3964687
AIR COMPRESSOR
Cummins®

The Cummins 3964687 Air Compressor is a component designed for use in commercial trucks. It serves to generate and maintain the compressed air necessary for various truck systems, including the braking system, air suspension, and other pneumatic components. Its role is significant in ensuring the efficient and safe operation of commercial vehicles ¹.

Basic Concepts of Air Compressors

Air compressors are mechanical devices that convert power into potential energy stored in pressurized air. They operate by drawing in air, compressing it, and storing it in a tank until needed. In various industries, air compressors are utilized for powering tools, operating machinery, and supporting pneumatic systems. In the context of commercial trucking, air compressors are vital for the functionality of systems that require compressed air ².

Role of the Cummins 3964687 Air Compressor in Truck Operation

This Cummins part contributes to the operation of a truck by supplying the compressed air required for the braking system, air suspension, and other pneumatic systems. It ensures that these systems have a consistent and reliable source of compressed air, which is crucial for their performance. The compressor’s efficiency and reliability directly impact the truck’s overall operational effectiveness.

Key Features

The 3964687 is characterized by its robust design and high build quality. It incorporates advanced technological features that enhance its efficiency and durability. These features contribute to its ability to perform under demanding conditions and provide reliable service over an extended period.

Benefits of Using the Cummins 3964687 Air Compressor

Utilizing this part offers several advantages. These include improved performance of truck systems that rely on compressed air, increased reliability, better fuel efficiency due to optimized air compression, and a longer service life compared to other models. These benefits contribute to the overall efficiency and cost-effectiveness of truck operations ³.

Troubleshooting and Maintenance Suggestions

Common issues with the AIR COMPRESSOR may include leaks, unusual noises, or a decrease in performance. Diagnostic tips involve checking for visible signs of wear or damage, listening for abnormal sounds during operation, and monitoring the compressor’s performance metrics. Regular maintenance practices, such as cleaning, lubrication, and inspection of components, are recommended to ensure optimal performance and longevity.

Integration with Truck Systems

The 3964687 integrates seamlessly with various truck systems. It works in conjunction with the braking system to provide the necessary air pressure for effective braking. It also supports the air suspension system, contributing to a smoother ride and better load handling. Additionally, it powers other pneumatic components, ensuring their proper function.

Performance Under Various Conditions

The 3964687 is designed to perform efficiently under a range of operating conditions. It maintains its effectiveness in varying temperatures, altitudes, and load conditions. This versatility ensures that trucks equipped with this compressor can operate reliably in diverse environments.

Environmental and Safety Considerations

The use of the Cummins 3964687 Air Compressor involves considerations related to environmental impact and safety. It is designed to minimize emissions and operate at acceptable noise levels. Safety protocols should be followed to ensure the safe installation, operation, and maintenance of the compressor, protecting both the equipment and the operators.

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 quality, Cummins serves commercial vehicle, power systems, and component markets. The company is known for its commitment to advancing technology and providing reliable, high-performance products to its customers.

Cummins Air Compressor 3964687 Compatibility

The Cummins Air Compressor part number 3964687 is designed to fit a variety of Cummins engines, ensuring optimal performance and reliability across different models. Here is a detailed overview of its compatibility:

ISB/ISD Series

• ISB/ISD4.5 CM2150 B119
• ISB/ISD6.7 CM2150 SN

The 3964687 air compressor is compatible with the ISB/ISD4.5 and ISB/ISD6.7 engines. These engines are known for their robust design and efficiency, making the air compressor an essential component for maintaining proper air pressure and system functionality.

ISB Series

• ISB4.5 CM2350 B104

This specific ISB engine model also pairs well with the 3964687 air compressor. The compatibility ensures that the engine’s air system operates smoothly, contributing to the overall performance and longevity of the engine.

ISBE Series

• ISBE CM2150
• ISBE CM800
• ISBE4 CM850

The ISBE series engines, including the ISBE CM2150, ISBE CM800, and ISBE4 CM850, are designed for heavy-duty applications. The 3964687 air compressor is engineered to meet the demands of these engines, providing reliable air compression and contributing to the efficient operation of the engine’s systems.

ISF Series

• ISF3.8 CM2220 AN

The ISF3.8 engine, with its specific model number ISF3.8 CM2220 AN, is another engine that benefits from the 3964687 air compressor. This compatibility ensures that the engine’s air systems function optimally, enhancing overall performance and reliability.

QSB Series

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

The QSB series engines, including the QSB4.5, QSB6.7, and QSB7 models, are designed for a range of applications from agricultural to industrial use. The 3964687 air compressor is compatible with these engines, ensuring that the air systems operate efficiently and reliably. This compatibility is crucial for maintaining the performance and longevity of these engines.

Conclusion

The Cummins Air Compressor part number 3964687 is a versatile component that fits a wide range of Cummins engines, including the ISB/ISD, ISB, ISBE, ISF, and QSB series. This compatibility ensures that the air systems of these engines operate smoothly, contributing to the overall performance and reliability of the engines. The 3964687 Air Compressor is an essential component in various engine systems, facilitating the delivery of pressurized air necessary for optimal engine performance. When integrated into an engine system, this air compressor works in tandem with other components to ensure efficient operation.