4981725
Refrigerant Compressor
Cummins®

The Refrigerant Compressor 4981725 by Cummins is a specialized component designed for use in commercial truck refrigeration systems. Its purpose is to facilitate the refrigeration cycle, ensuring that the cargo area within a refrigerated truck remains at the desired temperature. This compressor is integral to the safe and efficient transport of perishable goods, playing a significant role in maintaining the quality and safety of the cargo during transit.

Basic Concepts of Refrigerant Compressors

Refrigerant compressors operate on the principles of the refrigeration cycle, which involves the compression and expansion of refrigerant gases to transfer heat from one location to another ¹. There are several types of compressors, including reciprocating, rotary, scroll, and screw compressors, each with its own mechanism for compressing refrigerant. In truck refrigeration units, these compressors are crucial for maintaining the low temperatures required to preserve perishable goods.

Purpose and Role in Truck Operation

The Refrigerant Compressor 4981725 is designed to maintain the desired temperature within a truck’s refrigerated cargo area. By compressing refrigerant gas and circulating it through the system, this compressor helps to remove heat from the cargo area, ensuring that perishable goods remain at a safe temperature throughout the journey. This is particularly important for goods that require specific temperature conditions to prevent spoilage or degradation.

Key Features

The Refrigerant Compressor 4981725 boasts several key features that enhance its performance and reliability. Its design incorporates advanced technology to improve efficiency and durability. Constructed from high-quality materials, this compressor is built to withstand the rigors of commercial truck operation. Additionally, it features efficiency ratings that reflect its ability to perform effectively while minimizing energy consumption.

Benefits

The advantages of using the Refrigerant Compressor 4981725 include improved cooling performance, which ensures that the cargo area remains at the optimal temperature. Its energy efficiency contributes to lower operating costs for fleet operators, making it a cost-effective solution for truck refrigeration ². Furthermore, the reliability of this compressor reduces the likelihood of downtime, enhancing the overall efficiency of the transportation process.

Installation and Integration

When installing the Refrigerant Compressor 4981725, it is important to consider its compatibility with various truck models and refrigeration units. Proper integration into the truck’s refrigeration system is crucial for ensuring optimal performance. Guidelines for installation should be followed to ensure that the compressor is securely and correctly fitted within the system ³.

Troubleshooting and Maintenance

Common issues that may arise with the Refrigerant Compressor 4981725 include refrigerant leaks, compressor overheating, and electrical faults. Diagnostic procedures should be employed to identify and address these issues promptly. Regular maintenance practices, such as checking refrigerant levels, inspecting electrical connections, and cleaning the compressor, are recommended to ensure optimal performance and longevity.

Environmental Impact and Efficiency

The use of the Refrigerant Compressor 4981725 has implications for the environmental impact of truck refrigeration systems. Its energy consumption and the type of refrigerant used play a role in determining its ecological footprint. Efforts to minimize this impact include the use of energy-efficient technologies and environmentally friendly refrigerants, contributing to more sustainable truck refrigeration practices ⁴.

Cummins 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, industrial, and transportation markets. The company’s commitment to advancing technology and improving efficiency is evident in its diverse product portfolio, which includes the Refrigerant Compressor 4981725 designed for commercial truck refrigeration systems.

Cummins Refrigerant Compressor 4981725 Compatibility

The Cummins Refrigerant Compressor part number 4981725 is designed to fit seamlessly with a variety of Cummins engines, ensuring optimal performance and reliability. Here’s how this part integrates with the specified engines:

F3.8 Series Engines

• F3.8 CM2350 F120B
• F3.8 CM2350 F128C
• QSF3.8 CM2350 F107

These engines benefit from the 4981725 refrigerant compressor, which is engineered to provide efficient cooling and maintain the ideal operating temperature, crucial for the longevity and performance of the F3.8 series engines.

F3.8 and F4.5 Series Engines

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

The 4981725 part is compatible with both F3.8 and F4.5 series engines, ensuring that the refrigerant compressor works effectively across different engine configurations. This compatibility is vital for maintaining the cooling system’s efficiency and preventing overheating.

ISF3.8 and ISF4.5 Series Engines

• ISF3.8 CM2220 AN
• ISF3.8 CM2350 F109
• ISF4.5 CM2220 F123

The 4981725 refrigerant compressor is also suitable for the ISF3.8 and ISF4.5 series engines. This part ensures that the cooling system operates efficiently, which is essential for the performance and durability of these engines.

QSF3.8 Series Engines

• QSF3.8 CM2350 F107
• QSF3.8 CM2880 F112

For the QSF3.8 series engines, the 4981725 refrigerant compressor is designed to integrate smoothly, providing the necessary cooling to maintain engine performance and reliability. This compatibility is crucial for the overall efficiency of the cooling system in these engines.

Role of Refrigerant Compressor in Engine Systems

In engine systems, the refrigerant compressor, specifically part 4981725, is integral to the refrigeration cycle. It operates by compressing the refrigerant gas, increasing its pressure and temperature. This high-pressure, high-temperature gas then moves to the condenser, where it releases heat and condenses into a liquid.

The liquid refrigerant travels through the expansion valve, where its pressure drops, causing it to cool significantly. This cool, low-pressure liquid then enters the evaporator, absorbing heat from the engine components it is designed to cool.

The refrigerant compressor ensures efficient heat transfer and maintains optimal operating temperatures within the engine system. Its seamless integration with the condenser, expansion valve, and evaporator is essential for the effective functioning of the refrigeration cycle in engine systems.

Conclusion

The Refrigerant Compressor 4981725 by Cummins is a critical component in commercial truck refrigeration systems, ensuring the safe and efficient transport of perishable goods. Its advanced features, compatibility with various Cummins engines, and role in maintaining optimal operating temperatures highlight its importance in the refrigeration cycle. Regular maintenance and proper installation are key to maximizing its performance and longevity.