4974306
Alternator
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$1,449.95 $1,725.44

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 Cummins 4974306 Alternator is a component designed for use in commercial trucks. It serves a role in the vehicle’s electrical system by generating power to charge the battery and supply electricity to the truck’s electrical components while the engine is running. Its significance lies in ensuring that the truck’s electrical systems operate efficiently and reliably, contributing to the overall performance and functionality of the vehicle.

Basic Concepts of an Alternator

An alternator is a device that converts mechanical energy into electrical energy. It functions by using a rotor that spins within a stationary stator, generating an alternating current (AC) that is then converted into direct current (DC) by a rectifier. This DC power is used to charge the battery and power the truck’s electrical systems. Alternators differ from generators in that they produce AC, which is then converted to DC, whereas generators directly produce DC 1.

Purpose of the 4974306 Alternator

This Cummins part plays a role in the operation of a truck by generating electrical power to charge the battery and supply electricity to the truck’s electrical components while the engine is running. This ensures that the battery remains charged and that all electrical systems, such as lights, radios, and other accessories, function properly.

Key Features

The 4974306 Alternator is characterized by its robust design and construction, utilizing high-quality materials to ensure durability and reliability. It incorporates advanced technological features that enhance its performance and efficiency. These features may include improved heat dissipation, enhanced electrical output, and a compact design that allows for easier installation and maintenance.

Benefits

Using the 4974306 Alternator offers several benefits, including increased reliability, efficiency, and durability. These attributes contribute to the overall performance and longevity of the truck by ensuring that the electrical system operates smoothly and efficiently, reducing the likelihood of electrical failures and enhancing the truck’s operational capabilities.

Installation and Compatibility

Proper installation of the 4974306 Alternator is important for ensuring optimal performance and longevity. It is important to follow manufacturer guidelines and consider any specific requirements or considerations for installation. Compatibility with various truck models and engine types should be verified to ensure seamless integration and operation within the vehicle’s electrical system.

Maintenance and Troubleshooting

Maintaining the 4974306 Alternator is key to ensuring optimal performance and longevity. Regular checks and servicing can help identify potential issues before they become serious problems. Common troubleshooting tips include monitoring for voltage fluctuations, unusual noises, or diminished output, which may indicate the need for maintenance or repair.

Performance and Efficiency

The performance and efficiency of the 4974306 Alternator can vary under different operating conditions. Factors such as temperature, load, and engine speed may affect its performance. Understanding these factors and how they influence the alternator’s operation can help in optimizing its performance and ensuring reliable electrical power supply to the truck’s systems.

Safety Considerations

When working with the 4974306 Alternator, it is important to observe safety considerations to prevent accidents or injuries. This includes proper handling, adhering to electrical safety precautions, and following maintenance procedures as outlined by the manufacturer. Ensuring a safe working environment is crucial when performing any tasks related to the alternator.

Environmental Impact

The 4974306 Alternator, like all automotive components, has an environmental impact. Its energy efficiency, emissions, and recyclability are factors that contribute to its overall environmental footprint. Cummins is committed to sustainability and eco-friendly practices in alternator manufacturing, aiming to minimize the environmental impact of its products.

Cummins Corporation

Cummins Corporation is a leading manufacturer in the automotive industry, known for its history, mission, and reputation for quality and innovation. The company offers a wide range of products, including engines, filtration, power generation, and emission solutions. Cummins’ commitment to innovation and quality is evident in its product lineup, which includes the 4974306 Alternator 2.

Compatibility with ISM CM570 and ISM11 CM876 SN Engines

This alternator is designed to be compatible with specific engine models, ensuring reliable performance and efficient power generation. It is engineered to meet the demands of the ISM CM570 and ISM11 CM876 SN engines, providing a seamless integration that enhances the overall functionality of these power units.

For the ISM CM570 engine, the 4974306 is meticulously crafted to fit perfectly within the engine’s architecture. Its design ensures optimal alignment and secure mounting, facilitating efficient power transfer and minimizing the risk of mechanical issues. This compatibility is crucial for maintaining the engine’s performance and longevity.

Similarly, the ISM11 CM876 SN engine benefits from the use of the 4974306. This alternator is engineered to integrate smoothly with the engine’s design, ensuring that it can handle the specific power requirements and operational conditions of the ISM11 CM876 SN. The precise fit and robust construction of the alternator contribute to the engine’s reliability and efficiency.

In both cases, the 4974306 is a critical component that supports the engine’s electrical system. Its compatibility with the ISM CM570 and ISM11 CM876 SN engines underscores Cummins’ commitment to providing high-quality, reliable parts that enhance the performance and durability of their engines.

Role of Part 4974306 Alternator in Engine Systems

The 4974306 is an essential component within the engine system, primarily responsible for generating electrical power to sustain the vehicle’s electrical systems while the engine is running. This alternator works in conjunction with several other components to ensure the seamless operation of the vehicle.

When the engine starts, the alternator is driven by a belt connected to the crankshaft. As the crankshaft rotates, it spins the alternator’s rotor inside the stator, generating electrical power. This power is then regulated by the voltage regulator, which ensures a consistent output to the battery and electrical systems.

The alternator supplies power to the battery, keeping it charged and providing the necessary electricity for the ignition system, lighting, and various electronic control units (ECUs). It also powers accessories such as the air conditioning compressor, power steering pump, and entertainment systems.

In modern vehicles, the alternator interacts with the engine control unit (ECU) to optimize performance. The ECU monitors the electrical load and adjusts the alternator’s output accordingly, ensuring efficient power distribution and reducing strain on the engine.

Additionally, the alternator plays a role in the vehicle’s start-stop system, if equipped. During periods when the engine is turned off to save fuel, the alternator quickly recharges the battery to ensure the engine can restart smoothly.

Overall, the 4974306 is integral to maintaining the vehicle’s electrical system, supporting both essential and auxiliary functions within the engine system.

Conclusion

The Cummins 4974306 Alternator is a vital component in commercial trucks, ensuring the efficient and reliable operation of the vehicle’s electrical systems. Its robust design, advanced features, and compatibility with specific engine models make it a reliable choice for maintaining the performance and longevity of the truck. Proper installation, maintenance, and understanding of its role within the engine system are crucial for maximizing its benefits and ensuring the overall functionality of the vehicle.


  1. Limpert, Rudolf. Brake Design and Safety, Third Edition. SAE International, 2011.

  2. Stone, Richard. Introduction to Internal Combustion Engines, Fourth Edition. Macmillan, 2012.

SPECIFICATIONS

Package Dimensions
34.0 x 26.0 x 18.0 in
Weight
11.5 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.