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.
We honor the warranty provided by the original equipment manufacturer.
Introduction
The 4938842 Refrigerant Compressor Unit, manufactured by Cummins, is a critical component in commercial truck refrigeration systems. Designed for the transportation of perishable goods, this unit ensures the maintenance of optimal temperatures, safeguarding the quality and safety of transported items 1.
Basic Concepts of Refrigerant Compressor Units
Refrigerant compressor units operate on the principles of the refrigeration cycle, which includes compression, condensation, expansion, and evaporation of refrigerant. The compressor increases the pressure of the refrigerant gas, raising its temperature. This high-pressure, high-temperature gas then moves to the condenser, where it releases heat and condenses into a liquid. The liquid refrigerant passes through an expansion valve, where its pressure and temperature drop, before entering the evaporator to absorb heat and complete the cycle 2.
Purpose of the 4938842 Refrigerant Compressor Unit
The 4938842 Refrigerant Compressor Unit is engineered to perform the compression phase within a truck’s refrigeration system. By compressing the refrigerant, it ensures effective heat absorption from the cargo area, maintaining desired temperatures for perishable goods. This unit enhances the efficiency of the refrigeration system, ensuring goods remain at safe temperatures throughout transport 3.
Key Features
This Cummins part incorporates advanced materials and technologies, improving durability and efficiency. Unique technological advancements ensure it meets the demanding requirements of commercial truck refrigeration systems 4.
Benefits
Utilizing the 4938842 Refrigerant Compressor Unit offers benefits such as lower energy consumption and consistent cooling performance. These factors enhance the overall effectiveness of the refrigeration system, providing better protection for transported goods.
Installation Considerations
Compatibility with the specific truck model and refrigeration system is crucial when installing this unit. Following Cummins’ guidelines ensures optimal performance and longevity.
Operational Efficiency
The 4938842 Refrigerant Compressor Unit enhances the operational efficiency of truck refrigeration systems through efficient energy consumption and effective cooling performance.
Troubleshooting and Maintenance
Regular maintenance and troubleshooting are recommended to ensure the longevity and optimal performance of this unit. Addressing common issues such as refrigerant leaks, compressor failures, or electrical problems promptly is essential.
Environmental Impact
This unit is designed with environmental considerations, complying with regulations and utilizing eco-friendly refrigerants to minimize environmental impact.
Cummins: A Brief Overview
Cummins is renowned for its commitment to innovation, quality, and customer satisfaction in the automotive and heavy-duty truck parts industry. The company leads in technological advancements and environmental responsibility.
Compatibility of 4938842 Refrigerant Compressor Unit
The 4938842 Refrigerant Compressor Unit is compatible with various Cummins engines, ensuring optimal performance and reliability. It is engineered to work with the following engine models:
ISL9 Series
- ISL9 CM2150 SN
- ISL9.5 CM2880 L138
L8.9 Series
- L8.9
- L8.9 CM2670 L134C
- L9 CM2670 L128B
QSC8.3 and QSL8.9 Series
- QSC8.3 CM2880 C102
- QSL8.9 CM2150 L141
QSL9 Series
- QSL9 CM850 (CM2850)
Role of 4938842 Refrigerant Compressor Unit in Engine Systems
The 4938842 Refrigerant Compressor Unit is integral to the efficient operation of engine systems, particularly in applications where cooling is essential. It works in conjunction with the compressor to manage the flow and pressure of refrigerant within the system, ensuring continuous cooling and stable operation of engine components under various conditions 5.
Conclusion
The 4938842 Refrigerant Compressor Unit by Cummins is a vital component in commercial truck refrigeration systems, ensuring the efficient and reliable operation of these systems. Its advanced features, compatibility with various Cummins engines, and commitment to environmental responsibility make it a preferred choice for maintaining the quality and safety of transported perishable goods.
-
Barton, D. C., & Fieldhouse, J. D. (2009). Automotive Chassis Engineering Powertrain Chassis System and Vehicle Body. Elsevier.
↩ -
ElSayed, M. (2017). Fundamentals of Integrated Vehicle Realization. SAE International.
↩ -
Wright, G. (2015). Fundamentals of Medium-Heavy Duty Diesel Engines. Jones & Bartlett Learning.
↩ -
Bonneau, D., Fatu, A., & Souchet, D. (2014). Internal Combustion Engine Bearings Lubrication in Hydrodynamic Bearings. Wiley-ISTE.
↩ -
Cummins Inc. (n.d.). Cummins Refrigerant Compressor Unit 4938842 Compatibility. Retrieved from Cummins official website.
↩
SPECIFICATIONS
RECOMMENDED PARTS
* 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.
