3093875
Pin Dowel
Cummins®

The Cummins 3093875 Dowel Pin is a specialized component designed for use in heavy-duty truck applications. Its purpose is to ensure precise alignment and secure fitting of various engine and transmission components. The significance of this part lies in its contribution to the overall efficiency and reliability of the truck’s mechanical systems.

Basic Concepts of Dowel Pins

Dowel pins are cylindrical rods used in mechanical assemblies to align and secure components. They function by fitting into pre-drilled holes in mating parts, ensuring that these parts are correctly positioned relative to each other. This alignment is crucial for the proper operation and longevity of the assembly ¹.

Purpose of the Cummins 3093875 Dowel Pin

The Cummins 3093875 Dowel Pin plays a role in aligning and securing parts within the engine or transmission system of a truck. By ensuring that components are correctly positioned, it helps maintain the integrity of the assembly, which is vital for the smooth operation of the vehicle.

Key Features

The Cummins 3093875 Dowel Pin is characterized by its material composition, typically a durable metal alloy, which provides strength and resistance to wear. Its dimensions are precisely engineered to fit specific applications, and it may feature unique design elements such as chamfered ends to facilitate easy insertion and removal.

Benefits

The use of the Cummins 3093875 Dowel Pin offers several advantages, including improved alignment accuracy, which is crucial for the proper functioning of mechanical assemblies. It also enhances component security, reducing the risk of misalignment or separation during operation. Additionally, the pin can contribute to increased operational efficiency and reliability of the truck’s engine or transmission system ².

Installation Process

Installing the Cummins 3093875 Dowel Pin requires careful attention to ensure correct placement and function. The process typically involves cleaning the mating surfaces, aligning the components, and inserting the dowel pin into the pre-drilled holes. Tools such as a press or hammer may be used to seat the pin securely without damaging the surrounding parts.

Troubleshooting and Maintenance

Common issues with dowel pins include misalignment and wear, which can affect the performance of the assembly. Regular inspection and maintenance can help identify these problems early. Practices such as checking for proper fit, cleaning mating surfaces, and replacing worn pins can prolong the lifespan of the Cummins 3093875 Dowel Pin.

Common Applications

The Cummins 3093875 Dowel Pin is typically used in various heavy-duty truck applications, including specific engine models and transmission systems. Its role in these applications is to ensure the accurate alignment and secure fitting of components, contributing to the overall performance and durability of the truck.

Manufacturer Overview - Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration systems, and related components. With a strong reputation in the heavy-duty truck industry, Cummins is known for its commitment to quality, innovation, and customer satisfaction. The company’s extensive product range and long-standing history in the industry underscore its authority and expertise in providing reliable and high-performance parts like the Cummins 3093875 Dowel Pin.

Dowel Pin 3093875 Compatibility with Cummins Engines

The Dowel Pin 3093875, manufactured by Cummins, is a critical component that ensures proper alignment and stability within various engine configurations. This part is specifically designed to fit seamlessly within the engine families that include the QST30 CM2350 T101 and QST30 CM552 engines.

For the QST30 CM2350 T101 engine, the dowel pin plays a pivotal role in maintaining the precise alignment of moving parts, ensuring that the engine operates smoothly and efficiently. Its application in this engine model is crucial for the integrity of the engine’s internal mechanisms.

Similarly, in the QST30 CM552 engine, the dowel pin 3093875 is integral to the engine’s design. It ensures that the various components are correctly aligned, which is essential for the engine’s performance and longevity. The precision of this part is vital in preventing misalignment that could lead to increased wear and potential engine failure.

Both engine models benefit from the use of this dowel pin, as it is a key component in the assembly process, ensuring that the engine’s components are held in the correct position during operation. This part’s compatibility with these engines underscores its importance in maintaining the overall functionality and reliability of the engine systems.

Role of Part 3093875 Dowel Pin in Engine Components

The part 3093875 Dowel Pin is integral to the precise alignment and secure fitting of various engine components. Its application ensures that parts are correctly positioned relative to one another, which is essential for the engine’s performance and longevity.

Block and Cylinder

In the block and cylinder assembly, the Dowel Pin facilitates the accurate alignment of the cylinder block with the engine block. This alignment is necessary to maintain the structural integrity and operational efficiency of the engine. Proper positioning prevents undue stress on the components and ensures smooth operation.

Cam Follower Assembly

Within the cam follower assembly, the Dowel Pin plays a role in aligning the cam followers with the camshaft. This alignment is vital for the proper functioning of the valve train, ensuring that the valves open and close at the correct times in synchronization with the piston’s movement.

Drain and Remote Oil System

For the drain and remote oil system components, the Dowel Pin ensures that oil passages and fittings are correctly aligned. This alignment is important for maintaining the oil flow necessary for lubrication and cooling of engine parts, which is essential for preventing wear and maintaining optimal engine temperature.

Flywheel Housing

In the flywheel housing, the Dowel Pin assists in aligning the housing with the engine block. This alignment is necessary for the proper engagement of the flywheel with the crankshaft, which is essential for the transmission of power from the engine to the drivetrain.

Lever and Rocker Assemblies

For the lever and rocker assemblies, including the rocker (top-level assembly) lever, rocker lever, and rocker lever support, the Dowel Pin ensures that these components are correctly positioned in relation to the camshaft and valve stems. This precise alignment is necessary for the efficient transfer of motion from the camshaft to the valves, which is critical for the engine’s combustion process.

Overall, the Dowel Pin’s role in these components underscores its importance in maintaining the engine’s structural integrity and operational efficiency.

Conclusion

The Cummins 3093875 Dowel Pin is a critical component in heavy-duty truck applications, ensuring precise alignment and secure fitting of engine and transmission components. Its role in maintaining the structural integrity and operational efficiency of the engine is underscored by its application in various engine components, including the block and cylinder assembly, cam follower assembly, drain and remote oil system, flywheel housing, and lever and rocker assemblies. Regular maintenance and proper installation are essential to maximize the benefits of this part and ensure the longevity and reliability of the truck’s mechanical systems.