5260996
Fan Support
Cummins®

The 5260996 Fan Support, a component manufactured by Cummins, is designed for use in commercial trucks. This article provides an overview of the fan support, its function, key features, benefits, and maintenance suggestions.

Basic Concepts of Fan Support

A fan support, also known as a fan shroud or fan frame, is a structural component that houses and supports the engine cooling fan. It plays a role in directing airflow through the radiator and other cooling components, enhancing the efficiency of the engine cooling system ¹.

Purpose of 5260996 Fan Support

The 5260996 Fan Support is designed to secure and align the engine cooling fan within the truck’s cooling system. It ensures that the fan operates efficiently by maintaining proper airflow through the radiator and other cooling components, which helps in managing engine temperature under various operating conditions.

Key Features

• Durable Construction: The fan support is made from high-strength materials to withstand the rigors of heavy-duty truck operations.
• Precise Engineering: It is engineered to fit specific engine models, ensuring optimal performance and compatibility.
• Enhanced Cooling Efficiency: The design of the fan support contributes to improved airflow, which aids in effective engine cooling.

Benefits

• Improved Engine Cooling: By supporting the fan and directing airflow, the fan support contributes to more effective engine cooling.
• Reduced Wear and Tear: Proper alignment and support of the fan reduce the likelihood of mechanical issues and enhance the longevity of cooling system components.
• Enhanced Performance: Efficient cooling leads to better overall engine performance and reliability.

Troubleshooting and Maintenance

Regular inspection of the fan support is recommended to identify any signs of wear, damage, or misalignment. Common issues include cracks, deformation, or loose mounting. Maintenance tasks may involve cleaning the fan support to remove debris, tightening mounting bolts, or replacing the component if significant damage is detected.

Compatibility with Cummins Engines

This Cummins part is designed to be compatible with a variety of Cummins engine models. It plays a role in the engine’s cooling system by supporting the fan assembly, ensuring efficient airflow and optimal engine temperature management.

Compatible Engine Models

• 4B3.9
• 6B5.9
• B4.5
• B5.6 CM2670 B152B
• B5.9 CM2670 B166C
• B5.9 GAS PLUS CM556
• B6.7 CM2350 B135B
• B6.7 CM2670 B153B
• B6.7 CM2670 B164C
• ISB CM2150
• ISB/ISD4.5 CM2150 B119
• ISB/ISD6.7 CM2150 SN
• ISB5.9 CM2880 B110
• ISB5.9 CM2880 B140
• ISB5.9 CM2880 B149
• ISB5.9G CM2180
• ISB6.7 CM2250
• ISB6.7 CM2350 B101
• ISB6.7 G CM2180 B118
• ISBE CM2150
• ISBE4 CM850
• QSB3.9 CM2880 B138
• QSB4.5 CM2250 EC
• QSB4.5 CM850 (CM2850)
• QSB5.9 CM2880 B115

Grouping of Compatible Engines

• 4B3.9, 6B5.9, B4.5, B5.6 CM2670 B152B, B5.9 CM2670 B166C, B5.9 GAS PLUS CM556, QSB3.9 CM2880 B138

  • These engines are primarily used in smaller applications and feature a range of configurations suitable for various industrial and commercial uses.

• B6.7 CM2350 B135B, B6.7 CM2670 B153B, B6.7 CM2670 B164C, ISB CM2150, ISB/ISD4.5 CM2150 B119, ISB/ISD6.7 CM2150 SN, ISB5.9 CM2880 B110, ISB5.9 CM2880 B140, ISB5.9 CM2880 B149, ISB5.9G CM2180, ISB6.7 CM2250, ISB6.7 CM2350 B101, ISB6.7 G CM2180 B118, ISBE CM2150, ISBE4 CM850, QSB4.5 CM2250 EC, QSB4.5 CM850 (CM2850), QSB5.9 CM2880 B115

  • This larger group includes engines that are commonly used in medium to heavy-duty applications. They are designed for robust performance and are suitable for a wide range of heavy-duty vehicles and industrial machinery.

Understanding the Role of 5260996 in Engine Systems

In the orchestration of engine components, the 5260996 assumes a significant role by ensuring the seamless operation of the fan and fan drive system. This component is integral to maintaining the structural integrity and efficient functionality of the fan assembly.

Integration with the Fan

The fan, a pivotal component in engine cooling systems, relies on the fan support for stable mounting. The fan support provides a robust foundation that allows the fan to operate without undue stress or vibration. This stability is essential for the fan’s ability to effectively draw air through the radiator, ensuring that the engine maintains optimal operating temperatures ².

Synergy with the Fan Drive

The fan drive, which connects the fan to the engine, benefits from the precise alignment and support offered by the fan support. This alignment is vital for the efficient transfer of rotational force from the engine to the fan. The fan support helps in reducing wear and tear on the fan drive by minimizing misalignment and ensuring smooth operation.

Enhancing Drive Component Performance

The drive component, which includes belts or direct mechanical connections, interfaces with the fan support to maintain consistent tension and alignment. The fan support’s role in this interaction ensures that the drive components endure less strain, leading to prolonged service life and reliable performance.

Conclusion

The 5260996 Fan Support is a key enabler in the effective functioning of the fan, fan drive, and drive components within engine systems. Its contribution to structural stability and operational efficiency underscores its importance in the overall engine cooling mechanism.