3936136
Accessory Drive Gear
Cummins®

The Accessory Drive Gear 3936136, manufactured by Cummins, is a component integral to the operation of commercial trucks. Cummins, a well-established name in the automotive industry, is known for its robust and reliable engine components. This part is designed to enhance the functionality and efficiency of truck engines, playing a significant role in their overall performance.

Basic Concepts of Accessory Drive Gear

An Accessory Drive Gear is a component within the engine system that facilitates the operation of various auxiliary systems. It typically connects to the engine’s crankshaft and transfers power to other components such as the alternator, water pump, and air conditioning compressor. This gear ensures that these systems receive the necessary power to function correctly, thereby contributing to the engine’s overall efficiency and performance ¹.

Purpose of Accessory Drive Gear 3936136

The Accessory Drive Gear 3936136 is specifically designed to support and enhance the operation of a truck’s engine. It plays a role in driving various auxiliary systems, ensuring they receive the power needed for optimal performance. By efficiently transferring power from the engine to these systems, it contributes to the truck’s overall operational efficiency and reliability ².

Key Features

The Accessory Drive Gear 3936136 is characterized by several key features that distinguish it from other models. It is constructed from high-quality materials, ensuring durability and longevity. The design incorporates precise engineering to ensure smooth operation and minimal wear. Additionally, it features a unique tooth profile that enhances power transmission efficiency and reduces the risk of slippage.

Benefits

The Accessory Drive Gear 3936136 offers several benefits to the truck’s engine system. Its high-quality construction and precise design contribute to improved efficiency and durability. By ensuring reliable power transmission to auxiliary systems, it enhances the overall performance of the engine. Furthermore, its robust build reduces the need for frequent replacements, providing long-term value to truck operators ³.

Installation Process

Installing the Accessory Drive Gear 3936136 requires careful attention to detail. Begin by ensuring the engine is turned off and cooled down. Use the appropriate tools to remove the old gear, taking care not to damage surrounding components. Align the new gear with the crankshaft and secure it in place. Finally, double-check all connections and ensure the gear is properly installed before restarting the engine.

Common Issues and Troubleshooting

Common issues with the Accessory Drive Gear 3936136 may include wear and tear, misalignment, or damage from debris. If the gear shows signs of wear, it may need to be replaced. Misalignment can often be corrected by readjusting the gear or ensuring it is properly installed. In cases of damage from debris, cleaning the area and inspecting for further damage is recommended.

Maintenance Tips

Regular maintenance is key to ensuring the longevity and optimal performance of the Accessory Drive Gear 3936136. Inspect the gear regularly for signs of wear or damage. Keep the area clean and free from debris that could cause damage. Additionally, ensure all connections are secure and that the gear is properly aligned to prevent issues during operation.

Cummins: A Brief 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. Their product range includes engines, powertrains, and related components, all designed to meet the demanding needs of commercial applications.

Accessory Drive Gear 3936136 Compatibility with Cummins Engines

The Accessory Drive Gear part number 3936136, manufactured by Cummins, is designed to fit a variety of Cummins engines. This part is integral in ensuring the smooth operation of engine accessories such as the alternator, water pump, and air conditioning compressor. Below is a detailed breakdown of the engines with which this accessory drive gear is compatible:

4B3.9 Series

• QSB3.9 30 CM550
• QSB3.9 CM2880 B138

5.9 Liter Series

• 6B5.9
• B5.9 CM2670 B166C
• B5.9 G
• B5.9 GAS PLUS CM556
• QSB5.9 30 CM550
• QSB5.9 44 CM550
• QSB5.9 CM2880 B139

6C8.3 Series

• 6C8.3
• C8.3 G
• QSC8.3 CM554
• QSC8.3 CM850 (CM2850)

8.3 Liter Series

• QSC8.3 CM554
• QSC8.3 CM850 (CM2850)

8.9 Liter Series

• QSL8.9 CM2150 L141

9 Liter Series

• QSC9 CM2250 / QSL9 CM2250
• QSL9 CM2350 L102
• QSL9 CM554
• QSL9 CM850 (CM2850)

Other Series

• ISB CM550
• ISC CM554
• ISL CM554
• C GAS PLUS CM556

This accessory drive gear is engineered to meet the specific requirements of each engine model, ensuring compatibility and reliability. It is crucial to verify the part number and specifications when replacing or servicing engine components to maintain optimal engine performance.

Role of Accessory Drive Gear (Part 3936136) in Engine Systems

The Accessory Drive Gear (Part 3936136) is integral to the efficient operation of various engine components. It facilitates the transfer of mechanical power from the engine to auxiliary systems, ensuring seamless functionality.

Drive System Integration

In the drive system, the Accessory Drive Gear is responsible for transmitting rotational force. This gear meshes with the front gear train accessory, allowing for the distribution of power to multiple engine accessories. Its precise engagement ensures that the accessories receive consistent and reliable power, which is essential for their operation.

Front Gear Train Accessory

The front gear train accessory relies on the Accessory Drive Gear to maintain its operational integrity. This accessory is often part of a larger gear train that drives various engine components. The Accessory Drive Gear’s role here is to ensure that the front gear train accessory operates within its designed parameters, contributing to the overall efficiency of the engine.

Front Gear Train Accessory Drive

When considering the front gear train accessory drive, the Accessory Drive Gear plays a supporting role by providing the necessary mechanical advantage. This ensures that the front gear train accessory drive can perform its function without undue stress or wear, prolonging the lifespan of the component.

Hydraulic Pump Adapter

In systems that incorporate a hydraulic pump adapter, the Accessory Drive Gear is vital. It transfers power from the engine to the hydraulic pump, enabling the pump to generate the necessary hydraulic pressure. This pressure is crucial for operating hydraulic systems within the engine, such as variable valve timing or fuel injection systems.

Hydraulic Pump Adapter Kit

For installations that require a hydraulic pump adapter kit, the Accessory Drive Gear ensures that all components within the kit function harmoniously. It provides the required drive force to the hydraulic pump, which is often a key component of the kit, ensuring that the hydraulic systems operate efficiently.

Hydraulic Pump Drive

The hydraulic pump drive system benefits significantly from the Accessory Drive Gear. By providing a consistent and reliable drive force, it allows the hydraulic pump to maintain optimal performance. This is particularly important in engines where hydraulic systems play a significant role in performance and efficiency.

Mounting and Front Gear Train Accessory

Finally, the mounting of the front gear train accessory is influenced by the Accessory Drive Gear. Proper alignment and secure mounting are essential for the front gear train accessory to function correctly. The Accessory Drive Gear ensures that the accessory is driven efficiently, reducing the risk of misalignment or excessive wear.

Conclusion

The Accessory Drive Gear 3936136 is a critical component in the efficient operation of commercial truck engines. Its role in transferring power to auxiliary systems ensures that these systems function optimally, contributing to the overall performance and reliability of the engine. Regular maintenance and proper installation are essential to maximize the benefits of this Cummins part.