4987918
Refrigerant Compressor
Cummins®

Introduction

The Refrigerant Compressor 4987918 by Cummins is a specialized component designed for use in commercial truck refrigeration systems. Its purpose is to facilitate the cooling process within refrigerated compartments, ensuring that perishable goods are transported at optimal temperatures. The significance of this compressor lies in its ability to maintain consistent cooling, which is vital for preserving the quality and safety of transported goods ¹.

Basic Concepts of Refrigerant Compressors

Refrigerant compressors are integral to the refrigeration cycle, responsible for compressing refrigerant gas and increasing its pressure and temperature. This process is fundamental to the refrigeration system’s ability to remove heat from the refrigerated space and expel it to the outside environment. There are several types of compressors, including reciprocating, rotary, scroll, and screw compressors, each with unique operational characteristics ². The compressor’s function is to circulate refrigerant through the system, interacting with components such as condensers, evaporators, and expansion valves to achieve the desired cooling effect.

Purpose of the 4987918 Refrigerant Compressor

The 4987918 Refrigerant Compressor by Cummins is specifically engineered to play a key role in the operation of commercial trucks equipped with refrigeration units. It ensures that the temperature within the refrigerated compartment remains consistent, which is crucial for the safe transport of perishable items. By maintaining the required temperature, this compressor helps in preserving the quality and extending the shelf life of goods during transit ³.

Key Features

The 4987918 Refrigerant Compressor boasts several notable features. Its design incorporates advanced technology to enhance performance and reliability. Constructed from high-quality materials, it is built to withstand the rigors of commercial use. Efficiency ratings indicate its capability to operate with minimal energy consumption, contributing to lower operational costs. Additionally, unique technological advancements within the unit aim to improve cooling efficiency and durability.

Benefits

Operators of commercial fleets can reap several advantages from utilizing the 4987918 Refrigerant Compressor. These include enhanced cooling performance, which ensures that goods are kept at the optimal temperature throughout the journey. Energy efficiency is another benefit, as the compressor is designed to consume less power while maintaining effective cooling. Reliability is a key feature, with the compressor built to offer consistent performance over time. Potential cost savings for fleet operators are also a significant advantage, stemming from reduced energy consumption and lower maintenance requirements.

Installation and Integration

When installing the 4987918 Refrigerant Compressor in commercial trucks, it is important to consider compatibility with existing refrigeration systems. Proper integration may require specific modifications to ensure seamless operation. Guidelines for installation should be followed to avoid complications and ensure the compressor functions as intended within the refrigeration system.

Operation and Performance

The 4987918 Refrigerant Compressor operates by compressing refrigerant gas, which then travels through the system to the condenser where it releases heat. The refrigerant then moves to the evaporator, where it absorbs heat from the refrigerated compartment, cooling the space. This compressor works in conjunction with other components to maintain the desired temperature, ensuring efficient and reliable refrigeration.

Maintenance and Troubleshooting

To ensure optimal performance and longevity of the 4987918 Refrigerant Compressor, routine maintenance is recommended. This includes regular checks for leaks, cleaning of components, and ensuring all connections are secure. Troubleshooting common issues may involve checking for refrigerant levels, inspecting electrical connections, and verifying the operation of related components such as condensers and evaporators.

Environmental Impact and Efficiency

The use of refrigerant compressors, including the 4987918 model, has environmental considerations. The type of refrigerant used can impact emissions and environmental footprint. Efforts to improve energy efficiency and reduce the use of harmful refrigerants are ongoing within the industry. Manufacturers like Cummins are committed to developing products that minimize environmental impact while maintaining high performance.

Cummins Corporation Overview

Cummins Corporation, a leader in the commercial vehicle industry, has a rich history of innovation and quality product offerings. Known for its engines, filtration, and power generation products, Cummins has established a strong reputation for reliability and performance. The development and manufacturing of the 4987918 Refrigerant Compressor are part of Cummins’ commitment to providing solutions that meet the demanding needs of commercial transportation.

Compatibility of Cummins Refrigerant Compressor 4987918

The Cummins Refrigerant Compressor part number 4987918 is designed to fit seamlessly with a range of Cummins engines, ensuring optimal performance and reliability. This compressor is engineered to meet the stringent demands of various engine models, providing efficient cooling and maintaining the necessary environmental conditions for peak engine operation.

B6.7 Series Engines

The B6.7 series engines, including the B6.7 CM2350 B135B and B6.7 CM2670 B153B, are well-suited for the 4987918 refrigerant compressor. These engines are known for their robust design and high performance, making them ideal for heavy-duty applications. The compressor’s compatibility with these models ensures that the cooling system operates efficiently, contributing to the longevity and reliability of the engine.

ISBE Series Engines

The ISBE series engines, such as the ISBE CM2150 and ISBE4 CM850, also benefit from the use of the 4987918 refrigerant compressor. These engines are designed for versatility and efficiency, making them suitable for a wide range of applications, from construction to transportation. The compressor’s integration with these models ensures that the cooling system performs optimally, maintaining the engine’s efficiency and reducing the risk of overheating.

Grouping by Application

When considering the compatibility of the 4987918 refrigerant compressor, it is useful to group the engines by their typical applications. The B6.7 series engines are often found in heavy-duty trucks and industrial machinery, where robust performance and reliability are paramount. The ISBE series engines, on the other hand, are commonly used in a variety of applications, including construction equipment and agricultural machinery, where versatility and efficiency are key.

By understanding the specific needs of each engine series and their typical applications, users can ensure that the 4987918 refrigerant compressor is the right choice for maintaining the cooling system’s efficiency and reliability.

Role of Refrigerant Compressor (Part 4987918) in Engine Systems

The refrigerant compressor, identified by part number 4987918, is an integral component within engine systems, particularly those that incorporate air conditioning or refrigeration units. Its primary function is to compress the refrigerant gas, increasing its pressure and temperature. This process is essential for the efficient transfer of heat, which is a fundamental aspect of cooling systems.

When the refrigerant compressor engages, it draws in low-pressure, low-temperature refrigerant gas from the evaporator. As the gas is compressed, it becomes high-pressure, high-temperature gas. This hot gas then moves to the condenser, where it releases heat to the surrounding environment and condenses into a high-pressure liquid.

The high-pressure liquid refrigerant then passes through an expansion valve, where its pressure drops significantly, causing it to turn back into a low-pressure, low-temperature gas. This cool gas returns to the evaporator, where it absorbs heat from the engine compartment or passenger cabin, effectively cooling the area.

The refrigerant compressor works in harmony with other components such as the condenser, evaporator, and expansion valve to maintain a continuous cycle of heat absorption and release. This cycle ensures that the engine system remains at an optimal temperature, enhancing performance and reliability.

Conclusion

In summary, the refrigerant compressor (part 4987918) plays a significant role in managing the thermal environment within engine systems, ensuring that both the engine and the cabin remain cool under various operating conditions. Its advanced features, compatibility with various Cummins engines, and the benefits it offers to commercial fleet operators make it a valuable component in the refrigeration and air conditioning systems of commercial vehicles.