; %7D .b %7B fill: none; stroke: %23fff; stroke-miterlimit: 10; stroke-width: 11px; %7D %3C/style%3E%3ClinearGradient id='a' x1='23.8' x2='129.71' y1='37.23' y2='139.74' gradientTransform='matrix(.29182 0 0 .29182 43.5 40.5)' gradientUnits='userSpaceOnUse'%3E%3Cstop stop-color='%23f36d2b' offset='0'/%3E%3Cstop stop-color='%23ee323a' offset='1'/%3E%3C/linearGradient%3E%3Cfilter id='b' x='0' y='0' width='257' height='257' filterUnits='userSpaceOnUse'%3E%3CfeOffset dy='3' input='SourceAlpha'/%3E%3CfeGaussianBlur result='c' stdDeviation='14.5'/%3E%3CfeFlood flood-opacity='.169'/%3E%3CfeComposite in='SourceGraphic' in2='result1'/%3E%3C/filter%3E%3C/defs%3E%3Cg transform='translate(-88,2)'%3E%3Cg class='c' transform='translate(46.5,-40.5)'%3E%3Ccircle class='a' cx='68.305' cy='65.305' r='24.805' style='fill:url(%23a);stroke-width:.29182'/%3E%3C/g%3E%3Cg transform='matrix(.29182 0 0 .29182 104.3 14.299)'%3E%3Ccircle class='b' cx='36' cy='36' r='36'/%3E%3Cpath class='b' transform='translate(-1993.9 -1555.3)' d='m2030 1572v22.852h18.516'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E%0A){kind=small}
; %7D .b %7B fill: none; stroke: %23fff; stroke-miterlimit: 10; stroke-width: 10px; %7D%0A%3C/style%3E%3ClinearGradient id='a' x1='23.8' x2='129.71' y1='37.23' y2='139.74' gradientTransform='matrix(.29182 0 0 .29182 43.5 40.5)' gradientUnits='userSpaceOnUse'%3E%3Cstop stop-color='%23f36d2b' offset='0'/%3E%3Cstop stop-color='%23ee323a' offset='1'/%3E%3C/linearGradient%3E%3Cfilter id='b' x='0' y='0' width='257' height='257' filterUnits='userSpaceOnUse'%3E%3CfeOffset dy='3' input='SourceAlpha'/%3E%3CfeGaussianBlur result='c' stdDeviation='14.5'/%3E%3CfeFlood flood-opacity='.169'/%3E%3CfeComposite in='SourceGraphic' in2='result1'/%3E%3C/filter%3E%3C/defs%3E%3Cg transform='translate(2,2)'%3E%3Cg class='c' transform='translate(-43.5,-40.5)'%3E%3Ccircle class='a' cx='68.305' cy='65.305' r='24.805' style='fill:url(%23a);stroke-width:.29182'/%3E%3C/g%3E%3Cg transform='matrix(.29182 0 0 .29182 15.648 15.86)'%3E%3Cpath class='b' transform='translate(-1735.3 -1357)' d='m1751 1384.5 10.419 10.419 20.453-20.452'/%3E%3Cpath class='b' transform='translate(-2778 -1743)' d='m2838.7 1743c0 41.7 7.358 46.734-30.046 69.422-37.405-22.688-30.047-27.726-30.047-69.422z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E){kind=small}
; %7D .b %7B fill: none; stroke: %23fff; stroke-miterlimit: 10; stroke-width: 11px; %7D %3C/style%3E%3ClinearGradient id='a' x1='23.8' x2='129.71' y1='37.23' y2='139.74' gradientTransform='matrix(.29182 0 0 .29182 43.5 40.5)' gradientUnits='userSpaceOnUse'%3E%3Cstop stop-color='%23f36d2b' offset='0'/%3E%3Cstop stop-color='%23ee323a' offset='1'/%3E%3C/linearGradient%3E%3Cfilter id='b' x='0' y='0' width='257' height='257' filterUnits='userSpaceOnUse'%3E%3CfeOffset dy='3' input='SourceAlpha'/%3E%3CfeGaussianBlur result='c' stdDeviation='14.5'/%3E%3CfeFlood flood-opacity='.169'/%3E%3CfeComposite in='SourceGraphic' in2='result1'/%3E%3C/filter%3E%3C/defs%3E%3Cg transform='translate(-1137 -1)'%3E%3C/g%3E%3Cg%3E%3Cellipse class='a' transform='translate(-41.5 -38.5)' cx='68.305' cy='65.305' rx='24.805' ry='24.805' style='fill:url(%23a);stroke-width:.29182'/%3E%3Cpath class='b' transform='matrix(.29182 0 0 .29182 16.683 28.431)' d='m26.284 0-26.284 17.551m42.284-17.551 26.284 17.551m-25.284-21.551a9 9 0 0 1-9 9 9 9 0 0 1-9-9 9 9 0 0 1 9-9 9 9 0 0 1 9 9zm31.5-0.391a40.5 40.5 0 0 1-40.5 40.5 40.5 40.5 0 0 1-40.5-40.5 40.5 40.5 0 0 1 40.5-40.5 40.5 40.5 0 0 1 40.5 40.5z' style='fill:none;stroke-miterlimit:10;stroke-width:11px;stroke:%23fff'/%3E%3C/g%3E%3C/svg%3E){kind=small}