5482743
Alternator
Cummins®

The Cummins 5482743 Alternator is a vital component in the operation of commercial trucks. It is designed to ensure the electrical system of the vehicle functions efficiently, providing power to various electrical components and maintaining the battery’s charge while the engine is running. This alternator is integral to the reliable performance of commercial trucks, contributing to their overall efficiency and operational capability.

Basic Concepts of Alternators

An alternator is a device that converts mechanical energy into electrical energy, which is then used to charge the vehicle’s battery and power its electrical systems. Unlike generators, which produce direct current (DC), alternators produce alternating current (AC), which is then converted to DC by a rectifier within the alternator. This conversion process ensures a consistent and reliable power supply to the vehicle’s electrical components ¹.

Purpose of the 5482743 Alternator

The Cummins 5482743 Alternator plays a significant role in the operation of a truck by generating electrical power to charge the battery and supply electricity to the truck’s electrical systems while the engine is running. This ensures that all electrical components, such as lights, radios, and other accessories, function correctly. Additionally, it maintains the battery’s charge, ensuring the truck can start reliably and operate without interruption.

Key Features

The Cummins 5482743 Alternator is characterized by its robust design and high-quality construction. It features a durable housing, efficient cooling system, and advanced electronic regulation to ensure stable output. Its design allows for efficient operation under various conditions, making it suitable for the demanding environments typical of commercial truck use. Additionally, it incorporates features that enhance its reliability and performance, such as a maintenance-free design and built-in protection against overloads and short circuits ².

Benefits

Using the Cummins 5482743 Alternator offers several benefits, including improved reliability, efficiency, and performance. Its advanced design ensures consistent power output, reducing the risk of electrical failures. The alternator’s efficiency contributes to better fuel economy, as it requires less power from the engine to operate. Furthermore, its robust construction and advanced features provide enhanced durability, making it a reliable choice for commercial truck applications ³.

Installation

Installing the Cummins 5482743 Alternator in a commercial truck requires careful consideration of the vehicle’s specific requirements. Proper installation involves ensuring the alternator is securely mounted, all electrical connections are correctly made, and the drive belt is properly tensioned. It may also require adjustments to the truck’s electrical system to accommodate the alternator’s output and ensure compatibility with the vehicle’s other components.

Maintenance

To ensure the optimal performance and longevity of the Cummins 5482743 Alternator, regular maintenance is recommended. This includes periodic inspections of the alternator and its connections, cleaning the alternator to remove any dirt or debris, and checking the drive belt for wear and proper tension. Additionally, monitoring the alternator’s output and ensuring it operates within specified parameters can help identify potential issues before they become significant problems.

Troubleshooting

Common issues with the Cummins 5482743 Alternator may include electrical faults, mechanical problems, or performance concerns. Troubleshooting steps may involve checking the alternator’s output with a multimeter, inspecting electrical connections for corrosion or damage, and ensuring the drive belt is in good condition and properly tensioned. Addressing these issues promptly can help maintain the alternator’s performance and prevent more severe problems.

Performance

The Cummins 5482743 Alternator is designed to deliver reliable performance under various operating conditions. Its output capacity is sufficient to meet the electrical demands of commercial trucks, ensuring consistent power supply to all electrical components. The alternator’s efficiency and durability contribute to its reliable operation, making it a suitable choice for demanding applications.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a reputation for quality and innovation, Cummins has been a trusted name in the automotive industry for decades. The company’s commitment to excellence is evident in its products, which are designed to deliver reliable performance and efficiency in various applications.

Cummins Alternator Part 5482743 Compatibility

The Cummins alternator part 5482743 is a versatile component designed to fit a wide range of Cummins engines. This alternator is engineered to provide reliable power generation for various engine applications, ensuring consistent performance across different models.

