4063626
Alternator
Cummins®

The Cummins 4063626 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 longevity of the vehicle ¹.

Basic Concepts of Alternators

An alternator is a device that converts mechanical energy into electrical energy. It functions by using a rotor that spins within a stationary set of coils, known as the stator, to generate an alternating current (AC). This AC is then converted into direct current (DC) by a rectifier, which is used to charge the battery and power the vehicle’s electrical systems. Alternators differ from generators in that they produce AC, which is then converted to DC, whereas generators directly produce DC ².

Purpose of the Cummins 4063626 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 truck’s electrical systems, such as lighting, ignition, and various electronic controls, have a consistent power source ¹.

Key Features

The 4063626 is characterized by its robust design and build quality. It incorporates several technological advancements, including efficient cooling systems and advanced rectifiers, which enhance its performance and reliability. These features contribute to its ability to operate under a wide range of conditions and loads ¹.

Benefits

Using the 4063626 offers several advantages, including reliability, efficiency, and durability. These benefits contribute to the overall performance and longevity of the truck by ensuring that the electrical systems receive a consistent and sufficient power supply. This, in turn, helps maintain the truck’s operational efficiency and reduces the likelihood of electrical failures ¹.

Installation and Integration

Proper installation of the 4063626 is crucial for its effective operation. It requires careful alignment and secure mounting to ensure it functions correctly within the truck’s electrical system. Specific requirements or considerations may vary depending on the truck model, necessitating adherence to manufacturer guidelines for optimal integration ¹.

Troubleshooting and Maintenance

Common issues with the 4063626 may include electrical faults, bearing wear, or rectifier failures. Troubleshooting steps involve checking electrical connections, testing output voltage, and inspecting for physical damage. Regular maintenance, such as cleaning the alternator and checking belt tension, can help ensure its longevity and optimal performance ¹.

Performance Under Various Conditions

The 4063626 is designed to perform efficiently under different driving conditions, including heavy load, high altitude, or extreme temperatures. Its advanced features, such as efficient cooling and robust construction, enable it to maintain consistent output and reliability across a wide range of operational environments ¹.

Technological Advancements

The 4063626 incorporates several technological features that enhance its performance and reliability. These include advanced cooling systems to prevent overheating, efficient rectifiers for better power conversion, and durable construction materials to withstand harsh operating conditions. These advancements contribute to its ability to deliver consistent and reliable electrical power ¹.

Cummins: A Brief Overview

Cummins Inc. is a well-established manufacturer in the commercial truck industry, known for its commitment to innovation and quality in automotive component manufacturing. With a rich history of producing reliable and high-performance parts, Cummins has built a reputation for excellence and durability in the market. Its dedication to advancing technology and maintaining high standards in manufacturing underscores its position as a leader in the industry ³.

Cummins Alternator 4063626 Compatibility

The alternator part number 4063626 is designed to fit a variety of Cummins engines, ensuring reliable power generation across different engine models. This alternator is engineered to provide efficient and dependable electrical power, crucial for the operation of various engine systems.

Compatible Engines

• 4B3.9
• 6B5.9
• QSB3.3 CM2250 EC
• QSB4.5 CM2250 EC
• QSB4.5 CM850 (CM2850)
• QSB6.7 CM2250
• QSB6.7 CM2350 B105
• QSB6.7 CM850 (CM2850)
• QSB7 CM2880 B117

Grouping of Compatible Engines

• QSB Series Engines

  • QSB3.3 CM2250 EC
  • QSB4.5 CM2250 EC
  • QSB4.5 CM850 (CM2850)
  • QSB6.7 CM2250
  • QSB6.7 CM2350 B105
  • QSB6.7 CM850 (CM2850)
  • QSB7 CM2880 B117

• Other Cummins Engines

  • 4B3.9
  • 6B5.9

This alternator is specifically designed to meet the power requirements of these engines, ensuring seamless integration and optimal performance ³.

Role of Part 4063626 Alternator in Engine Systems

The alternator, specifically part 4063626, is an integral component within the engine system, responsible for generating electrical power to sustain the vehicle’s electrical needs while the engine is running. It works in conjunction with several key components to ensure the vehicle operates efficiently ².

Interaction with the Engine

The alternator is driven by a belt connected to the engine’s crankshaft. As the engine runs, the crankshaft’s rotation is transferred to the alternator via this belt, enabling the alternator to generate electricity ².

Charging the Battery

One of the primary functions of the alternator is to recharge the vehicle’s battery. The electrical current produced by the alternator is directed to the battery, maintaining its charge level and ensuring it has sufficient power to start the engine and operate electrical systems when the engine is off ².

Powering Electrical Systems

The alternator supplies power to various electrical components within the vehicle, including the ignition system, lighting, climate control, and infotainment systems. This ensures that all these systems function correctly while the engine is running ².

Regulation of Electrical Output

The alternator’s output is regulated by the voltage regulator, which ensures a consistent electrical supply to the battery and other components. This regulation prevents overcharging or undercharging, which could damage the battery or electrical systems ².

Support for Start-Stop Systems

In vehicles equipped with start-stop systems, the alternator plays a significant role in quickly restarting the engine after it has been shut off. It ensures that the battery has enough charge to facilitate a smooth and rapid engine restart ².

Integration with the ECU

The alternator communicates with the Engine Control Unit (ECU) to monitor and adjust the electrical output based on the vehicle’s demand. This integration ensures optimal performance and efficiency of the electrical system under varying driving conditions ².

Contribution to Fuel Efficiency

By efficiently managing the electrical load and ensuring the battery is adequately charged, the alternator indirectly contributes to fuel efficiency. A well-maintained and properly functioning alternator reduces the strain on the engine, allowing it to operate more efficiently ².

Conclusion

The Cummins 4063626 Alternator is a critical component in the electrical system of commercial trucks, ensuring reliable power generation and efficient operation of the vehicle’s electrical components. Its robust design, advanced features, and compatibility with a range of Cummins engines make it a valuable asset for maintaining the performance and longevity of commercial trucks ¹²³.