3675290NW
STR, DENSO 24V, 10T, 7.5K
Cummins®

The Cummins 3675290NW STR, DENSO 24V, 10T, 7.5K is a specialized starter designed for heavy-duty truck applications. Manufactured by Cummins, a leading name in the automotive industry, this starter is engineered to meet the demanding requirements of commercial and industrial vehicles. Its role in heavy-duty truck operations is pivotal, ensuring reliable engine start-up under various conditions ¹.

Basic Concepts

Understanding this Cummins part begins with grasping its fundamental components and specifications. STR stands for Starter, indicating its primary function within the vehicle’s electrical system. DENSO 24V refers to the voltage rating, highlighting its compatibility with 24-volt electrical systems commonly found in heavy-duty trucks. The 10T designation indicates the number of teeth on the starter’s pinion gear, which engages with the engine’s flywheel to initiate rotation. Lastly, 7.5K represents the cranking power in kilovolt-amperes, a measure of the starter’s electrical output capability ².

Functionality

This Cummins part operates within the truck’s electrical system to initiate engine start-up. When the ignition is turned on, the starter motor receives electrical power from the battery. This power activates the starter’s solenoid, which in turn engages the pinion gear with the flywheel. The interaction between the starter motor, battery, and ignition system results in the engine’s rotation, leading to successful start-up.

Purpose and Role

The primary purpose of the 3675290NW is to ensure reliable engine start-up under various conditions. Its robust design and high cranking power make it well-suited for the demanding environments in which heavy-duty trucks operate. By providing consistent and powerful start-up performance, this starter plays a key role in the overall operation and efficiency of the truck.

Key Features

Several key features distinguish the 3675290NW. Its high cranking power ensures efficient engine start-up, even in cold or challenging conditions. The starter’s robust construction enhances its durability, allowing it to withstand the rigors of heavy-duty truck use. Additionally, its compatibility with 24-volt electrical systems ensures seamless integration with the truck’s electrical architecture.

Benefits

The 3675290NW offers several benefits to heavy-duty truck operators. Improved starting performance ensures quick and reliable engine start-ups, reducing downtime and enhancing operational efficiency. The starter’s enhanced durability and reliability contribute to its longevity, providing value over the truck’s lifespan. Furthermore, its compatibility with 24-volt systems ensures it meets the specific electrical requirements of heavy-duty trucks.

Troubleshooting and Maintenance

To ensure optimal performance and longevity of the 3675290NW, regular maintenance and troubleshooting are recommended. Common issues may include difficulty in starting the engine, unusual noises during start-up, or a decrease in starting performance. These issues can often be addressed by checking the battery’s condition, ensuring proper electrical connections, and inspecting the starter for signs of wear or damage. Regular maintenance, such as cleaning the starter and its connections, can help prevent issues and ensure reliable operation.

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 has established a reputation for quality, innovation, and reliability in the automotive industry. Its product offerings include a wide range of engines and components for on-highway, off-highway, and stationary applications, making it a trusted name in the realm of heavy-duty truck components ³.

Conclusion

The Cummins 3675290NW STR, DENSO 24V, 10T, 7.5K is a critical component in ensuring reliable engine start-up for heavy-duty trucks. Its robust design, high cranking power, and compatibility with 24-volt systems make it an essential part for commercial and industrial vehicle applications. Regular maintenance and troubleshooting can help ensure its optimal performance and longevity.