3647094
Engine Crankshaft
Cummins®

The Cummins 3647094 Engine Crankshaft is a vital component in the operation of commercial trucks. It serves as the backbone of the engine, facilitating the conversion of linear piston motion into rotational motion. This crankshaft is engineered to withstand the demanding conditions of heavy-duty truck engines, ensuring reliable performance and durability ¹.

Basic Concepts of Engine Crankshafts

An engine crankshaft is a mechanical part found in internal combustion engines. Its primary role is to convert the linear motion of the pistons into rotational motion, which is then used to drive the transmission and other engine components. This conversion is achieved through a series of crankpins and connecting rods that are precisely engineered to maintain balance and efficiency ².

Purpose of the Cummins 3647094 Engine Crankshaft

The Cummins 3647094 Engine Crankshaft plays a specific role in the operation of a truck engine. It is responsible for converting the reciprocating motion of the pistons into rotational motion. This motion is crucial for driving the transmission, which in turn powers the truck. Additionally, the crankshaft helps in maintaining the engine’s balance, reducing vibrations, and ensuring smooth operation ³.

Key Features

The Cummins 3647094 Engine Crankshaft is designed with several key features that enhance its performance and durability. It is constructed from high-quality materials, ensuring it can withstand the high stresses and temperatures encountered in heavy-duty applications. The crankshaft features a balanced design to minimize vibrations and a precision-machined surface to ensure smooth operation. Additionally, it includes counterweights and fillets that contribute to its structural integrity and performance.

Benefits

The Cummins 3647094 Engine Crankshaft offers several benefits that contribute to the overall efficiency and reliability of the engine. Its robust design and high-quality materials result in improved engine efficiency, allowing for better fuel economy. The crankshaft’s durability ensures long-term reliability, reducing the need for frequent replacements. Furthermore, its precise engineering contributes to the engine’s longevity, providing consistent performance over extended periods.

Installation and Integration

Installing the Cummins 3647094 Engine Crankshaft requires careful attention to detail to ensure proper integration into the truck engine. The installation process involves aligning the crankshaft with the engine block, ensuring that all connecting rods and bearings are correctly positioned. It is important to follow manufacturer guidelines to avoid damage during installation. Additionally, the crankshaft must be properly balanced and aligned to ensure optimal performance and reduce the risk of premature wear.

Maintenance and Care

Maintaining the Cummins 3647094 Engine Crankshaft is crucial for ensuring its longevity and performance. Regular inspection intervals should be observed to check for signs of wear or damage. Proper lubrication is essential to reduce friction and wear on the crankshaft journals and bearings. Additionally, following recommended maintenance practices, such as using high-quality lubricants and performing routine checks, will help maintain the crankshaft’s condition and ensure optimal engine performance.

Troubleshooting Common Issues

Common problems associated with engine crankshafts include wear, imbalance, and failure. Wear can occur due to insufficient lubrication or high operating temperatures, leading to increased friction and damage. Imbalance may result from manufacturing defects or uneven wear, causing vibrations and reduced performance. Failure can happen due to material fatigue or severe operating conditions. Troubleshooting steps include inspecting for visible damage, checking lubrication levels, and performing a balance test to identify and address these issues.

Cummins Overview

Cummins Inc. is a renowned manufacturer in the commercial truck industry, known for its commitment to quality and innovation in engine component manufacturing. With a rich history of producing reliable and high-performance engines, Cummins has established a strong reputation for excellence. The company’s dedication to research and development ensures that its products, including the Cummins 3647094 Engine Crankshaft, meet the demanding requirements of heavy-duty applications.

Cummins Engine Crankshaft 3647094 Compatibility

The Cummins Engine Crankshaft part number 3647094 is a critical component designed to fit seamlessly within a variety of Cummins engines. This crankshaft is engineered to ensure optimal performance and durability across multiple engine models.

QSK45 Engine Family

The QSK45 engine series, including models such as the QSK45 CM500, is known for its robust design and high power output. The crankshaft part 3647094 is specifically tailored to integrate with these engines, providing the necessary strength and precision to handle the demanding conditions of heavy-duty applications. The QSK45 engines are widely used in marine, power generation, and industrial sectors, where reliability and performance are paramount.

CM500 Engine

The CM500 engine is another variant within the Cummins lineup where the crankshaft 3647094 is applicable. This engine is designed for applications requiring high power and efficiency. The crankshaft part 3647094 ensures that the engine operates smoothly, maintaining balance and reducing vibrations, which is crucial for the longevity and performance of the engine.

Grouping of Engines

The compatibility of the crankshaft part 3647094 extends across several Cummins engine models, making it a versatile component. The QSK45 series and the CM500 engine, while distinct in their applications, share common design principles that allow this crankshaft to fit effectively. This compatibility is due to the standardized engineering practices Cummins employs, ensuring that parts like the crankshaft are interchangeable within specified engine families.

Role of Part 3647094 Engine Crankshaft in Engine Systems

The engine crankshaft, specifically part 3647094, is integral to the operation of the cylinder block and the overall engine system. It is responsible for converting the linear motion of the pistons into rotational motion, which is then transmitted to the transmission system and ultimately to the wheels in automotive applications.

Within the cylinder block, the crankshaft is housed in main bearings that allow it to rotate smoothly. As the pistons move up and down due to combustion, they are connected to the crankshaft via connecting rods. Each connecting rod is attached to a crankpin on the crankshaft, ensuring that the motion of the pistons is efficiently transferred.

The crankshaft’s rotation is consistent and balanced, which is essential for the smooth operation of the engine. It interacts with the flywheel, which helps to stabilize the engine’s rotation and stores rotational energy to assist in the engine’s operation between power strokes.

Additionally, the crankshaft is connected to the camshaft through a timing belt or chain. This connection ensures that the valve timing is synchronized with the piston’s movement, allowing for optimal air-fuel mixture intake and exhaust processes.

In summary, part 3647094 engine crankshaft is a fundamental component that ensures the efficient and synchronized operation of the cylinder block and other interconnected engine systems.

Conclusion

The Cummins 3647094 Engine Crankshaft is a critical component in the operation of commercial trucks, ensuring reliable performance and durability. Its robust design, high-quality materials, and precise engineering contribute to the overall efficiency and reliability of the engine. Proper installation, maintenance, and troubleshooting are essential for maximizing the lifespan and performance of this Cummins part.