3964428NW
STR, DENSO 12V, 13T, 2.
Cummins®

The Cummins 3964428NW STR, DENSO 12V, 13T, 2 is a specialized component designed for heavy-duty truck applications. Its primary function is to enhance the electrical system’s efficiency and reliability, ensuring optimal performance in demanding operational environments.

Basic Concepts

Understanding this Cummins part requires familiarity with several key terms. “STR” stands for Starter, which is a device used to crank the engine to start it. “DENSO 12V” refers to the voltage rating of the starter, indicating it operates on a 12-volt electrical system. “13T” denotes the number of teeth on the starter’s gear, which engages with the flywheel to turn the engine over. The “2” typically signifies a specific model or version within the Denso product line. These components work together to ensure the engine starts reliably and efficiently ¹.

Purpose and Function

This part plays a significant role in the operation of a truck by initiating the engine start process. It is part of the electrical system that ensures the engine cranks smoothly and starts promptly, which is vital for the overall performance and reliability of the truck. This component is engineered to handle the high demands of heavy-duty applications, providing consistent and powerful starts even under challenging conditions ².

Key Features

The 3964428NW STR, DENSO 12V, 13T, 2 is characterized by its robust design and high-quality construction. It features a durable housing that protects internal components from environmental factors, ensuring longevity and reliability. The starter is equipped with advanced technology to enhance performance, including precise gear alignment and efficient power transfer. Its unique characteristics, such as the 13-tooth gear design, allow for smooth engagement with the flywheel, reducing wear and tear ³.

Benefits

Using this Cummins part in heavy-duty trucks offers several advantages. It provides improved starting performance, ensuring the engine starts quickly and reliably. The component’s design enhances the overall efficiency of the electrical system, contributing to better fuel economy. Additionally, its robust construction and advanced features increase the reliability and durability of the truck’s starting system, reducing the likelihood of unexpected failures.

Troubleshooting and Maintenance

To maintain optimal performance, regular inspection and maintenance of this part are recommended. Common issues may include difficulty starting the engine, unusual noises during operation, or a decrease in starting power. Troubleshooting steps involve checking the battery connections, ensuring the starter is properly aligned, and inspecting for any signs of wear or damage. Regular maintenance, such as cleaning the starter and ensuring all connections are tight, can help prevent issues and extend the component’s lifespan.

Installation and Compatibility

Proper installation of this part is crucial for ensuring it functions correctly within the truck’s electrical system. Installation should follow manufacturer guidelines to ensure all connections are secure and the starter is properly aligned with the flywheel. Compatibility with different truck models and makes should be verified to ensure the starter meets the specific requirements of the vehicle.

Performance Enhancements

Upgrading to this part can lead to several performance enhancements. These may include increased power output during the starting process, improved fuel efficiency due to a more efficient electrical system, and enhanced reliability, reducing the risk of starting issues. The advanced design and technology of this starter contribute to these improvements, making it a valuable component for heavy-duty truck applications.

Safety Considerations

When working with this part, several safety considerations should be kept in mind. Proper handling and storage of the component are important to prevent damage and ensure it functions correctly. Additionally, when installing or maintaining the starter, it is crucial to follow safety protocols to avoid electrical hazards and injuries. This includes disconnecting the battery before working on the electrical system and using appropriate personal protective equipment.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. Founded in 1919, Cummins has a long history of innovation and excellence in the automotive industry. The company is known for its high-quality products and contributions to advancing engine technology, providing reliable and efficient solutions for a wide range of applications, including heavy-duty trucks.

Conclusion

The Cummins 3964428NW STR, DENSO 12V, 13T, 2 is a critical component for heavy-duty truck applications, offering enhanced starting performance, improved fuel efficiency, and increased reliability. Regular maintenance and proper installation are essential to ensure optimal performance and longevity. With its robust design and advanced features, this part contributes significantly to the overall efficiency and reliability of heavy-duty trucks.