3967610
Accessory Drive Gear
Cummins®

The Cummins 3967610 Accessory Drive Gear 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. This gear ensures that essential systems within the truck, such as the alternator, water pump, and compressor, receive the necessary power to function correctly.

Basic Concepts of Accessory Drive Gear

An Accessory Drive Gear is a mechanical component that transmits power from the engine to auxiliary systems within a vehicle. It operates by engaging with a drive belt or chain, which in turn drives accessories that are vital for the engine’s operation and the vehicle’s overall functionality. The Accessory Drive Gear interacts with other components such as the crankshaft, camshaft, and various pulleys to ensure a synchronized operation of the engine’s accessories ¹.

Purpose of the 3967610 Accessory Drive Gear

The Cummins 3967610 Accessory Drive Gear is specifically designed to drive accessories in commercial trucks. Its role involves transferring rotational force from the engine to components like the alternator, which generates electrical power; the water pump, which circulates coolant through the engine; and the compressor, which is part of the air conditioning system. By ensuring these accessories receive the necessary power, the 3967610 Accessory Drive Gear contributes to the efficient and reliable operation of the truck ².

Key Features

The Cummins 3967610 Accessory Drive Gear is characterized by its robust design and the use of high-quality materials, which enhance its performance and durability. It is engineered to withstand the demanding conditions of commercial truck operations, ensuring long-term reliability. Unique characteristics of this gear include precision machining for optimal fit and function, and a design that minimizes noise and vibration during operation ³.

Benefits

The Cummins 3967610 Accessory Drive Gear offers several benefits, including improved efficiency in power transmission, enhanced reliability under demanding conditions, and compatibility with Cummins engines. Its design and construction contribute to the overall performance and longevity of the truck’s engine system, making it a valuable component for commercial truck operators ⁴.

Installation Considerations

Proper installation of the Cummins 3967610 Accessory Drive Gear is important for its effective operation. It is recommended to follow manufacturer guidelines for installation, which may include specific torque settings for fasteners and the use of appropriate tools. Ensuring the gear is correctly aligned and securely fastened will help prevent issues such as slippage or failure, contributing to the truck’s reliable operation.

Troubleshooting Common Issues

Common issues with the Cummins 3967610 Accessory Drive Gear may include noise, vibration, or a decrease in the performance of driven accessories. Troubleshooting steps may involve inspecting the gear for signs of wear or damage, checking the alignment and tension of the drive belt or chain, and ensuring all fasteners are securely tightened. Addressing these issues promptly can help maintain the efficiency and reliability of the truck’s engine system.

Maintenance Tips

Maintaining the Cummins 3967610 Accessory Drive Gear is important for ensuring its optimal performance and longevity. Regular inspection for signs of wear or damage, proper lubrication of moving parts, and adherence to recommended replacement schedules are key maintenance practices. These steps help prevent unexpected failures and contribute to the overall reliability of the truck’s engine system.

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, reliability, and innovation in the commercial truck industry. The company’s product range includes engines, powertrains, and related components, all designed to meet the demanding requirements of commercial vehicle operators worldwide.

Accessory Drive Gear 3967610 Compatibility with Cummins Engines

The Accessory Drive Gear 3967610, manufactured by Cummins, is a crucial component designed to interface with a range of Cummins engines. This part is engineered to ensure seamless operation and efficiency in various engine configurations. Below is a detailed overview of its compatibility with specific engine models:

Compatible Engines

• 4B3.9
• 6B5.9
• 6C8.3
• B5.9 G
• C GAS PLUS CM556
• C8.3 G

Grouping of Compatible Engines

Group 1: 4B3.9 and 6B5.9

The Accessory Drive Gear 3967610 is compatible with the 4B3.9 and 6B5.9 engines. These engines are part of Cummins’ lineup, known for their robust performance and reliability. The gear is designed to fit precisely, ensuring that the accessory drive system operates without any hitches.

Group 2: 6C8.3 and C8.3 G

The Accessory Drive Gear 3967610 also fits the 6C8.3 and C8.3 G engines. These engines are recognized for their efficiency and power, making them suitable for various applications. The gear’s design ensures it aligns perfectly with the engine’s specifications, facilitating smooth operation.

Group 3: B5.9 G and C GAS PLUS CM556

Lastly, the Accessory Drive Gear 3967610 is compatible with the B5.9 G and C GAS PLUS CM556 engines. These engines are part of Cummins’ extensive range, offering a blend of performance and durability. The gear is engineered to match the unique requirements of these engines, ensuring optimal functionality.

By ensuring compatibility with these engines, the Accessory Drive Gear 3967610 provides a reliable solution for maintaining the accessory drive system’s integrity across different engine models.

Accessory Drive Gear (Part 3967610) Functionality in Engine Systems

The Accessory Drive Gear, identified by part number 3967610, is an integral component in the efficient operation of various engine systems. This gear is responsible for transmitting power from the engine’s crankshaft to auxiliary components, ensuring they operate in sync with the engine’s performance.

Compressor Systems

In compressor systems, the Accessory Drive Gear plays a significant role. It drives the compressor, which is essential for maintaining the correct air pressure within the system. The gear ensures that the compressor operates at the optimal speed, allowing for efficient air compression. This, in turn, supports the overall performance of the engine by providing the necessary compressed air for various functions, such as fuel injection and pneumatic systems.

Air Systems

Within air systems, the Accessory Drive Gear is similarly important. It powers components like the air pump, which is vital for maintaining the air supply needed for combustion and other engine functions. The gear ensures that the air pump runs smoothly and consistently, contributing to the engine’s reliability and efficiency. Proper air circulation is essential for optimal engine performance, and the Accessory Drive Gear helps achieve this by ensuring the air pump operates at the required speed.

Conclusion

In summary, the Accessory Drive Gear (part 3967610) is a key component in driving essential auxiliary systems within engine operations. Its role in powering the compressor and air systems underscores its importance in maintaining the overall functionality and performance of the engine.