3287447
Crankshaft Flange
Cummins®

The Cummins 3287447 Crankshaft Flange is a component designed for use in heavy-duty truck engines. Its purpose is to facilitate the connection between the crankshaft and the flywheel, ensuring smooth operation and efficient power transmission. This part plays a significant role in maintaining the balance and performance of the engine, contributing to the overall reliability and efficiency of heavy-duty trucks.

Basic Concepts of Crankshaft Flanges

A crankshaft flange is a component that attaches to the end of a crankshaft. Its general function is to provide a mounting surface for the flywheel, which is crucial for the operation of the engine. The flange interfaces with the flywheel to enable the transfer of rotational force from the crankshaft to the transmission system, playing a key role in the engine’s power delivery ¹.

Purpose of the 3287447 Crankshaft Flange

The 3287447 Crankshaft Flange is specifically designed to connect the crankshaft to the flywheel in Cummins engines. This connection is vital for the synchronization of engine components, ensuring that the rotational force generated by the crankshaft is efficiently transferred to the transmission. Additionally, the flange contributes to the engine’s balance by providing a stable mounting point for the flywheel, which helps in reducing vibrations and enhancing overall engine performance.

Key Features

The 3287447 Crankshaft Flange is engineered with precision to ensure durability and efficiency. It is typically made from high-strength materials that can withstand the rigors of heavy-duty truck operation. The design includes features such as precise machining and robust construction, which enhance its ability to maintain a secure connection between the crankshaft and flywheel. These attributes contribute to the flange’s longevity and reliability in demanding applications.

Benefits

The advantages of using the 3287447 Crankshaft Flange include improved engine performance, increased reliability, and enhanced longevity. By providing a stable and secure connection between the crankshaft and flywheel, this component helps ensure smooth operation and efficient power transmission. Its durable construction also contributes to the overall reliability of the engine, making it a valuable component for heavy-duty truck applications.

Installation Process

Proper installation of the 3287447 Crankshaft Flange involves several steps to ensure a secure and efficient connection. Begin by cleaning the mating surfaces on the crankshaft and flywheel to remove any debris or old gasket material. Next, apply a suitable gasket or sealant to the flange’s mating surface. Carefully align the flange with the crankshaft and flywheel, ensuring that all bolt holes are properly aligned. Use the appropriate torque specifications to tighten the bolts in a crisscross pattern to ensure even pressure distribution. Finally, double-check all connections to confirm that the flange is securely installed.

Common Issues and Troubleshooting

Typical problems associated with crankshaft flanges include misalignment, wear, and damage from improper installation or operation. To diagnose these issues, inspect the flange and mating surfaces for signs of wear, damage, or misalignment. If any issues are detected, the flange may need to be replaced or repaired. Ensuring proper installation and regular maintenance can help prevent these problems and extend the lifespan of the component.

Maintenance Tips

To ensure the longevity and optimal performance of the 3287447 Crankshaft Flange, routine maintenance practices are recommended. Regularly inspect the flange and mating surfaces for signs of wear or damage. Clean the surfaces as needed to remove any debris or buildup that could affect the connection. Additionally, ensure that all bolts are tightened to the manufacturer’s specifications during routine engine maintenance to maintain a secure connection.

Cummins Corporation Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and power generation products. With a history dating back to 1919, Cummins has established a reputation for innovation, quality, and reliability in the automotive industry. The company’s product range includes engines for on-highway and off-highway applications, as well as components and systems that enhance engine performance and efficiency.

Crankshaft Flange Compatibility with Cummins Engines

The Crankshaft Flange part number 3287447, manufactured by Cummins, is a critical component that interfaces with various engine models. This part is designed to ensure a secure connection between the crankshaft and the engine block, facilitating smooth operation and maintaining the integrity of the engine’s internal components.

ISB/ISD4.5 Engines

The Crankshaft Flange part 3287447 is compatible with the following ISB/ISD4.5 engines:

• ISB/ISD4.5 CM2150 B119
• ISD4.5 CM2220 D108

These engines are part of the Cummins lineup known for their robust performance and reliability in various applications, including heavy-duty trucks and industrial machinery.

ISBE Engines

The ISBE engines that are compatible with the Crankshaft Flange part 3287447 include:

• ISBE CM800
• ISBE4 CM850

These engines are typically used in on-highway and vocational applications, providing a balance of power and efficiency.

QSB Engines

The Crankshaft Flange part 3287447 also fits the following QSB engines:

• QSB4.5 CM2250 EC
• QSB4.5 CM850 (CM2850)

These engines are designed for a range of applications, from agricultural to construction, offering versatility and durability.

By ensuring the correct fitment of the Crankshaft Flange part 3287447, users can maintain the operational integrity and longevity of their Cummins engines.

Role of Part 3287447 Crankshaft Flange in Engine Systems

The Part 3287447 Crankshaft Flange is an integral component in the efficient operation of engine systems, particularly in managing the interactions between the crankshaft and other essential parts.

Integration with the Damper

The Crankshaft Flange interfaces directly with the damper, which is responsible for absorbing and dissipating torsional vibrations generated by the engine. This connection ensures that the damper is securely mounted and can effectively perform its function. The flange’s design allows for precise alignment and attachment, which is vital for the damper to maintain its effectiveness over the engine’s operational life.

Vibration Management

In conjunction with the damper, the Crankshaft Flange plays a significant role in vibration management within the engine. By providing a stable and robust mounting point for the damper, the flange helps in reducing the transmission of vibrations to other engine components. This not only enhances the durability of the engine but also contributes to smoother operation and reduced wear on connected parts.

Enhanced Performance and Reliability

The secure attachment facilitated by the Crankshaft Flange ensures that the damper can operate under varying engine loads and speeds without compromising its performance. This reliability is essential for maintaining consistent engine performance and protecting other components from undue stress caused by unmanaged vibrations.

Conclusion

In summary, the Part 3287447 Crankshaft Flange is a key element in the engine system, ensuring that the damper is effectively integrated and that vibration management is optimized for enhanced engine performance and longevity.