3949098
AIR COMPRESSOR
Cummins®

The Cummins 3949098 Air Compressor is a component designed for use in commercial trucks. It serves to generate and maintain the compressed air necessary for various truck systems. Its role is significant in ensuring the efficient operation of critical functions such as the braking system and the operation of pneumatic tools ¹.

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 automotive industry, air compressors are utilized for a variety of applications, including powering brakes, suspensions, and various tools and equipment ².

Role of the 3949098 Air Compressor in Truck Operation

This Cummins part plays a role in several key areas of truck operation. It provides the compressed air required for the truck’s air brake system, ensuring reliable and responsive braking performance. Additionally, it supplies air for pneumatic tools used in maintenance and other operations. The compressor also supports other air-dependent systems within the truck ³.

Key Features

The Cummins 3949098 Air Compressor is characterized by its robust build quality and the use of durable materials. Its design incorporates elements that enhance its efficiency and reliability. Unique characteristics of this model may include advanced sealing technologies and precision-machined components that contribute to its performance and longevity.

Benefits of Using the 3949098 Air Compressor

Utilizing this Cummins part offers several advantages. These include improved efficiency in air production, enhanced reliability under demanding conditions, durability that ensures a longer service life, and performance enhancements that contribute to the overall effectiveness of the truck’s systems.

Installation and Integration

Proper installation of the 3949098 involves following manufacturer guidelines to ensure it is correctly mounted and connected within the truck’s system. This may require specific modifications or considerations to accommodate the compressor’s size and operational requirements.

Maintenance and Care

To ensure the longevity and optimal performance of this Cummins part, routine maintenance practices are recommended. These include regular lubrication of moving parts, periodic filter changes to maintain air quality, and inspection procedures to identify and address any wear or damage.

Troubleshooting Common Issues

Common issues with the 3949098 may include leaks, unusual noises, or a decrease in performance. Troubleshooting these problems involves systematic checks of the compressor’s components and connections, along with following recommended repair or replacement procedures for faulty parts.

Performance Optimization

Maximizing the performance of the 3949098 can be achieved through various means. This includes making adjustments to ensure it operates within its optimal range, considering upgrades for components that may enhance efficiency, and adhering to best practices for operation and maintenance.

Cummins: A Brief 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 a reputation for quality, Cummins is committed to providing reliable and efficient solutions for commercial vehicle components, including air compressors like the 3949098 model.

Cummins Air Compressor 3949098 Compatibility

The Cummins Air Compressor part number 3949098 is designed to fit a variety of Cummins engines, ensuring reliable and efficient operation across multiple models. This air compressor is engineered to meet the specific needs of these engines, providing essential compressed air for various functions.

Compatible Engines

ISC Series

• ISC CM2150
• ISC CM554
• ISC CM850

ISL Series

• ISL CM2150
• ISL CM554
• ISL G CM2180
• ISL9 CM2150 SN
• ISL9.5 CM2880 L138

L Series

• L GAS PLUS CM556
• L8.9 CM2670 L134C
• L8.9G CMOH2.0 L125B
• L9 CM2670 L128B

QSC Series

• QSC8.3 CM554
• QSC8.3 CM850 (CM2850)

QSL Series

• QSL8.9 CM2150 L141
• QSL9 CM554
• QSL9 CM850 (CM2850)

The Cummins Air Compressor 3949098 is meticulously designed to integrate seamlessly with these engines, ensuring compatibility and optimal performance. This part is crucial for maintaining the air systems in these engines, which are vital for various operational functions.

Role of Part 3949098 Air Compressor in Engine Systems

The Part 3949098 Air Compressor is integral to the efficient operation of various engine systems. It works in tandem with the turbocharger to enhance the engine’s performance by supplying pressurized air to the intake manifold. This pressurized air increases the oxygen content in the combustion chamber, allowing for more fuel to be burned and thus generating more power.

In conjunction with the intercooler, the AIR COMPRESSOR helps in cooling the compressed air before it enters the engine. This cooling process increases the air density, leading to better engine efficiency and power output.

The AIR COMPRESSOR also plays a significant role in the operation of the Positive Crankcase Ventilation (PCV) system. By providing a steady supply of clean, pressurized air, it helps in maintaining the proper pressure balance within the crankcase, ensuring that blow-by gases are effectively vented and reducing the risk of contamination in the oil.

Furthermore, the AIR COMPRESSOR supports the operation of the brake system by supplying pressurized air to the brake booster. This assistance enhances the driver’s ability to apply the brakes with less physical effort, improving overall safety and driving comfort.

Conclusion

In summary, the Part 3949098 Air Compressor is a key component that enhances the performance, efficiency, and safety of modern engine systems through its integration with turbochargers, intercoolers, PCV systems, and brake boosters.