3288757
V Ribbed Belt
Cummins®

Introduction

The Cummins 3288757 V-Ribbed Serpentine Belt is a component designed for use in commercial trucks. It plays a role in the operation of these vehicles by facilitating the transfer of power from the engine to various accessories. Understanding its function and importance can help in maintaining the efficiency and reliability of truck engines.

Basic Concepts of V-Ribbed Serpentine Belts

V-Ribbed Serpentine Belts are a type of drive belt characterized by their V-shaped cross-section and ribbed design. These belts wrap around multiple pulleys to drive engine accessories such as the alternator, water pump, and air conditioning compressor. Unlike traditional serpentine belts, which have a flat surface, V-Ribbed belts offer increased contact area with the pulleys, enhancing grip and efficiency. This design allows for better power transmission and reduced slippage, contributing to more reliable engine performance ¹.

Purpose of the Cummins 3288757 V-Ribbed Serpentine Belt

This Cummins part plays a role in the operation of a truck by driving various engine accessories. It ensures that components such as the alternator, water pump, and air conditioning compressor receive the necessary power to function correctly. This belt’s efficient power transmission helps maintain the overall performance and reliability of the truck’s engine system.

Key Features

The Cummins 3288757 V-Ribbed Serpentine Belt features a robust design that includes multiple V-shaped ribs. These ribs increase the contact area with the pulleys, enhancing grip and reducing the likelihood of slippage. The belt is constructed from high-quality materials that provide durability and resistance to wear. Additionally, its design allows for flexibility and adaptability to various engine configurations, ensuring a secure fit and optimal performance ².

Benefits

Using the Cummins 3288757 V-Ribbed Serpentine Belt offers several advantages. Its efficient power transmission leads to improved engine performance and reduced strain on the engine. The belt’s durable construction minimizes maintenance requirements and extends its service life. Furthermore, the enhanced grip provided by the V-ribbed design ensures reliable operation under various conditions, contributing to the overall efficiency and reliability of the truck ³.

Installation Process

Installing the Cummins 3288757 V-Ribbed Serpentine Belt requires careful attention to ensure proper fitting and tension. Begin by identifying the correct routing path for the belt, following the manufacturer’s guidelines. Use appropriate tools, such as a belt tensioner, to loosen the existing belt and remove it from the pulleys. Carefully place the new belt around the pulleys, ensuring it follows the correct path. Once installed, use the tensioner to adjust the belt to the recommended tension, ensuring it is neither too tight nor too loose.

Troubleshooting Common Issues

Common issues with V-Ribbed Serpentine Belts include slipping, cracking, and misalignment. Slipping can occur due to improper tension or wear, while cracking may result from age or exposure to harsh conditions. Misalignment can lead to uneven wear and reduced efficiency. To address these issues, regularly inspect the belt for signs of wear or damage. Ensure the belt is correctly tensioned and aligned with the pulleys. Replace the belt if it shows significant wear or damage to maintain optimal performance.

Maintenance Tips

To prolong the life of the Cummins 3288757 V-Ribbed Serpentine Belt, regular maintenance is essential. Inspect the belt at recommended intervals for signs of wear, cracking, or misalignment. Check the tension regularly and adjust it as necessary to ensure optimal performance. Keep the belt clean and free from debris that could cause damage. Following these maintenance practices will help ensure the belt operates efficiently and reliably over time.

Performance in Various Conditions

The Cummins 3288757 V-Ribbed Serpentine Belt is designed to perform under a range of operating conditions. Its robust construction and V-ribbed design provide reliable power transmission in extreme temperatures, high loads, and varying speeds. The belt’s durability ensures it can withstand the demands of commercial truck operation, contributing to consistent engine performance and reliability.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and quality, Cummins has established a strong reputation in the commercial truck industry. The company’s product range includes a variety of engines and components designed to meet the needs of diverse applications, ensuring reliable and efficient performance for commercial vehicles.

V-Ribbed Serpentine Belt 3288757 Compatibility with Cummins Engines

The V-Ribbed Serpentine Belt part number 3288757, manufactured by Cummins, is designed to fit a variety of Cummins engines. This belt is crucial for the proper functioning of the engine’s ancillary systems, such as the alternator, power steering pump, and air conditioning compressor. Below is a detailed description of the engines with which this belt is compatible.

Compatible Engines

• 4B3.9
• 6B5.9
• 6C8.3
• B4.5
• B5.9 CM2670 B166C
• B5.9 GAS PLUS CM556
• ISB/ISD4.5 CM2150 B119
• ISB/ISD6.7 CM2150 SN
• ISB5.9 CM2880 B127
• ISBE CM2150
• ISBE4 CM850
• ISZ13 CM2150 Z105
• QSB3.9 CM2880 B138
• QSB5.9 CM2880 B139

Grouping of Compatible Engines

3.9 Liter Engines

• 4B3.9
• QSB3.9 CM2880 B138

4.5 Liter Engines

• B4.5
• ISB/ISD4.5 CM2150 B119

5.9 Liter Engines

• 6B5.9
• B5.9 CM2670 B166C
• B5.9 GAS PLUS CM556
• ISB5.9 CM2880 B127
• QSB5.9 CM2880 B139

6.7 Liter Engines

• ISB/ISD6.7 CM2150 SN

8.3 Liter Engines

• 6C8.3

Other Specific Models

• ISBE CM2150
• ISBE4 CM850
• ISZ13 CM2150 Z105

This belt is engineered to ensure optimal performance and longevity, providing the necessary tension and flexibility required for the various components it drives. Its compatibility with a wide range of Cummins engines makes it a versatile choice for maintenance and repairs.

Role of Part 3288757 V-Ribbed Serpentine Belt in Engine Systems

The V-Ribbed Serpentine Belt, identified by part number 3288757, is integral to the efficient operation of several key engine components. Its primary function is to transfer rotational force from the engine’s crankshaft to various auxiliary components, ensuring they operate in unison with the engine’s rhythm.

Alternator Drive

The alternator is a vital component responsible for generating electrical power to charge the battery and power the vehicle’s electrical systems while the engine is running. The V-Ribbed Serpentine Belt engages with the alternator’s pulley, allowing the alternator to spin and produce electricity. This continuous drive ensures that the vehicle’s electrical demands are met, from lighting to powering electronic systems.

Alternator Mounting

While the alternator mounting itself does not directly interact with the belt, proper mounting is essential for the alternator’s pulley to align correctly with the belt. This alignment is crucial for the efficient transfer of power and to prevent undue stress on the belt, which could lead to premature wear or failure.

Fan Drive

In many engine configurations, the V-Ribbed Serpentine Belt also drives the engine cooling fan. The fan is responsible for drawing air through the radiator to cool the engine coolant. By connecting to the fan’s pulley, the belt ensures that the fan operates in sync with the engine’s speed, providing adequate cooling under various driving conditions.

Water Pump Drive

The water pump is another component driven by the V-Ribbed Serpentine Belt. This pump circulates coolant through the engine to maintain optimal operating temperatures. The belt’s engagement with the water pump’s pulley ensures consistent coolant flow, which is essential for preventing overheating and maintaining engine efficiency.

Conclusion

In summary, the V-Ribbed Serpentine Belt (part 3288757) plays a significant role in the coordinated operation of the alternator, fan, and water pump within the engine system. Its reliable performance is key to the overall functionality and longevity of these components.