4947027
AIR COMPRESSOR
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$2,999.95 $3,569.94

Oversize Item

This is an oversize product. Additional shipping fees may apply.

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

Introduction

The Cummins 4947027 Air Compressor is a component designed for use in commercial trucks. It serves to generate compressed air, which is utilized in various truck systems. This compressor is significant in ensuring the efficient operation of pneumatic systems in commercial vehicles.

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 then releasing it at a higher pressure. In various industries, air compressors are used for powering tools, operating machinery, and supporting pneumatic systems. In the context of commercial trucks, air compressors are vital for the operation of brakes, suspension systems, and other pneumatic components 1.

Role of the 4947027 Air Compressor in Truck Operation

The 4947027 Air Compressor plays a role in the truck’s operation by providing the necessary compressed air for the pneumatic systems. It contributes to the functionality of the brakes by ensuring that there is sufficient air pressure for effective braking. Additionally, it supports the suspension system, allowing for adjustments that enhance ride comfort and vehicle stability. The compressor also powers other pneumatic accessories that may be present in the truck.

Key Features of the 4947027 Air Compressor

The 4947027 Air Compressor is characterized by its robust build quality and efficient design. It incorporates advanced engineering to ensure reliable performance under demanding conditions. Unique characteristics of this model include its durability, which is attributed to the use of high-quality materials and precise manufacturing processes.

Benefits of Using the 4947027 Air Compressor

Utilizing the 4947027 Air Compressor in truck operations can lead to improved efficiency and reliability. The compressor is designed to offer enhanced performance, ensuring that the pneumatic systems operate smoothly. This can result in better overall truck performance and reduced downtime due to compressor-related issues.

Troubleshooting and Maintenance Suggestions

Common issues that may arise with the 4947027 Air Compressor include leaks, unusual noises, and a drop in air pressure. Regular maintenance practices, such as checking for leaks, ensuring proper lubrication, and monitoring air pressure levels, can help maintain the compressor’s performance and longevity. It is also advisable to follow the manufacturer’s guidelines for servicing and repairs.

Integration with Truck Systems

The 4947027 Air Compressor integrates with various truck systems, including the brake system and suspension system. It provides the compressed air necessary for these systems to function correctly. The compressor is designed to work seamlessly with other pneumatic components, ensuring that the truck operates efficiently.

Performance Under Various Conditions

The performance of the 4947027 Air Compressor can vary under different operating conditions. Factors such as temperature, altitude, and load conditions can affect its efficiency. The compressor is engineered to maintain performance across a range of conditions, though extreme environments may require additional considerations or adjustments.

Safety Considerations

The 4947027 Air Compressor incorporates safety features designed to ensure safe operation. These may include pressure relief valves and safety switches that prevent the compressor from operating under unsafe conditions. Operational guidelines should be followed to ensure the safe use of the compressor and to protect the truck’s pneumatic systems.

Environmental Impact

The use of the 4947027 Air Compressor has environmental considerations, primarily related to energy consumption and emissions. The compressor’s efficiency can affect fuel consumption, and therefore, emissions. Efforts to maintain the compressor in optimal condition can help minimize its environmental impact.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions. The company has a history of innovation and quality in the commercial vehicle industry, offering a diverse product range that includes engines, filtration systems, and aftermarket parts. Cummins is committed to advancing technology and providing reliable solutions for its customers.

Compatibility of Cummins 4947027 Air Compressor

The Cummins 4947027 Air Compressor is designed to fit a variety of Cummins engines, ensuring optimal performance and reliability across different models. This air compressor is engineered to meet the specific needs of the following engine configurations:

B6.7 Series Engines

  • B6.7 CM2350 B135B
  • B6.7 G CMOH6.0 B125

These engines, part of the B6.7 series, benefit from the precise air compression provided by the 4947027 air compressor. This part is integral to maintaining the air systems in these engines, ensuring they operate efficiently and reliably.

ISB/ISD Series Engines

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

The ISB/ISD series engines, including the 4.5 and 6.7 liter variants, are compatible with the 4947027 air compressor. This part is essential for these engines, providing the necessary air pressure to support various functions, from starting the engine to powering auxiliary systems.

ISBE Series Engines

  • ISBE CM2150
  • ISBE4 CM850

The ISBE series engines, both the CM2150 and CM850 variants, are also designed to work seamlessly with the 4947027 air compressor. This compatibility ensures that these engines receive the appropriate air pressure, enhancing their overall performance and longevity.

By fitting these specific engines, the Cummins Air Compressor 4947027 ensures that the air systems within these engines are well-maintained, contributing to their efficiency and reliability.

Role of Part 4947027 Air Compressor in Engine Systems

The 4947027 Air Compressor is an integral component in various engine systems, providing the necessary pressurized air for multiple functions. Its primary role is to supply compressed air, which is essential for the operation of several engine components and systems.

Fuel Injection Systems

In modern fuel injection systems, the 4947027 Air Compressor ensures a steady supply of pressurized air. This air is mixed with fuel to create a fine mist, which enhances combustion efficiency. The compressor’s consistent output helps maintain optimal fuel-air ratios, leading to improved engine performance and reduced emissions 2.

Brake Systems

For vehicles equipped with air brake systems, the 4947027 Air Compressor is vital. It generates the compressed air required to operate the brake cylinders, ensuring reliable and responsive braking. The compressor maintains the necessary air pressure in the brake lines, which is crucial for safe and effective stopping power.

Suspension Systems

In air suspension systems, the 4947027 Air Compressor plays a key role by providing the air needed to adjust the ride height. This allows for a smoother and more comfortable driving experience, as well as the ability to lower or raise the vehicle for different driving conditions.

Pneumatic Tools

Many engine maintenance and repair tasks require the use of pneumatic tools. The 4947027 Air Compressor supplies the pressurized air needed to power these tools, such as drills, grinders, and impact wrenches. This ensures that maintenance work can be performed efficiently and with minimal downtime.

Cabin Pressurization

In certain applications, such as large trucks or buses, the 4947027 Air Compressor contributes to cabin pressurization. It provides the air needed for climate control systems, ensuring a comfortable environment for passengers and drivers alike.

Auxiliary Systems

Beyond its primary functions, the 4947027 Air Compressor supports various auxiliary systems within the engine. These can include air-operated valves, air-driven pumps, and other components that rely on a consistent supply of compressed air to function correctly.

The 4947027 Air Compressor’s reliable performance is essential for the smooth operation of these interconnected systems, highlighting its significance in maintaining overall engine efficiency and functionality.

Conclusion

The Cummins 4947027 Air Compressor is a critical component in the operation of commercial trucks, providing the necessary compressed air for various systems including brakes, suspension, and fuel injection. Its robust design, compatibility with multiple Cummins engine models, and role in enhancing engine performance and reliability make it a valuable asset in the commercial vehicle industry. Regular maintenance and adherence to safety guidelines are essential to ensure its optimal performance and longevity.


  1. Jon M. Quigley, SAE International’s Dictionary of Testing, Verification and Validation, SAE International, 2023.

  2. Konrad Reif Ed, Brakes Brake Control and Driver Assistance Systems Function Regulation and Components, Springer, 2014.

SPECIFICATIONS

Package Dimensions
51.0 x 35.0 x 37.0 in
Weight
22 lbs
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.