4982759
Flywheel Housing
Cummins®

The Cummins 4982759 Flywheel Housing is a component designed for use in heavy-duty trucks. It serves a significant role in the operation of these vehicles by providing a secure mounting point for the flywheel and facilitating the smooth transfer of power from the engine to the transmission.

Basic Concepts of Flywheel Housing

A flywheel housing is an enclosure that houses the flywheel, which is a heavy wheel attached to the crankshaft of an engine. Its primary function is to store rotational energy and smooth out the delivery of power from the engine to the transmission. The flywheel housing interacts with several key components, including the flywheel, clutch, and transmission, ensuring that power is efficiently transferred and that the engine operates smoothly ¹.

Purpose of the 4982759 Flywheel Housing

This part plays a role in supporting the flywheel and ensuring that it remains securely in place. This housing is integral to the operation of a truck as it facilitates smooth gear transitions by maintaining the alignment and integrity of the flywheel and clutch assembly. Its design allows for efficient power transfer and contributes to the overall reliability of the drivetrain ².

Key Features

The 4982759 Flywheel Housing is constructed from durable materials that are designed to withstand the rigors of heavy-duty use. Its design includes precision-machined surfaces to ensure a proper fit and function within the engine assembly. Additionally, it features robust mounting points to secure the flywheel and other components, enhancing both performance and durability ³.

Benefits

This Cummins part offers several benefits, including improved engine performance due to its precise fit and function. Its durable construction ensures enhanced longevity under demanding conditions. Furthermore, it contributes to reliable operation, reducing the likelihood of drivetrain issues and improving the overall efficiency of the truck.

Installation Process

Installing the 4982759 Flywheel Housing requires careful preparation and the use of appropriate tools. The process involves ensuring the engine is properly supported, the old housing is removed, and the new housing is aligned and secured in place. It is important to follow manufacturer guidelines to ensure proper fitting and functionality.

Troubleshooting Common Issues

Common issues with the 4982759 Flywheel Housing may include leaks, cracks, or misalignment. These can often be identified through visual inspection or by monitoring the performance of the drivetrain. Troubleshooting steps may involve checking for proper alignment, inspecting for damage, and ensuring all connections are secure.

Maintenance Tips

To prolong the lifespan of the 4982759 Flywheel Housing, regular inspections should be conducted to check for signs of wear or damage. Cleaning the housing and its components can prevent the buildup of debris that may cause issues. Adhering to recommended service intervals for inspection and maintenance will help ensure continued reliable operation.

Compatibility and Applications

The 4982759 Flywheel Housing is designed for use with specific Cummins engine models and is suitable for various types of heavy-duty trucks. Its applications are diverse, ranging from long-haul trucking to construction and industrial use, where durability and performance are paramount.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions. With a strong reputation in the industry, Cummins is known for its commitment to quality and innovation in automotive components. The company’s products are engineered to meet the demanding requirements of heavy-duty applications, ensuring reliability and performance ⁴.

Cummins Flywheel Housing Part 4982759 Compatibility

The Cummins flywheel housing part number 4982759 is a component that fits several of Cummins’ engine models. This part is designed to securely house the flywheel, ensuring proper engine operation and efficiency. Here is a detailed look at the engines with which this flywheel housing is compatible:

B6.7 Series Engines

• B6.7 CM2670 B153B
• B6.7 G CMOH6.0 B125
• QSB6.7 CM850 (CM2850)

These engines, part of the B6.7 series, are known for their robust performance and reliability. The flywheel housing part 4982759 is engineered to fit these engines, ensuring a seamless integration that maintains the integrity of the engine’s flywheel system.

ISB/ISD Series Engines

• ISB/ISD4.5 CM2150 B119
• ISB/ISD6.7 CM2150 SN

The ISB/ISD series engines, including the 4.5 and 6.7 variants, benefit from the precise fit of the flywheel housing part 4982759. This part is designed to work with the specific dimensions and requirements of these engines, ensuring optimal performance and durability.

ISBE Series Engines

• ISBE CM2150
• ISBE4 CM850

The ISBE series engines, both the CM2150 and CM850 variants, are compatible with the flywheel housing part 4982759. This compatibility ensures that the flywheel housing fits perfectly, providing the necessary support and protection for the flywheel.

QSB Series Engines

• QSB7 CM2880 B117

The QSB7 engine, with its CM2880 designation, is another engine model that the flywheel housing part 4982759 fits. This compatibility is crucial for maintaining the engine’s operational efficiency and longevity.

By ensuring that the flywheel housing part 4982759 is compatible with these various engine models, Cummins maintains a high standard of quality and reliability across its engine lineup. This compatibility allows for easier maintenance and repair, as technicians can use a single part number for multiple engine types, simplifying inventory management and part sourcing.

Conclusion

The 4982759 Flywheel Housing is an integral component in the assembly and operation of engine systems. It serves as the protective enclosure for the flywheel, a heavy rotating disc that stores rotational energy and smooths out the power delivery from the engine’s combustion cycles.

When integrating the Flywheel Housing into an engine system, it is positioned to encase the flywheel, securing it in place while allowing for the necessary rotational movement. This housing is typically bolted to the engine block or the transmission casing, depending on the specific engine design. Its placement ensures that the flywheel is shielded from external elements, reducing the risk of damage and contamination.

The Flywheel Housing also plays a role in the alignment of the flywheel with the engine’s crankshaft. This alignment is essential for the proper engagement of the starter motor’s pinion gear with the flywheel’s ring gear during engine start-up. Furthermore, the housing contributes to the structural integrity of the engine, providing a stable foundation for the flywheel to operate within the power transmission system.

In addition to its protective and alignment functions, the Flywheel Housing often incorporates mounting points for other components such as the clutch assembly in manual transmission vehicles. This allows for the efficient transfer of power from the engine to the transmission, facilitating smooth gear changes and vehicle movement.

The design of the Flywheel Housing must account for the thermal expansion of the flywheel and other nearby components, as well as the vibrational forces generated during engine operation. It is engineered to dissipate heat and absorb vibrations, contributing to the overall durability and performance of the engine system.