5262265
V Ribbed Belt
Cummins®

The Cummins 5262265 V-Ribbed Belt is a component designed for use in commercial trucks. It serves a significant role in the operation of these vehicles by facilitating the transfer of power from the engine to various ancillary systems. Understanding its function and importance can help in maintaining the efficiency and reliability of truck engines.

Basic Concepts of V-Ribbed Belts

V-Ribbed Belts are a type of drive belt characterized by their trapezoidal cross-section, which allows them to run in specially designed pulleys. These belts function by transmitting power from the engine to various components such as the alternator, water pump, and air conditioning compressor. They play a role in ensuring that these systems operate efficiently and synchronously with the engine ¹.

Purpose of the Cummins 5262265 V-Ribbed Belt

The Cummins 5262265 V-Ribbed Belt is designed to drive multiple engine components in commercial trucks. It connects to the crankshaft and transfers power to systems like the alternator, which generates electricity, and the water pump, which circulates coolant through the engine. This belt ensures that these components function correctly, contributing to the overall performance and reliability of the truck ².

Key Features

The Cummins 5262265 V-Ribbed Belt features a robust design that includes multiple ribs, which increase the surface area in contact with the pulleys. This design enhances power transmission efficiency. The belt is constructed from durable materials that resist wear, heat, and chemical exposure, ensuring longevity and reliable performance in demanding truck engine environments ³.

Benefits

The Cummins 5262265 V-Ribbed Belt offers several benefits. Its design allows for efficient power transmission, reducing the load on the engine and improving fuel efficiency. The durable construction ensures long service life, minimizing the need for frequent replacements. Additionally, the belt’s ability to drive multiple components simultaneously enhances the reliability of the truck’s ancillary systems ⁴.

Installation

Proper installation of the Cummins 5262265 V-Ribbed Belt is important for ensuring optimal performance. It should be installed with the correct tension to prevent slippage and ensure efficient power transmission. Tools such as belt tensioners may be required to achieve the proper tension. Following manufacturer guidelines during installation can help avoid common issues and ensure the belt functions as intended.

Maintenance

Regular maintenance of the Cummins 5262265 V-Ribbed Belt is important for ensuring its longevity and performance. Inspections should be conducted at regular intervals to check for signs of wear, such as cracks or fraying. Maintaining the correct tension and ensuring the belt runs true on the pulleys can help prevent premature wear and failure.

Troubleshooting

Common issues with the Cummins 5262265 V-Ribbed Belt may include slippage, cracks, or excessive wear. These issues can often be identified through regular inspections. If slippage is detected, the tension may need to be adjusted. Cracks or significant wear may indicate that the belt needs to be replaced to prevent failure and ensure the continued operation of the truck’s ancillary systems.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality and reliability in the commercial truck industry. The company’s commitment to innovation and customer satisfaction has made it a preferred choice for truck manufacturers and operators worldwide.

V-Ribbed Belt 5262265 Compatibility with Cummins Engines

The V-Ribbed Belt part number 5262265, 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 components, ensuring that systems such as the alternator, water pump, and air conditioning compressor operate efficiently.

B6.7 and QSB6.7 Series

The V-Ribbed Belt 5262265 is compatible with the B6.7 CM2670 and QSB6.7 CM850 (CM2850) engines. These engines are part of the Cummins B and QSB series, known for their robust performance and reliability in various applications, from agricultural to industrial use.

ISB/ISD Series

The belt also fits the ISB/ISD 4.5 CM2150 B119 and ISB/ISD 6.7 CM2150 SN engines. The ISB/ISD series is a versatile range of engines, offering a balance of power and efficiency. These engines are commonly used in heavy-duty trucks, construction equipment, and other demanding applications.

ISBE and ISBE4 Series

The V-Ribbed Belt 5262265 is also suitable for the ISBE CM2150 and ISBE4 CM850 engines. The ISBE series is designed for on-highway applications, providing high performance and reliability. These engines are often found in long-haul trucks and other commercial vehicles.

QSB7 Series

Lastly, the belt is compatible with the QSB7 CM2880 B117 engine. This engine is part of the QSB series, which is known for its durability and efficiency in off-road and industrial applications.

By ensuring that the V-Ribbed Belt 5262265 is correctly installed, engine owners can maintain the optimal performance of their ancillary systems, contributing to the overall longevity and efficiency of their engines.

Role of Part 5262265 V-Ribbed Belt in Engine Systems

The V-Ribbed Belt, identified by part number 5262265, is integral to the efficient operation of various engine components. One of its primary functions is to drive the water pump.

Water Pump Drive

The water pump is responsible for circulating coolant throughout the engine to maintain optimal operating temperatures. The V-Ribbed Belt transfers rotational force from the engine’s crankshaft to the water pump. This ensures a consistent flow of coolant, which is essential for preventing overheating and maintaining engine efficiency. The belt’s ribbed design allows for a secure grip on the water pump pulley, enhancing the transfer of power and reducing slippage. This reliable drive mechanism is vital for the sustained performance of the cooling system.

Conclusion

The Cummins 5262265 V-Ribbed Belt plays a critical role in the operation of commercial truck engines by efficiently transferring power to essential components such as the alternator and water pump. Its robust design, durable construction, and compatibility with various Cummins engines make it a reliable choice for maintaining engine performance and reliability. Proper installation, regular maintenance, and timely troubleshooting are essential for ensuring the longevity and efficiency of this Cummins part.