3098946
Crankshaft Pulley
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$599.95 $713.94

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.


DESCRIPTION

The Cummins 3098946 Crankshaft Drive Pulley is a component designed for use in commercial trucks. It serves a specific function within the engine system, contributing to the overall operation and efficiency of the vehicle. Understanding its purpose and significance is fundamental for maintaining and optimizing truck performance.

Basic Concepts of Crankshaft Drive Pulleys

A crankshaft drive pulley is a mechanical component that attaches to the crankshaft of an engine. Its primary function is to transfer rotational force from the crankshaft to various engine accessories via belts. This transfer of power enables accessories such as the alternator, water pump, and air conditioning compressor to operate. The pulley’s design and material are important for efficient power transmission and durability under the demanding conditions of commercial truck operation 1.

Purpose and Role in Truck Operation

The 3098946 Crankshaft Drive Pulley plays a role in the operation of a truck by facilitating the transfer of power from the engine’s crankshaft to driven accessories. This ensures that essential systems such as the electrical system, cooling system, and air conditioning are powered. The pulley’s precise engineering allows for smooth and efficient operation, contributing to the truck’s overall performance and reliability 2.

Key Features

The Cummins 3098946 Crankshaft Drive Pulley is characterized by several key features that enhance its performance and durability. These include a robust material composition designed to withstand the high stresses and temperatures of commercial truck engines. The pulley’s design elements, such as its groove pattern and balance, are optimized for efficient belt engagement and minimal vibration. Additionally, any unique characteristics, such as corrosion-resistant coatings or specific dimensional tolerances, further contribute to its reliability and longevity 3.

Benefits

The Cummins 3098946 Crankshaft Drive Pulley offers several benefits that contribute to improved engine efficiency and reliability. By ensuring a consistent and efficient transfer of power to engine accessories, it helps maintain optimal engine performance. Its durable construction and precise engineering also contribute to the overall reliability of the truck, reducing the likelihood of unexpected failures and downtime.

Installation Considerations

Proper installation of the 3098946 Crankshaft Drive Pulley is important for ensuring its effective operation and longevity. Guidelines and considerations for installation include following manufacturer recommendations for torque specifications, ensuring proper alignment with the crankshaft and driven accessories, and verifying that all connections are secure. Adhering to these guidelines helps prevent installation-related issues and ensures the pulley functions as intended.

Troubleshooting Common Issues

Common issues that may arise with the 3098946 Crankshaft Drive Pulley include belt slippage, pulley misalignment, and wear or damage to the pulley itself. Troubleshooting steps may involve inspecting the pulley and belts for signs of wear, ensuring proper alignment and tension of the belts, and replacing any damaged components. Addressing these issues promptly can help maintain the efficiency and reliability of the truck’s engine system.

Maintenance Tips

Regular maintenance of the 3098946 Crankshaft Drive Pulley is important for ensuring optimal performance and longevity. Maintenance tips include periodic inspection of the pulley and belts for signs of wear or damage, ensuring proper belt tension and alignment, and following manufacturer recommendations for replacement intervals. Adhering to these maintenance practices can help prevent unexpected failures and extend the service life of the pulley.

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 a commitment to quality, Cummins has established a strong reputation in the commercial truck industry. The company’s focus on engineering excellence and customer satisfaction is reflected in its wide range of products, including the 3098946 Crankshaft Drive Pulley, which is designed to meet the demanding requirements of commercial truck applications.

Cummins Crankshaft Drive Pulley (Part 3098946) Compatibility

The Cummins Crankshaft Drive Pulley, identified by part number 3098946, is a critical component in the engine’s accessory drive system. This pulley is designed to interface with the crankshaft, ensuring the smooth operation of various engine accessories such as the alternator, water pump, and air conditioning compressor.

QSK19 CM500 Engine

The QSK19 CM500 engine is a high-performance, heavy-duty diesel engine that is widely used in various industrial applications. The Crankshaft Drive Pulley (3098946) is specifically engineered to fit this engine model, providing the necessary torque and rotational force to drive the engine’s accessories. The precision engineering of this part ensures compatibility and reliability, making it an essential component for maintaining the engine’s performance and longevity.

Grouping of Engines

While the QSK19 CM500 is the primary engine model mentioned, it is important to note that the Crankshaft Drive Pulley (3098946) may also be compatible with other Cummins engines within the same engine family or series. This compatibility is due to the standardized design and engineering principles that Cummins employs across its engine lineup.

For instance, engines within the same series often share similar components and design features, allowing for interchangeability of parts like the Crankshaft Drive Pulley. This standardization ensures that maintenance and repair processes are streamlined, reducing downtime and ensuring consistent performance across different engine models.

Role of Part 3098946 Crankshaft Drive Pulley in Engine Systems

The Part 3098946 Crankshaft Drive Pulley is an integral component in the synchronization and operation of several engine systems. Its primary function is to transmit rotational force from the crankshaft to various engine accessories, ensuring their efficient operation.

Integration with the Arrangement

In the engine’s arrangement, the Crankshaft Drive Pulley is positioned at the front of the crankshaft. This placement allows it to engage directly with the crankshaft, converting its rotational motion into a driving force. This force is then transmitted through a series of belts or chains to components such as the alternator, water pump, and air conditioning compressor. The precise arrangement ensures that each accessory receives the necessary power to function correctly, maintaining the engine’s overall performance and reliability.

Interaction with the Vibration Damper

The Crankshaft Drive Pulley also plays a significant role in conjunction with the vibration damper. The vibration damper is designed to absorb and reduce the vibrations generated by the engine’s reciprocating parts. As the Crankshaft Drive Pulley transmits power, it also helps in managing these vibrations, ensuring that they do not adversely affect the engine’s components or the vehicle’s drivability. This interaction is vital for maintaining smooth operation and prolonging the lifespan of both the engine and its accessories.

Conclusion

The Cummins 3098946 Crankshaft Drive Pulley is a critical component in the operation of commercial trucks, ensuring the efficient transfer of power to essential engine accessories. Its robust design, precise engineering, and compatibility with various Cummins engines make it a reliable choice for maintaining engine performance and reliability. Proper installation, regular maintenance, and prompt troubleshooting of common issues are essential for maximizing the lifespan and efficiency of this Cummins part.


  1. Kershaw, John F. SAE International’s Dictionary for Automotive Engineers. SAE International, 2023.

  2. Bell, Joseph A. Modern Diesel Technology Electricity Electronics. Delmar Cengage Learning, 2014.

  3. Xin, Qianfan. Diesel Engine System Design. Woodhead Publishing Limited, 2011.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
11.0 x 10.0 x 9.0 in
Weight
32 lbs
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* 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.