4945947
AIR COMPRESSOR
Cummins®

The Cummins 4945947 Air Compressor is a specialized component designed for use in commercial trucks. It plays a crucial role in ensuring the efficient operation of various truck systems, particularly those reliant on compressed air. Its significance in commercial truck operations lies in its ability to provide the necessary air pressure for critical functions such as braking, suspension, and other pneumatic controls.

Basic Concepts of Air Compressors

An air compressor is a device that converts power into potential energy stored in pressurized air. By compressing air, the compressor increases its pressure, which can then be used to perform work. In the context of a commercial truck, the air compressor is essential for generating the compressed air required for various systems. This includes the brake system, where compressed air is used to actuate the brakes, and the suspension system, where it helps maintain vehicle stability and comfort.

Purpose of the Cummins 4945947 Air Compressor

The Cummins 4945947 Air Compressor is specifically designed to meet the demanding requirements of commercial truck operations. It provides the compressed air necessary for the truck’s brake systems, ensuring reliable and efficient braking performance. Additionally, it supports the truck’s suspension systems, contributing to a smoother ride and better handling. The compressor also plays a role in operating other pneumatic controls within the truck, enhancing overall functionality and safety.

Key Features

The Cummins 4945947 Air Compressor boasts several key features that set it apart. Its design is robust, ensuring durability under the demanding conditions of commercial truck use. The build quality is high, with precision engineering to ensure reliable performance. Efficiency is a notable feature, as the compressor is designed to minimize energy consumption while maximizing air output. Additionally, it incorporates unique technological advancements that enhance its performance and longevity.

Benefits

The benefits of the Cummins 4945947 Air Compressor include improved performance and reliability. Its efficient design contributes to better fuel economy, as less power is required to operate the compressor ¹. The compressor’s durability ensures a longer service life compared to other models, reducing the need for frequent replacements. These factors combine to offer truck operators a more cost-effective and dependable solution for their compressed air needs.

Installation and Integration

When installing the Cummins 4945947 Air Compressor, it is important to consider compatibility with the truck’s existing systems. Proper integration ensures that the compressor functions efficiently and effectively within the truck’s overall system. Guidelines for installation should be followed to ensure a seamless fit and operation, taking into account the specific requirements of the truck model and its systems.

Maintenance and Troubleshooting

Maintaining the Cummins 4945947 Air Compressor involves regular checks and lubrication to ensure optimal performance. Operators should be familiar with common troubleshooting tips to address potential issues promptly. This includes monitoring for signs of wear, ensuring proper lubrication, and addressing any unusual noises or performance issues that may arise.

Performance and Efficiency

The performance and efficiency of the Cummins 4945947 Air Compressor are notable when compared to other air compressors. Its design allows for a high output of compressed air with minimal energy consumption, making it an effective choice for commercial truck applications. The compressor’s efficiency contributes to overall truck performance, reducing the strain on the engine and improving fuel economy ¹.

Safety Considerations

Operating and maintaining the Cummins 4945947 Air Compressor requires adherence to safety guidelines. Proper handling and usage are crucial to prevent accidents and ensure the compressor functions correctly. Emergency procedures should be in place to address any unexpected issues, ensuring the safety of the operator and the integrity of the truck’s systems.

Environmental Impact

The environmental impact of using the Cummins 4945947 Air Compressor is considered in its design. Its energy efficiency reduces the overall fuel consumption of the truck, leading to lower emissions ². Additionally, the compressor’s durable construction minimizes the need for frequent replacements, contributing to a reduction in waste.

Cummins Corporation

Cummins Corporation is a renowned manufacturer with a long-standing reputation in the industry for innovation and quality. The company’s commitment to manufacturing high-quality air compressors and other automotive components is evident in the design and performance of the Cummins 4945947 Air Compressor. Cummins’ history of excellence and dedication to advancing technology ensures that their products meet the rigorous demands of commercial truck operations.

Cummins Engine Air Compressor Compatibility

The Cummins air compressor part number 4945947 is designed to fit a variety of Cummins engines, ensuring reliable and efficient operation across different engine models. Here’s a detailed look at the compatibility of this air compressor with various Cummins engines:

ISC Series Engines

• ISC CM2150
• ISC CM850
• ISC8.3 CM2250

The Cummins air compressor part number 4945947 is compatible with the ISC series engines, including the ISC CM2150, ISC CM850, and ISC8.3 CM2250. These engines are known for their robust performance and are widely used in various applications.

ISL Series Engines

• ISL CM2150
• ISL G CM2180
• ISL9 CM2150 SN
• ISL9 CM2250
• ISL9.5 CM2880 L138

The air compressor part number 4945947 fits seamlessly with the ISL series engines, which include the ISL CM2150, ISL G CM2180, ISL9 CM2150 SN, ISL9 CM2250, and ISL9.5 CM2880 L138. These engines are recognized for their high power output and efficiency, making them suitable for heavy-duty applications.

L Series Engines

• L GAS PLUS CM556
• L8.9G CMOH2.0 L125B

The air compressor part number 4945947 is also compatible with the L series engines, specifically the L GAS PLUS CM556 and L8.9G CMOH2.0 L125B. These engines are designed for lighter-duty applications but still offer reliable performance.

QSC and QSL Series Engines

• QSC8.3 CM850 (CM2850)
• QSL8.9 CM2150 L141
• QSL9 CM850 (CM2850)

The air compressor part number 4945947 is suitable for the QSC and QSL series engines, including the QSC8.3 CM850 (CM2850), QSL8.9 CM2150 L141, and QSL9 CM850 (CM2850). These engines are engineered for specific applications, providing the necessary power and efficiency for their intended use.

By ensuring compatibility with a wide range of Cummins engines, the air compressor part number 4945947 offers flexibility and reliability for various applications, enhancing the overall performance and efficiency of the engines it supports.

Role of Part 4945947 Air Compressor in Engine Systems

The air compressor, specifically part 4945947, is integral to the operation of various engine systems. It is responsible for compressing the intake air, which is then fed into the combustion chamber. This compressed air mixes with fuel to create a more efficient and powerful combustion process.

In turbocharged and supercharged engines, the air compressor works in conjunction with the turbocharger or supercharger to increase the volume of air entering the engine. This results in a denser air-fuel mixture, enhancing engine performance and power output.

Additionally, the compressed air from the air compressor is utilized in pneumatic systems within the engine. These systems may include brake systems, suspension systems, and various control mechanisms that rely on pressurized air to function effectively.

The air compressor also plays a role in the engine’s cooling system. By providing a steady supply of compressed air, it assists in maintaining optimal engine temperatures, thereby preventing overheating and ensuring consistent performance.

Furthermore, in engines equipped with intercoolers, the air compressor contributes to the cooling process by supplying compressed air that is then cooled before entering the combustion chamber. This results in improved engine efficiency and reduced thermal stress on engine components.

Overall, the air compressor, part 4945947, is a fundamental component that enhances the functionality and performance of multiple engine systems.

Conclusion

The Cummins 4945947 Air Compressor is a vital component in commercial truck operations, providing the necessary compressed air for critical systems such as braking, suspension, and pneumatic controls. Its robust design, high efficiency, and compatibility with various Cummins engines make it a reliable and cost-effective solution for truck operators. Proper installation, maintenance, and adherence to safety guidelines ensure optimal performance and longevity of this essential part.