4950340
Cylinder Block
Cummins®

The Cummins 4950340 Cylinder Block is a vital component in heavy-duty trucks, playing a significant role in engine operation. This part is integral to the engine’s structure and functionality, ensuring efficient and reliable performance in demanding applications.

Basic Concepts of a Cylinder Block

A cylinder block, or engine block, is the main structure of an internal combustion engine. It houses the cylinders, where combustion occurs, and provides a mounting surface for other critical components such as the crankshaft, pistons, and cylinder heads. The block’s primary functions include supporting the engine’s moving parts, maintaining the precise alignment of components, and facilitating the flow of coolant and lubricants. Commonly, cylinder blocks are constructed from cast iron or aluminum alloys. Cast iron is known for its durability and excellent heat dissipation properties, while aluminum offers a lighter weight and good thermal conductivity ¹.

Purpose of the 4950340 Cylinder Block

The Cummins 4950340 Cylinder Block is designed to house the engine’s cylinders, where the combustion process takes place. It supports the crankshaft, pistons, and other moving parts, ensuring they operate in harmony. The block also integrates with the cylinder heads, intake and exhaust manifolds, and cooling system components. By providing a robust and stable foundation, the 4950340 Cylinder Block plays a role in facilitating efficient combustion and supporting the overall engine structure.

Key Features

The Cummins 4950340 Cylinder Block features a robust design that enhances its performance and durability. Constructed from high-quality materials, it offers excellent resistance to wear and thermal stress. The block’s precise engineering ensures optimal alignment of engine components, contributing to smooth operation and efficient power delivery. Additionally, it incorporates advanced cooling channels and lubrication passages to maintain optimal operating temperatures and reduce friction.

Benefits

Using the Cummins 4950340 Cylinder Block offers several benefits, including improved engine efficiency, durability, and reliability. Its robust construction and precise engineering contribute to enhanced performance and longevity. The block’s efficient cooling and lubrication systems help maintain optimal operating conditions, reducing the risk of overheating and component failure. These factors collectively contribute to overall truck performance, ensuring reliable operation in various applications.

Troubleshooting and Maintenance

Regular maintenance practices are vital to ensuring the longevity and optimal performance of the Cummins 4950340 Cylinder Block. Common issues may include coolant leaks, oil leaks, and cylinder wear. Routine inspections and timely repairs can prevent these problems from escalating. Signs of wear may include unusual engine noises, decreased performance, and visible damage to the block or associated components. Adhering to manufacturer-recommended maintenance schedules and using high-quality replacement parts can help mitigate potential issues ².

Installation and Compatibility

Proper installation of the Cummins 4950340 Cylinder Block is crucial for ensuring optimal performance and longevity. The installation process involves careful alignment with other engine components, secure fastening, and adherence to torque specifications. Compatibility with various truck models and engine types should be verified to ensure seamless integration. Following manufacturer guidelines during installation helps prevent issues such as misalignment, leaks, and component failure.

Performance Enhancements

The Cummins 4950340 Cylinder Block contributes to engine performance enhancements by providing a stable and efficient platform for combustion and component operation. Its robust design and precise engineering help achieve higher power output, better fuel efficiency, and reduced emissions. The block’s advanced cooling and lubrication systems play a role in maintaining optimal operating conditions, further enhancing engine performance and reliability.

Cummins Overview

Cummins Inc. is a renowned leader in the automotive industry, with a rich history of innovation, quality, and customer satisfaction. The company is committed to developing advanced engine technologies that deliver superior performance, efficiency, and reliability. Cummins’ reputation for excellence is built on a foundation of rigorous testing, continuous improvement, and a dedication to meeting the evolving needs of its customers.

Cummins Cylinder Block Part 4950340 Compatibility

The Cummins Cylinder Block part number 4950340 is a critical component in various engine configurations. This part is designed to fit seamlessly into the K19 engine family, ensuring robust performance and reliability.

K19 Engine Family

The K19 engine series is renowned for its durability and efficiency, making it a popular choice in various applications. The cylinder block part 4950340 is engineered to integrate perfectly with the K19 engines, providing a solid foundation for the engine’s operation.

Specific Fitments

• K19-C325: This engine variant benefits from the 4950340 cylinder block, which supports its high-power output and durability.
• K19-C380: The 4950340 cylinder block is also compatible with the K19-C380, ensuring optimal performance in demanding applications.
• K19-C440: This high-performance engine is another beneficiary of the 4950340 cylinder block, which provides the necessary strength and stability for its operation.

The Cummins Cylinder Block part 4950340 is a versatile component that enhances the performance and longevity of the K19 engine family. Its design ensures a precise fit, facilitating smooth engine operation and maintenance.

Understanding the Integration of Part 4950340 Cylinder Block in Engine Systems

Part 4950340, the Cylinder Block, is a fundamental component in the architecture of an engine system. Its role is to house and align the cylinders, pistons, and other integral parts, ensuring the smooth operation of the engine.

Integration with the Cylinder and Block Components

The Cylinder Block, denoted as part 4950340, interfaces directly with the cylinders, which are essential for the combustion process. Each cylinder within the block is meticulously machined to ensure precise fitment for the pistons. The block’s design allows for the efficient transfer of power from the combustion process to the crankshaft via the connecting rods.

Functionality within the K6 Short Block

In the context of the K6 Short Block, the Cylinder Block serves as the backbone. It supports the crankshaft, which is journaled within the block, and facilitates the reciprocating motion of the pistons. The block’s structure is engineered to withstand the high pressures and temperatures generated during engine operation, ensuring durability and reliability.

Role in the KTTA-19C Short Block Configuration

For the KTTA-19C Short Block, the Cylinder Block is integral to the engine’s performance. It not only supports the crankshaft and pistons but also houses the water jackets for coolant circulation, which is vital for maintaining optimal operating temperatures. The block’s design in this configuration often includes provisions for turbocharging, enhancing the engine’s power output.

Interaction with Base and Other Parts

The Cylinder Block also interacts with the engine’s base, which is typically the lowermost part of the engine structure. This interaction is crucial for the block’s stability and alignment within the engine bay. Additionally, the block interfaces with various other parts such as the cylinder head, which sits atop the block, and the oil pan, which is usually attached to the bottom of the block for lubrication purposes.

Conclusion

In summary, the Cummins 4950340 Cylinder Block is a pivotal element in the engine’s structure, facilitating the interaction between numerous components and contributing to the engine’s overall functionality and performance. Its robust design, precise engineering, and compatibility with various engine configurations make it a critical component for ensuring reliable and efficient engine operation.