of the ISX15 series, known for their robust performance and reliability in heavy-duty applications. The Exhaust Transfer Tube 3687050 is engineered to fit these models, ensuring optimal exhaust flow and reducing back pressure.

QSX15 Series

• QSX15 CM2250
• QSX15 CM2250 ECF

The QSX15 series engines, including the QSX15 CM2250 and QSX15 CM2250 ECF, are designed for medium-duty applications. The Exhaust Transfer Tube 3687050 is specifically crafted to integrate with these engines, facilitating efficient exhaust management and contributing to the overall performance of the engine.

By ensuring compatibility with these engines, the Exhaust Transfer Tube 3687050 helps maintain the integrity of the exhaust system, supporting the engine’s operational efficiency and longevity ².

Role of Part 3687050 Exhaust Transfer Tube in Engine Systems

The Exhaust Transfer Tube, identified by part number 3687050, is an integral component within the engine system, facilitating the efficient management and redirection of exhaust gases. This component works in conjunction with several other elements to optimize engine performance and emissions control.

Interaction with Exhaust Recirculation System

The Exhaust Transfer Tube plays a significant role in the Exhaust Gas Recirculation (EGR) system. It is responsible for transporting a portion of the exhaust gases back into the intake manifold. This process helps in reducing nitrogen oxides (NOx) emissions by lowering the combustion temperature within the cylinders. The tube ensures a smooth and controlled flow of recirculated exhaust gases, which is essential for maintaining the efficiency and effectiveness of the EGR system ².

Contribution to Exhaust Arrangement

In the overall exhaust arrangement, the Exhaust Transfer Tube is positioned to connect various components of the exhaust system. It links the exhaust manifold to the catalytic converter and other downstream components. This connection is vital for maintaining the structural integrity and operational efficiency of the exhaust system. The tube allows for the safe and efficient transfer of exhaust gases from the engine to the exhaust treatment components, ensuring that the gases are processed correctly before being released into the atmosphere ².

Enhancing Recirculation Efficiency

The design and placement of the Exhaust Transfer Tube are optimized to enhance the efficiency of the recirculation process. By providing a dedicated pathway for the exhaust gases, the tube minimizes the risk of leaks and ensures that the gases are recirculated in a controlled manner. This controlled recirculation is important for maintaining the desired air-fuel ratio and ensuring that the engine operates within specified emissions standards ².

Supporting Overall Engine Performance

Beyond its specific role in the EGR system, the Exhaust Transfer Tube contributes to the overall performance of the engine. By ensuring that exhaust gases are managed effectively, the tube helps in maintaining optimal engine temperature, reducing backpressure, and enhancing fuel efficiency. Its integration within the engine system underscores the importance of precise engineering and component interaction in achieving high performance and compliance with environmental regulations ².

Conclusion

The Exhaust Transfer Tube part number 3687050 is a critical component in the exhaust systems of heavy-duty trucks, particularly those equipped with Cummins engines. Its role in facilitating efficient exhaust gas transfer, enhancing engine performance, and ensuring compliance with emissions regulations underscores its importance in modern diesel technology. Proper installation, regular maintenance, and understanding its interaction with other engine components are essential for maximizing the benefits of this Cummins part.