4966684
Starting Motor
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$16,499.95 $19,634.94

Oversize Item

This is an oversize product. Additional shipping fees may apply.

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The 4966684 Starter Motor, manufactured by Cummins, is a component designed for use in commercial trucks. Cummins is a well-established name in the automotive and commercial vehicle industry, known for its commitment to innovation, quality, and customer satisfaction. Starter motors play a significant role in vehicle operation by initiating the engine’s starting process. This overview will delve into the specifics of the 4966684 Starter Motor, its function, and its application in commercial trucks.

Basic Concepts of Starter Motors

A starter motor is an electric motor that rotates the engine to start it. Its primary function within a vehicle’s ignition system is to convert electrical energy into mechanical energy, which is used to turn the engine over. This action compresses the air-fuel mixture in the cylinders, allowing the engine to ignite and run independently. A typical starter motor consists of several components, including the solenoid, the drive mechanism, and the motor itself. The solenoid acts as a switch that engages the drive mechanism, which in turn connects the motor to the engine’s flywheel. The motor, powered by the vehicle’s battery, then rotates the engine 1.

Purpose of the 4966684 Starter Motor

The 4966684 Starter Motor is specifically designed to facilitate the starting process in commercial trucks. It engages with the engine’s flywheel or flexplate to initiate rotation, allowing the engine to start. This starter motor is engineered to handle the demands of heavy-duty applications, ensuring reliable performance under various operating conditions.

Key Features

The 4966684 Starter Motor boasts several key features that enhance its performance and durability in heavy-duty applications. Its design incorporates high-quality construction materials, ensuring resilience against wear and tear. Unique attributes of this starter motor include its robust build, which is tailored to withstand the rigors of commercial truck use, and its efficient power delivery, which contributes to reliable engine starts.

Benefits

Utilizing the 4966684 Starter Motor in commercial trucks offers several benefits. These include improved reliability, efficiency, and longevity. The starter motor’s design and construction materials contribute to its durability, reducing the likelihood of failure and the need for frequent replacements. Additionally, its efficient operation can lead to cost savings over time by minimizing energy consumption during the starting process 2.

Installation and Compatibility

Proper installation of the 4966684 Starter Motor is crucial for ensuring optimal performance and longevity. Specific requirements and considerations for commercial truck applications should be followed to ensure compatibility and correct operation. It is designed to fit a range of truck models and engine types, making it a versatile choice for fleet operators.

Troubleshooting and Maintenance

Common issues with the 4966684 Starter Motor may include difficulty starting the engine, unusual noises during operation, or a complete failure to start. Troubleshooting steps can vary depending on the issue but may involve checking electrical connections, inspecting the battery, and ensuring the starter motor is properly engaged with the engine. Regular maintenance, including inspections and servicing as recommended by the manufacturer, can help prevent issues and ensure the starter motor operates efficiently.

Performance in Harsh Conditions

The 4966684 Starter Motor is designed to perform under various operating conditions, including extreme temperatures, high altitudes, and heavy loads. Its resilience and reliability in demanding environments make it suitable for commercial truck applications, where durability and consistent performance are paramount.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and a strong reputation in the automotive and commercial vehicle industry, Cummins is committed to providing high-quality products that meet the needs of its customers. The company’s focus on innovation, quality, and customer satisfaction is evident in its wide range of products, including the 4966684 Starter Motor 3.

Compatibility of Starter Motor Part 4966684 with Cummins Engines

The Cummins Starter Motor part number 4966684 is designed to be compatible with a range of Cummins engines, ensuring reliable performance across various applications. This starter motor is engineered to fit seamlessly with the following engines:

  • GTA38 G CMEICS G116C
  • KTA38GC CM558

These engines, while differing in specific configurations and applications, share common design elements that allow the 4966684 starter motor to integrate effectively. The compatibility is achieved through precise engineering and adherence to industry standards, ensuring that the starter motor provides consistent and robust performance.

For the GTA38 G CMEICS G116C engine, the starter motor is tailored to match the engine’s power requirements and operational environment. This ensures efficient starting and reliable operation under various conditions.

Similarly, the KTA38GC CM558 engine benefits from the 4966684 starter motor’s design, which is optimized for the engine’s specific needs. This compatibility ensures that the starter motor can handle the demands of the engine, providing dependable starting performance.

In summary, the Cummins Starter Motor part number 4966684 is a versatile component that fits well with both the GTA38 G CMEICS G116C and KTA38GC CM558 engines, ensuring optimal performance and reliability.

Role of Part 4966684 Starter Motor in Engine Systems

The 4966684 starter motor is an integral component in the starting system of an engine. When the ignition key is turned, the starter motor is engaged. It converts electrical energy from the battery into mechanical energy, which is used to rotate the engine’s flywheel. This rotation creates the necessary momentum for the engine to start.

In conjunction with the motor, the starter motor ensures a smooth and efficient start-up process. It works in harmony with the battery, ignition switch, and flywheel to initiate engine operation. The starter motor’s reliable performance is essential for consistent engine starts, whether in cold or warm conditions.

The starting system, which includes the starter motor, is designed to handle the high current demands required to start the engine. It must be robust enough to operate under various conditions, from extreme temperatures to high engine loads. The starter motor’s efficiency directly impacts the overall performance and reliability of the engine starting process.

Conclusion

The 4966684 Starter Motor by Cummins is a robust and reliable component designed for heavy-duty commercial truck applications. Its key features, including high-quality construction materials and efficient power delivery, contribute to its durability and performance under various operating conditions. The starter motor’s compatibility with a range of Cummins engines ensures versatile application across different truck models and engine types. Regular maintenance and proper installation are crucial for ensuring optimal performance and longevity. The 4966684 Starter Motor plays a vital role in the engine starting process, ensuring smooth and efficient engine starts under diverse conditions.


  1. Majewski, A., & Jaskelainen, H. (2023). Diesel Emissions and Their Control: Second Edition. SAE International.

  2. Hu, H., Smaling, R., & Baseley, S. (2014). Heavy-Duty Wheeled Vehicles. SAE International.

  3. Klyde, M., & VanGelder, K. (2010). Advanced Automotive Electricity and Electronics. Jones Bartlett Learning.

SPECIFICATIONS

Package Dimensions
60.0 x 22.0 x 34.0 in
Weight
17.06 lbs
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.