4964074
2 Cylinder Air Compressor
Cummins®

Introduction

The Cummins 4964074 2-Cylinder Air Compressor is a critical component in commercial truck operations, designed to generate and supply compressed air for various systems within the vehicle. Its role is essential in ensuring the efficient functioning of air-dependent systems, particularly in the context of heavy-duty trucks where reliability and performance are paramount ².

Basic Concepts of 2-Cylinder Air Compressors

A 2-cylinder air compressor operates on the principle of converting mechanical energy into pneumatic energy. It does this by using two cylinders to compress air, which is then stored in a reservoir. This compressed air serves multiple functions in commercial trucks, including powering the braking system, operating pneumatic tools, and supporting other air-dependent systems. The efficiency and reliability of these compressors are crucial for the seamless operation of these systems ¹.

Operational Role in Trucks

The Cummins 4964074 2-Cylinder Air Compressor integrates with the truck’s braking system, providing the necessary air pressure for effective braking. It also supports the operation of pneumatic tools and other air-dependent systems, ensuring that these functions are performed efficiently and reliably. The compressor’s role in maintaining the required air pressure is fundamental to the safe and effective operation of the truck ².

Key Features

The Cummins 4964074 2-Cylinder Air Compressor is characterized by its robust design and construction, utilizing high-quality materials to ensure durability and reliability. It incorporates technological advancements that enhance its performance and efficiency, making it a suitable choice for demanding commercial truck applications ².

Benefits

The advantages of the Cummins 4964074 2-Cylinder Air Compressor include enhanced efficiency, reliability, and performance. Its design and construction contribute to a longer service life and reduced maintenance requirements, offering significant benefits for truck operators in terms of cost-effectiveness and operational reliability ².

Installation Process

Installing the Cummins 4964074 2-Cylinder Air Compressor involves several steps, including preparing the installation site, connecting the compressor to the truck’s air system, and ensuring all connections are secure. It is recommended to follow the manufacturer’s guidelines to ensure a proper and safe installation ².

Maintenance Tips

To ensure the longevity and optimal performance of the Cummins 4964074 2-Cylinder Air Compressor, regular maintenance is essential. This includes checking for leaks, ensuring all connections are secure, and servicing the compressor according to the recommended intervals. Adhering to these practices helps maintain the compressor’s efficiency and reliability ².

Troubleshooting Common Issues

Common issues with the Cummins 4964074 2-Cylinder Air Compressor may include insufficient air pressure, unusual noises, or leaks. Troubleshooting these issues involves identifying the source of the problem, whether it be a faulty component, a leak in the system, or another issue, and taking the appropriate steps to address it ².

Performance Metrics

The performance of the Cummins 4964074 2-Cylinder Air Compressor is measured by several metrics, including airflow capacity, pressure ratings, and efficiency measurements. These metrics provide insight into the compressor’s ability to meet the demands of commercial truck operations, ensuring it contributes to the overall performance and reliability of the vehicle ².

Safety Considerations

When working with the Cummins 4964074 2-Cylinder Air Compressor, it is important to observe safety protocols. This includes handling compressed air with care, following proper maintenance procedures, and ensuring that all work is performed in a safe environment. Adhering to these safety considerations helps prevent accidents and ensures the safe operation of the compressor ².

Environmental Impact

The use of the Cummins 4964074 2-Cylinder Air Compressor has environmental considerations, including energy consumption and emissions. While the compressor is designed for efficiency, its operation contributes to the overall environmental impact of commercial truck operations. Efforts to minimize this impact include optimizing the compressor’s performance and efficiency ².

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a commitment to innovation and quality, Cummins serves commercial, industrial, and transportation markets worldwide, providing reliable and efficient solutions for a wide range of applications ².

Compatibility with Cummins Engines

The Cummins 2-Cylinder Air Compressor part number 4964074 is designed to integrate seamlessly with several Cummins engine models. This air compressor is engineered to provide reliable and efficient air supply, crucial for the operation of various engine systems.

QSK19 and CM850 Engines

The QSK19 and CM850 engines are part of Cummins’ medium-duty diesel engine lineup, known for their robust performance and reliability. The 4964074 air compressor fits these engines by aligning with their specific air system requirements. This compatibility ensures that the air compressor can effectively support the engine’s operational needs, maintaining optimal performance and efficiency ².

MCRS Engines

The MCRS engines, which are part of Cummins’ marine engine series, also benefit from the 4964074 air compressor. This compressor is designed to meet the stringent demands of marine environments, providing a dependable air supply that is essential for the smooth operation of marine-specific systems. The integration of this air compressor with MCRS engines ensures that these engines can perform reliably in challenging marine conditions ².

Grouping of Engines

The QSK19 and CM850 engines, while distinct in their applications, share common design principles and system requirements that make the 4964074 air compressor a suitable fit. Similarly, the MCRS engines, with their focus on marine applications, also align well with the specifications of this air compressor. This grouping highlights the versatility and broad applicability of the 4964074 air compressor across different engine types and environments ².

Role of Part 4964074 2-Cylinder Air Compressor in Engine Systems

The part 4964074 2-Cylinder Air Compressor is a critical component in various engine systems, providing the necessary pressurized air for efficient operation. When integrated into an engine system, this air compressor works in conjunction with several other components to ensure optimal performance.

Integration with Engine Components

1. Fuel Injection System: The pressurized air supplied by the 4964074 compressor enhances the fuel-air mixture, leading to more efficient combustion. This results in improved engine performance and reduced emissions ².

2. Turbocharger: In turbocharged engines, the air compressor can work alongside the turbocharger to provide additional boost. This synergy allows for increased airflow into the engine, enhancing power output without significantly increasing fuel consumption ².

3. Intercooler: The compressed air from the 4964074 unit can be routed through an intercooler to reduce its temperature before entering the engine. Cooler air is denser, allowing for better combustion efficiency and power generation ².

4. Air Filter: The compressor draws air through the air filter, ensuring that the intake air is clean and free from contaminants. This protects the engine from wear and tear caused by particulate matter ².

5. Intake Manifold: The pressurized air is delivered to the intake manifold, where it mixes with the fuel before entering the combustion chambers. This ensures a consistent and efficient air-fuel ratio across all cylinders ².

6. Exhaust System: Efficient combustion facilitated by the compressed air results in cleaner exhaust emissions. The reduced load on the exhaust system also contributes to its longevity and performance ².

7. Engine Control Unit (ECU): The ECU monitors the air pressure and adjusts the fuel injection timing and quantity accordingly. This real-time adjustment ensures that the engine operates within its optimal parameters ².

By providing a steady supply of pressurized air, the 4964074 2-Cylinder Air Compressor plays a significant role in enhancing the overall efficiency and performance of the engine system. Its integration with other components ensures that the engine operates smoothly, with improved power output and reduced emissions ².

Conclusion

The Cummins 4964074 2-Cylinder Air Compressor is a vital component in commercial truck operations, ensuring the efficient functioning of air-dependent systems. Its robust design, compatibility with various Cummins engines, and integration with engine components highlight its importance in enhancing engine performance and reliability. Regular maintenance and adherence to safety protocols are essential for maximizing its benefits and ensuring safe operation.