4937693
V Ribbed Belt
Cummins®

Introduction

The Cummins 4937693 V Ribbed Belt is a vital component in commercial trucks, facilitating the transfer of power from the engine to auxiliary components. This ensures the reliable operation of critical systems such as cooling, charging, and hydraulic functions ³.

Basic Concepts of V Ribbed Belts

V Ribbed Belts feature a trapezoidal cross-section that fits snugly into corresponding pulleys, enhancing grip and reducing slippage for efficient power transmission. Constructed from durable materials like rubber and polyester cords, these belts are designed to withstand automotive applications ².

Role of the 4937693 V Ribbed Belt in Truck Operation

This Cummins part connects the engine to various auxiliary components, including the alternator, water pump, power steering pump, and air conditioning compressor. It ensures these components receive the necessary power, supporting vital systems such as electrical charging, engine cooling, steering assistance, and climate control ³.

Key Features

The 4937693 V Ribbed Belt is constructed from high-quality materials, including a robust rubber compound and polyester cords, providing strength and flexibility. Its design incorporates multiple ribs to increase the contact surface area with the pulleys, improving power transmission efficiency. Additionally, it features a unique pattern that reduces noise and vibration, contributing to a smoother operation ¹.

Benefits

This part offers several benefits, including efficient power transmission, durable construction, and reduced noise and vibration. These characteristics enhance the truck’s overall performance, reliability, and driver comfort ³.

Troubleshooting and Maintenance

Common issues with this Cummins part may include wear, cracking, or slippage. Regular inspection for signs of damage or excessive wear is recommended to prevent failure. Maintenance practices such as proper tensioning, alignment checks, and periodic replacement according to the manufacturer’s guidelines can ensure optimal performance and longevity ².

About Cummins

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 strong reputation in the commercial truck industry for producing high-quality, reliable components ³.

Compatibility with Cummins Engines

This belt is compatible with several Cummins engines, including the ISB CM850, ISC CM2150, ISC8.3 CM2250, ISF3.8 CM2220 AN, ISL CM2150, ISL G CM2180, ISL9 CM2250, QSB6.7 CM2250, QSB6.7 CM2350 B105, QSL9 CM2250, and QSL9 CM2350 L102. It ensures that the engine’s accessories receive the necessary power to function correctly, maintaining the engine’s overall efficiency and reliability ³.

Role in Engine Systems

The V Ribbed Belt, specifically part 4937693, is crucial for the synchronization and operation of various engine systems. It transfers rotational force from the engine’s crankshaft to multiple peripheral components, ensuring they operate in harmony ³.

Integration with the Water Pump

The V Ribbed Belt drives the water pump, which circulates coolant through the engine block and cylinder head. This circulation is vital for maintaining optimal engine temperature, preventing overheating, and ensuring efficient engine performance ³.

Functionality in the Front Drive System

In front drive systems, the V Ribbed Belt connects to front-mounted accessories such as the alternator, power steering pump, and air conditioning compressor. Its ribbed design allows it to grip these components effectively, ensuring they receive the necessary power to function correctly ³.

Coordination with Other Drive Components

Beyond the water pump and front drive system, the V Ribbed Belt interacts with other drive components, ensuring that all connected accessories operate synchronously with the engine’s rotational speed. This coordination is essential for the reliable operation of the engine’s ancillary systems, contributing to overall vehicle performance and durability ³.

Conclusion

The Cummins 4937693 V Ribbed Belt is a critical component in the operation of commercial trucks, ensuring the efficient transfer of power to various auxiliary components. Its durable construction, efficient power transmission, and compatibility with multiple Cummins engines make it an essential part for maintaining the reliability and performance of truck operations.