3694334
V Ribbed Belt
Cummins®

Introduction

The Cummins 3694334 V-Ribbed Belt is a component designed for use in commercial trucks. It facilitates the transfer of power from the engine to various auxiliary components, contributing to the efficiency and reliability of truck operations.

Basic Concepts of V-Ribbed Belts

V-Ribbed Belts, characterized by their trapezoidal cross-section, are integral to the drivetrain of a truck. They transfer power from the engine to components such as the alternator, water pump, and air conditioning compressor. This design reduces slippage and enhances power transmission, offering greater durability and efficiency compared to flat belts ¹.

Purpose of the 3694334 V-Ribbed Belt

This Cummins part ensures that the alternator generates electricity, the water pump circulates coolant, and the air conditioning compressor operates. It contributes to the synchronized operation of these systems, enhancing the overall performance and reliability of the truck.

Key Features

The 3694334 V-Ribbed Belt is constructed from high-quality materials, featuring multiple ribs that increase the contact surface area with pulleys. This design improves grip and reduces the likelihood of slippage, ensuring long-lasting performance in heavy-duty applications.

Benefits

Using this part offers advantages such as improved efficiency, reliability, and longevity. Its design allows for better power transmission with less slippage, leading to more efficient operation of auxiliary components. The belt’s durability ensures it can withstand the rigors of heavy-duty use ¹.

Installation

Installing the 3694334 V-Ribbed Belt requires following specific guidelines to ensure proper fit and function. The process involves removing the old belt, aligning the new belt with the pulleys, and adjusting the tension to manufacturer specifications. Detailed instructions should be followed to avoid common installation pitfalls.

Troubleshooting

Common issues with V-Ribbed Belts include wear, cracking, and misalignment. Signs of wear may include visible damage or a squealing noise during operation. Potential causes of failure can be attributed to improper tension, misalignment, or exposure to harsh conditions. Addressing these issues promptly can prevent further damage.

Maintenance

To prolong the life of the 3694334 V-Ribbed Belt, regular maintenance is recommended. This includes inspecting the belt for signs of wear, ensuring proper tension, and replacing the belt at recommended intervals. Adhering to these practices can help prevent unexpected failures.

Cummins Overview

Cummins Inc. is a renowned manufacturer in the commercial truck industry, known for its commitment to quality and innovation. The company’s dedication to advancing technology and meeting customer needs underscores its position as a leader in the industry.

V-Ribbed Belt 3694334 Compatibility with Cummins Engines

The V-Ribbed Belt part number 3694334 is designed to fit a variety of Cummins engines, ensuring the proper functioning of engine accessories such as the alternator, water pump, and air conditioning compressor.

ISG11 CM2880 G108 and ISG12 CM2880 G107

This belt is compatible with the ISG11 CM2880 G108 and ISG12 CM2880 G107 engines, part of the Cummins Industrial Series Gas (ISG) lineup. Its design ensures it can handle the specific load requirements of these engines, maintaining optimal performance.

X11 CM2670 X126B and X12 CM2670 X121B

The V-Ribbed Belt 3694334 also fits the X11 CM2670 X126B and X12 CM2670 X121B engines. These engines belong to the Cummins X Series, widely used in various applications. The belt’s robust construction and precise fit are essential for the smooth operation of these engines.

X12N CMMDG1 X143B and X13 CM2670 X122B

Lastly, the V-Ribbed Belt 3694334 is compatible with the X12N CMMDG1 X143B and X13 CM2670 X122B engines. These engines are part of the Cummins X Series, designed for heavy-duty applications. The belt’s durability and precise engineering make it an ideal choice for these engines, providing reliable performance in demanding environments.

Conclusion

The Cummins 3694334 V-Ribbed Belt plays a significant role in the operation of commercial trucks by ensuring the efficient transfer of power to essential components. Its design, durability, and compatibility with various Cummins engines make it a reliable choice for maintaining the performance and reliability of truck operations.