ISB Series Engines

• ISB CM2150
• ISB CM850
• ISB6.7 CM2250
• ISB6.7 CM2350 B101
• ISB6.7 G CM2180 B118

The ISB series engines, including the ISB CM2150, ISB CM850, ISB6.7 CM2250, ISB6.7 CM2350 B101, and ISB6.7 G CM2180 B118, are designed for heavy-duty applications. The part 5482743 alternator is compatible with these engines, providing the necessary power to support their demanding operational requirements.

ISC Series Engines

• ISC CM2150
• ISC8.3 CM2250

The ISC series engines, such as the ISC CM2150 and ISC8.3 CM2250, are known for their efficiency and reliability in various applications. The alternator part 5482743 is designed to fit these engines seamlessly, ensuring optimal power generation and system stability.

ISL Series Engines

• ISL CM2150
• ISL G CM2180
• ISL9 CM2250

The ISL series engines, including the ISL CM2150, ISL G CM2180, and ISL9 CM2250, are widely used in both on-highway and off-highway applications. The part 5482743 alternator is compatible with these engines, providing the necessary electrical power to support their diverse operational needs.

QSB Series Engines

• QSB4.5 CM850 (CM2850)
• QSB6.7 CM2250
• QSB6.7 CM2350 B105
• QSB6.7 CM850 (CM2850)
• QSB7 CM2880 B117

The QSB series engines, such as the QSB4.5 CM850 (CM2850), QSB6.7 CM2250, QSB6.7 CM2350 B105, QSB6.7 CM850 (CM2850), and QSB7 CM2880 B117, are designed for a variety of industrial and agricultural applications. The alternator part 5482743 is compatible with these engines, ensuring reliable power generation across different operational environments.

QSC and QSL Series Engines

• QSC8.3 CM850 (CM2850)
• QSC9 CM2250 / QSL9 CM2250
• QSL8.9 CM2150 L141
• QSL9 CM2250
• QSL9 CM2350 L102
• QSL9 CM850 (CM2850)

The QSC and QSL series engines, including the QSC8.3 CM850 (CM2850), QSC9 CM2250 / QSL9 CM2250, QSL8.9 CM2150 L141, QSL9 CM2250, QSL9 CM2350 L102, and QSL9 CM850 (CM2850), are designed for heavy-duty applications. The part 5482743 alternator is compatible with these engines, providing the necessary power to support their demanding operational requirements.

Role of Part 5482743 Alternator in Engine Systems

The alternator, specifically part 5482743, is a vital component in the engine system, responsible for generating electrical power to sustain the vehicle’s electrical systems while the engine is running. It converts mechanical energy from the engine into electrical energy, which is then used to charge the battery and power various electrical components.

When the engine is operational, a belt connected to the crankshaft drives the alternator. This mechanical input causes the alternator’s rotor to spin within a stationary set of windings, known as the stator. As the rotor spins, it creates a magnetic field that induces an alternating current (AC) in the stator windings. This AC is then converted into direct current (DC) by the alternator’s built-in rectifier, making it suitable for charging the battery and powering the vehicle’s electrical systems.

The alternator works in conjunction with the voltage regulator to maintain a consistent output voltage, typically around 13.5 to 14.5 volts, ensuring that the battery remains charged without overcharging. This stable voltage is essential for the proper function of sensitive electronic components, such as the engine control unit (ECU), sensors, and ignition system.

In addition to charging the battery, the alternator supplies power to other critical systems, including the fuel injection system, ignition system, lighting, and various accessories like the air conditioning compressor and power steering pump. Its reliable operation ensures that these systems function correctly, contributing to the overall performance and drivability of the vehicle.

Conclusion

The Cummins 5482743 Alternator is a critical component in the operation of commercial trucks, ensuring the efficient functioning of the vehicle’s electrical system. Its robust design, advanced features, and compatibility with a wide range of Cummins engines make it a reliable choice for demanding applications. Regular maintenance and proper installation are essential to ensure its optimal performance and longevity.