3288911
V Ribbed Belt
Cummins®

Introduction

The Cummins 3288911 V Ribbed Belt is a critical component for commercial trucks, facilitating the transfer of power from the engine to auxiliary components. Understanding its function and importance is essential for maintaining truck efficiency and reliability.

Basic Concepts of V Ribbed Belts

V Ribbed Belts, characterized by their trapezoidal cross-section, offer enhanced grip and reduced slippage compared to flat belts. Constructed from rubber and textile cords, they provide durability and flexibility, differing from timing and flat belts in construction and application, offering advantages in power transmission efficiency and longevity ¹.

Purpose of the 3288911 V Ribbed Belt

This Cummins part drives components such as the alternator, water pump, and air conditioning compressor, transferring rotational force from the engine to ensure these systems function correctly. It is integral to maintaining the truck’s electrical system, cooling, and comfort features, contributing to overall vehicle performance.

Key Features

The 3288911 V Ribbed Belt is composed of high-quality rubber and textile cords for strength and flexibility. Its design incorporates multiple ribs to increase the contact surface with pulleys, enhancing grip and efficiency. Characteristics such as resistance to oil, heat, and wear contribute to its performance and durability in demanding truck applications.

Benefits of Using the 3288911 V Ribbed Belt

Utilizing this Cummins part offers advantages such as improved efficiency in power transmission, reduced maintenance requirements due to its resistance to wear and slippage, and enhanced performance of driven components, ensuring reliable operation of critical truck systems.

Installation Considerations

Proper installation of the 3288911 V Ribbed Belt involves following guidelines for tensioning and alignment to prevent excessive wear and slippage and ensure efficient power transmission. Compatibility with other components should be verified to avoid operational issues.

Troubleshooting Common Issues

Common problems with V Ribbed Belts include slippage, wear, and noise. Slippage can often be addressed by adjusting tension or inspecting for damage. Wear may indicate the need for replacement, while noise could signal misalignment or contamination. Regular inspection and maintenance can help identify and resolve these issues promptly.

Maintenance Tips

Regular maintenance is recommended to ensure the longevity and optimal performance of the 3288911 V Ribbed Belt. This includes inspecting the belt for signs of wear or damage, cleaning it to remove contaminants, and adhering to replacement schedules based on usage and condition. Proper care of the belt contributes to the efficient and reliable operation of the truck.

Cummins: A Brief Overview

Cummins Inc. is a leader in the commercial truck industry, known for its commitment to quality and innovation. With a diverse product range that includes engines, filtration systems, and powertrain components, Cummins has established a reputation for excellence. The company’s focus on advancing technology and meeting customer needs underscores its position as a trusted provider in the industry.

Compatibility of V Ribbed Belt Part 3288911 with Cummins Engines

The V Ribbed Belt part number 3288911, manufactured by Cummins, is designed to fit a variety of Cummins engines, ensuring the proper functioning of ancillary components such as the alternator, water pump, and air conditioning compressor. Here is a detailed look at its compatibility with the listed engines:

4B3.9, 6B5.9, 6C8.3, B5.9 G

The belt is compatible with the following engines:

• 4B3.9
• 6B5.9
• 6C8.3
• B5.9 G

These engines are typically found in various industrial and heavy-duty applications, and the belt ensures that the necessary components are driven efficiently.

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

The belt also fits the following engines:

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

These engines are part of the Cummins ISB/ISD series, known for their reliability and performance in both on-highway and off-highway applications.

ISBE CM2150, ISBE4 CM850

The V Ribbed Belt part 3288911 is also suitable for:

• ISBE CM2150
• ISBE4 CM850

These engines are often used in construction and agricultural equipment, providing robust power and durability.

QSB4.5 CM850(CM2850), QSB5.9 44 CM550, QSB6.7 CM850(CM2850), QSB7 CM2880 B117

The belt is compatible with the following engines:

• QSB4.5 CM850(CM2850)
• QSB5.9 44 CM550
• QSB6.7 CM850(CM2850)
• QSB7 CM2880 B117

These engines are part of the Cummins QSB series, which is widely used in a variety of applications, including marine, industrial, and agricultural sectors. The belt ensures that the engine’s accessories are driven smoothly and efficiently.

By ensuring that the V Ribbed Belt part 3288911 is correctly installed, users can maintain the performance and longevity of their Cummins engines, avoiding potential breakdowns and ensuring reliable operation.

Role of Part 3288911 V Ribbed Belt in Engine Systems

The 3288911 V Ribbed Belt is a critical component in the efficient operation of several engine systems. Its primary function is to transfer rotational force from the crankshaft to various auxiliary components, ensuring they operate in sync with the engine’s rhythm.

Alternator Drive

In the alternator drive system, the 3288911 V Ribbed Belt connects the crankshaft to the alternator. This connection allows the alternator to spin, generating electrical power that charges the battery and powers the vehicle’s electrical systems. The belt’s ribbed design enhances grip and reduces slippage, ensuring consistent power generation even under varying engine loads.

Water Pump Drive

The water pump drive is another critical application of the 3288911 V Ribbed Belt. By linking the crankshaft to the water pump, the belt facilitates the circulation of coolant through the engine. This circulation is vital for dissipating heat, preventing overheating, and maintaining optimal engine temperature. The ribbed profile of the belt provides superior traction, ensuring the water pump operates efficiently across a range of engine speeds.

Water Pump Drive Pulley

The water pump drive pulley is an integral part of the cooling system, and the 3288911 V Ribbed Belt plays a key role in its function. The belt drives the pulley, which in turn rotates the water pump impeller. This rotation creates a flow of coolant that is essential for temperature regulation. The belt’s design ensures minimal wear and maximum efficiency, contributing to the longevity and reliability of the cooling system.

Conclusion

The 3288911 V Ribbed Belt is a vital component in the operation of Cummins engines, facilitating the efficient transfer of power to essential components like the alternator and water pump. Its robust design and reliable performance make it a cornerstone of modern engine systems, ensuring the smooth and efficient operation of commercial trucks.