4936049
AIR COMPRESSOR
Cummins®

The Cummins 4936049 Air Compressor is a component designed for use in commercial trucks. It serves a significant role in the operation of these vehicles by providing the necessary air pressure for various systems. Understanding its function and importance is key to maintaining the efficiency and reliability of truck operations.

Basic Concepts of Air Compressors

An air compressor is a device that converts power into potential energy stored in pressurized air. It operates by drawing in air, compressing it, and then releasing it at a higher pressure. In the context of a truck’s pneumatic system, the air compressor plays a vital role in generating the air pressure required for systems such as brakes, suspension, and auxiliary equipment. There are various types of air compressors, including reciprocating, rotary screw, and centrifugal, each with its own set of applications and efficiencies in heavy-duty trucks ¹.

Purpose of the 4936049 Air Compressor

This Cummins part is integral to the operation of a truck. It is responsible for generating and maintaining the air pressure needed for the truck’s braking system, suspension, and any auxiliary equipment that relies on pneumatic power. This compressor ensures that these systems function correctly under various operating conditions.

Key Features

The 4936049 is characterized by its robust design and construction, utilizing high-quality materials to ensure durability and performance. It features a compact design that allows for efficient integration into the truck’s system, and its construction materials are chosen for their ability to withstand the rigors of commercial truck operation.

Benefits

Using this Cummins part offers several benefits, including improved efficiency, reliability, and performance. These advantages contribute to the overall operation and maintenance of commercial trucks by ensuring that the pneumatic systems operate smoothly and efficiently.

Installation and Integration

When installing this part, it is important to consider compatibility with different truck models and the integration with existing pneumatic systems. Proper installation ensures that the compressor operates efficiently and effectively within the truck’s system.

Maintenance and Troubleshooting

Maintaining the 4936049 is crucial for ensuring optimal performance and longevity. Regular maintenance practices, such as checking for leaks, monitoring air pressure, and following recommended maintenance schedules, can help prevent common issues and ensure the compressor operates efficiently ².

Performance and Efficiency

The performance and efficiency of this part are notable, with a focus on providing consistent air pressure output and reliability. Its impact on fuel consumption and overall system reliability makes it a valuable component in the operation of commercial trucks.

Safety Considerations

Operating and maintaining this Cummins part requires adherence to safety protocols. Proper handling, understanding potential hazards, and following safety guidelines are important to ensure the safe operation of the compressor and the truck’s pneumatic systems ³.

Environmental Impact

The environmental impact of this part includes considerations of its energy consumption and emissions. Efforts to minimize its environmental footprint, through efficient design and operation, are part of broader initiatives to reduce the ecological impact of commercial vehicle operations.

Cummins Overview

Cummins Inc. is a leader in the design, manufacture, and distribution of engines, filtration, and power generation products. With a commitment to innovation and quality, Cummins serves the automotive and commercial vehicle industries, providing reliable and efficient solutions for a wide range of applications.

Cummins Air Compressor Part 4936049 Compatibility

The Cummins Air Compressor part number 4936049 is designed to fit a variety of Cummins engines, ensuring reliable and efficient performance across different engine models. Here is a detailed overview of the engines with which this air compressor is compatible:

B Series Engines

• B4.5 CM2350 B135B
• B6.7 CM2350 B135B
• B6.7 CM2670 B153B

These B series engines benefit from the air compressor’s robust design, which provides the necessary air pressure for optimal engine performance. The part number 4936049 is engineered to integrate seamlessly with these models, ensuring compatibility and reliability.

F Series Engines

• F3.8 CM2620 F137B
• F4.5 CM2620 F139B

The F series engines, including the F3.8 and F4.5 models, are also compatible with the Cummins Air Compressor part number 4936049. This compatibility ensures that these engines receive the correct air pressure, enhancing their operational efficiency and longevity.

ISB/ISD Series Engines

• ISB/ISD4.5 CM2150 B119
• ISB/ISD6.7 CM2150 SN
• ISB4.5 CM2350 B104

The ISB/ISD series engines, including the ISB4.5 models, are designed to work with the air compressor part number 4936049. This compatibility is crucial for maintaining the air pressure required for these engines to function correctly, ensuring they operate at peak efficiency.

ISBE Series Engines

• ISBE CM2150
• ISBE CM800
• ISBE4 CM850

The ISBE series engines, such as the ISBE CM2150, ISBE CM800, and ISBE4 CM850, are also compatible with the Cummins Air Compressor part number 4936049. This compatibility ensures that these engines receive the necessary air pressure, contributing to their overall performance and reliability.

ISF Series Engines

• ISF4.5 CM2220 F123

The ISF4.5 CM2220 F123 engine is another model that is compatible with the Cummins Air Compressor part number 4936049. This compatibility is essential for maintaining the air pressure required for the engine to function correctly, ensuring it operates efficiently.

QSB Series Engines

• QSB7 CM2880 B117

The QSB7 CM2880 B117 engine is also compatible with the Cummins Air Compressor part number 4936049. This compatibility ensures that the engine receives the necessary air pressure, contributing to its overall performance and reliability.

Role of Part 4936049 Air Compressor in Engine Systems

The 4936049 Air Compressor is an essential component in various engine systems, facilitating the efficient operation of several key elements. Its primary function is to supply compressed air, which is integral to the performance and reliability of the engine.

Fuel Injection Systems

In fuel injection systems, the 4936049 Air Compressor ensures a consistent and pressurized air supply. This compressed air mixes with fuel in the injectors, enhancing combustion efficiency. The result is improved fuel economy and reduced emissions, as the air-fuel mixture burns more completely.

Turbocharger Systems

When integrated with turbocharger systems, the 4936049 Air Compressor plays a supportive role. It provides additional air pressure to the intake system, which complements the turbocharger’s function. This synergy allows for greater air density in the combustion chamber, leading to increased power output and better overall engine performance.

Brake Systems

In brake systems that utilize air compressors, the 4936049 Air Compressor is responsible for maintaining the necessary air pressure in the brake lines. This ensures that the brakes respond promptly and effectively, enhancing safety and control during operation.

Pneumatic Tools and Accessories

For engines equipped with pneumatic tools and accessories, the 4936049 Air Compressor is the backbone of their operation. It supplies the required air pressure to power drills, grinders, and other tools, ensuring that these accessories function smoothly and efficiently.

Cabin Pressurization Systems

In engines with cabin pressurization systems, the 4936049 Air Compressor helps maintain a comfortable and safe environment for occupants. By supplying compressed air to the cabin, it ensures that the pressure remains consistent, even at high altitudes or under varying load conditions.

Emission Control Systems

The 4936049 Air Compressor also contributes to emission control systems by providing the necessary air pressure for components like the Exhaust Gas Recirculation (EGR) system. This helps in reducing harmful emissions by recirculating a portion of the exhaust gases back into the intake manifold, where they are diluted and burned again.

Conclusion

In summary, the 4936049 Air Compressor is a versatile and indispensable component that enhances the functionality and efficiency of various engine systems. Its role in supplying compressed air is fundamental to the optimal performance of fuel injection, turbocharger, brake, pneumatic tools, cabin pressurization, and emission control systems.