3076346
Wear Sleeve
Cummins®

Introduction

The Cummins 3076346 Wear Sleeve is a component designed to enhance the durability and efficiency of commercial truck engines. It provides a protective barrier within the engine, ensuring smooth operation and longevity of the engine components it interfaces with. This part is integral to maintaining the performance standards expected in heavy-duty applications.

Purpose and Function

The Wear Sleeve is positioned within the engine to shield critical components from wear and tear. It interacts closely with moving parts, reducing friction and preventing direct metal-to-metal contact, which can lead to accelerated wear. Its placement is strategic, ensuring it effectively guards against the harsh conditions present in a commercial truck engine environment.

Key Features

The design of the 3076346 incorporates materials that are resistant to high temperatures and mechanical stress. It features a precise fit that ensures it remains in place under the dynamic conditions of engine operation. The material characteristics contribute to its ability to withstand the rigors of heavy-duty use, providing a reliable performance over extended periods.

Benefits

Incorporating the Wear Sleeve into an engine assembly offers several advantages. It contributes to improved engine longevity by minimizing wear on critical components. Additionally, it reduces the frequency of maintenance interventions required, which can be particularly beneficial in fleet operations where downtime is costly. The enhanced protection it offers can also lead to more consistent engine performance over time.

Installation Process

Proper installation of the 3076346 is crucial for its effective function. The process involves ensuring the engine is clean and free of debris before placement. The sleeve should be aligned correctly with the corresponding components to ensure a snug fit. Tools such as torque wrenches may be required to secure any associated fasteners to the manufacturer’s specifications, ensuring the sleeve is held firmly in place without over-tightening.

Troubleshooting and Maintenance

Common issues with the 3076346 may include signs of wear or damage, which can be identified during routine engine inspections. Maintenance practices should include regular checks for proper fit and condition, with replacement recommended if any degradation is observed. Keeping the engine clean and well-lubricated will also contribute to the longevity of the wear sleeve and associated components.

Performance Impact

The 3076346 plays a role in maintaining the overall performance and efficiency of the truck engine. By reducing friction and wear, it helps in preserving the engine’s fuel economy and power output. Its presence ensures that the engine operates within its designed parameters, contributing to consistent performance across the vehicle’s operational life.

Manufacturer Information - Cummins

Cummins is a renowned manufacturer in the automotive and heavy-duty truck industry, known for its commitment to quality and innovation. Their components, including the 3076346, are designed with a focus on reliability and performance, reflecting Cummins’ dedication to meeting the demanding requirements of commercial vehicle applications.

Cummins Wear Sleeve 3076346 Compatibility

The Cummins Wear Sleeve part number 3076346 is designed to fit a variety of Cummins engines, providing essential protection and longevity to the engine’s components. Below is a detailed description of the engines with which this part is compatible:

G855 Series Engines

• G855
• G855 CM558
• GTA855 CM558 (CM2358) G101
• KTA38GC CM558

These engines benefit from the wear sleeve’s ability to reduce friction and wear, ensuring smoother operation and longer service life.

QSK Series Engines

• QSK19 CM500
• QSK19 CM850 MCRS
• QSK38 CM2150 MCRS
• QSK38 CM850 MCRS
• QSK50 CM2150 K107
• QSK50 CM2150 MCRS
• QSK50 CM2350 K108

The QSK series engines, known for their high performance and reliability, are well-suited for the wear sleeve. This part helps maintain the integrity of the engine’s moving parts, enhancing durability and performance.

N14 Series Engines

• N14 CELECT
• N14 G
• N14 MECHANICAL

The N14 series engines, which are widely used in various applications, also benefit from the wear sleeve. It provides critical protection to the engine’s internal components, ensuring efficient operation and reducing maintenance needs.

NH/NT 855 Series Engines

• NH/NT 855

This engine series, known for its robust design, is another beneficiary of the wear sleeve. The part’s precision fit ensures optimal performance and longevity.

QSN Series Engines

• QSNT14 CM876 N102

The QSN series engines, designed for heavy-duty applications, also require the wear sleeve for maintaining operational efficiency and reducing wear.

Other Cummins Engines

• 4B3.9
• 6B5.9
• K19
• K38
• K50
• V903

These engines, while not as commonly grouped, also utilize the wear sleeve to enhance their performance and lifespan. The part’s compatibility with these engines ensures that they operate smoothly and reliably.

By providing a precise fit and reducing friction, the Cummins Wear Sleeve part number 3076346 is an essential component for maintaining the health and efficiency of these engines.

Role of Part 3076346 Wear Sleeve in Engine Systems

The part 3076346 is integral to the smooth operation of various engine components. It facilitates the efficient transfer of power and reduces friction between moving parts, enhancing the durability and performance of the engine system.

Accessory Drive System

In the accessory drive system, the Wear Sleeve interfaces with components such as the Accessory Drive Pulley, Accessory Drive Belt, and the Accessory Drive Tensioner. It ensures that the rotation from the Engine is effectively transmitted to accessories like the Alternator, Air Compressor, and Power Steering Pump. This results in consistent performance and reduced wear on the drive components.

Alternator and Air Compressor

For the Alternator and Air Compressor, the Wear Sleeve plays a significant role in maintaining the precise alignment and smooth operation of their respective drive pulleys. This alignment is essential for the efficient generation of electrical power and the consistent delivery of compressed air, respectively.

Cooling System

In the cooling system, the Wear Sleeve is employed in the Water Pump Drive Pulley and the Fan Drive System. It assists in maintaining the optimal rotational speed and efficiency of the water pump and cooling fan, ensuring that the engine operates within safe temperature ranges.

Timing System

Within the timing system, the Wear Sleeve is used in conjunction with the Timing Hub and related pulleys. It helps in maintaining the accurate timing of the engine’s valves and pistons, which is vital for the engine’s performance and fuel efficiency.

Belt and Damper Guard

The Wear Sleeve also contributes to the functionality of the Belt and Damper Guard system. By reducing friction and wear on the belt and associated components, it helps in prolonging the life of the belt and enhancing the overall reliability of the drive system.

Fan Drive Ratios

For systems with variable fan drive ratios (e.g., 0.75 to 1, 0.86 to 1, 1 to 1), the Wear Sleeve ensures that the fan operates efficiently across different engine speeds. This is particularly important for maintaining optimal engine cooling under varying load conditions.

Radiator Cooling

In the context of radiator cooling, the Wear Sleeve aids in the efficient operation of the radiator cooling fan. By ensuring smooth and consistent rotation, it helps in dissipating heat effectively, thereby contributing to the overall thermal management of the engine.

The Wear Sleeve, through its application in these various engine systems, plays a significant role in enhancing the efficiency, reliability, and longevity of the engine components it interacts with.

Conclusion

The Cummins 3076346 Wear Sleeve is a critical component in the maintenance and enhancement of commercial truck engine performance. Its role in reducing friction, protecting critical components, and ensuring smooth operation across various engine systems underscores its importance in heavy-duty applications. Proper installation, regular maintenance, and understanding its compatibility with different Cummins engines are essential for maximizing the benefits of this part.