4901142
Cylinder Block
Cummins®

The Cummins 4901142 Cylinder Block is a vital component in heavy-duty truck engines, contributing significantly to the overall performance and durability of the engine assembly. This part is engineered to withstand the demanding conditions of heavy-duty applications, ensuring reliable operation and efficiency.

Basic Concepts of a Cylinder Block

A cylinder block, or engine block, serves as the structural foundation of an internal combustion engine. It houses the cylinders, where the pistons move up and down, and integrates with other critical components such as the crankshaft, pistons, and cylinder head. The primary functions of a cylinder block include providing a sturdy framework for the engine, facilitating the combustion process, and managing the flow of coolant and lubricants ¹.

Purpose of the Cummins 4901142 Cylinder Block

This Cummins part plays a specific role in the operation of a truck engine by supporting the combustion process and contributing to engine performance and durability. It is designed to accommodate high levels of stress and thermal loads, ensuring consistent power output and longevity in heavy-duty applications.

Key Features

The 4901142 boasts several key features that enhance its functionality. These include a robust material composition, typically cast iron or aluminum, which provides excellent strength and heat dissipation. The design elements incorporate precise machining for optimal cylinder bore finish and alignment, ensuring smooth piston operation. Additionally, the block may feature advanced cooling passages and structural reinforcements to improve thermal management and durability ².

Benefits

This part offers numerous benefits, including improved engine efficiency, enhanced longevity, and increased reliability. Its design allows for better heat distribution, reducing the risk of overheating and thermal stress. The robust construction ensures it can withstand the rigors of heavy-duty use, contributing to the overall durability of the engine.

Design and Construction

The design and construction of the 4901142 involve the use of high-quality materials and advanced manufacturing processes. Cast iron or aluminum alloys are commonly used for their strength and thermal properties. The manufacturing process includes precision casting, machining, and quality control measures to ensure dimensional accuracy and structural integrity. Innovative technologies such as computer-aided design (CAD) and finite element analysis (FEA) may be employed to optimize the block’s performance and durability ³.

Integration with Other Engine Components

The 4901142 interacts with various engine components to ensure seamless operation. It houses the cylinders where the pistons move, and it aligns with the crankshaft to transfer power. The cylinder head sits atop the block, sealing the combustion chambers and allowing for the intake and exhaust of gases. Proper integration with these components is crucial for efficient engine performance.

Performance Characteristics

The performance characteristics of the 4901142 include high power output, effective thermal management, and superior vibration control. Its design allows for optimal combustion efficiency, contributing to the engine’s overall power and torque. Advanced cooling passages and structural features help manage heat and reduce vibrations, ensuring smooth and reliable operation.

Troubleshooting and Maintenance

To maintain optimal performance and longevity of the 4901142, regular maintenance and troubleshooting are necessary. Common issues may include coolant leaks, cylinder bore wear, and warping due to thermal stress. Maintenance tips include regular inspections for cracks or damage, ensuring proper coolant levels and quality, and following manufacturer-recommended service intervals. Addressing issues promptly can prevent more significant problems and extend the block’s service life.

Cummins Corporation

Cummins Corporation is a renowned leader in the engine manufacturing industry, with a rich history of innovation and quality. Founded in 1919, Cummins has built a reputation for producing reliable and high-performance engines for a variety of applications, including heavy-duty trucks. The company is committed to advancing engine technology and maintaining high standards of quality and customer satisfaction.

Cummins Cylinder Block 4901142 Compatibility

The Cummins Cylinder Block part number 4901142 is a critical component in several engine configurations. This part is designed to provide a robust foundation for the engine’s internal components, ensuring durability and performance. Here is a detailed look at the engines that are compatible with this cylinder block:

A2300 Engine Family

The Cummins A2300 engine family is known for its versatility and reliability in various applications. The 4901142 cylinder block is integral to the following engines within this family:

• A2300-10: This engine is often used in agricultural and industrial applications. The 4901142 cylinder block ensures the engine’s internal components are securely housed, providing a stable base for high-performance operation.
• A2300-20: Designed for heavy-duty applications, this engine benefits from the 4901142 cylinder block’s strength and durability. It is particularly suited for environments where reliability and longevity are paramount.
• A2300-30: This engine variant is engineered for demanding conditions, such as construction and mining. The 4901142 cylinder block’s precision engineering supports the engine’s high-stress operations, ensuring consistent performance.

Grouping by Application

The 4901142 cylinder block is not limited to a single engine model but is also compatible with various other engines across different applications. Here is a grouping based on typical use cases:

• Industrial Engines: The 4901142 cylinder block is a staple in industrial engines, providing a reliable foundation for heavy machinery and equipment. Its compatibility with multiple engine models ensures that it can be used across a wide range of industrial applications.
• Agricultural Engines: In agricultural settings, the 4901142 cylinder block is essential for powering tractors and other farming equipment. Its durability and performance make it a preferred choice for agricultural machinery.
• Construction Engines: For construction equipment, the 4901142 cylinder block’s strength and reliability are crucial. It supports the high-stress operations typical in construction environments, ensuring that engines perform consistently under heavy loads.

By understanding the compatibility of the Cummins Cylinder Block 4901142 with various engines, users can ensure they are selecting the right components for their specific needs. This compatibility extends across different engine families and applications, making it a versatile choice for many industries.

Understanding the Integration of Part 4901142 Cylinder Block in Engine Systems

The part 4901142 Cylinder Block is a fundamental component in the architecture of an engine, providing a sturdy framework that houses and supports various engine components. Its design and placement are integral to the efficient operation of the engine.

Core Functions and Interactions

1. Housing the Cylinders: The primary role of the Cylinder Block is to house the cylinders, which are the chambers where the combustion of fuel occurs. Each cylinder is bored into the block and is fitted with a piston that moves up and down in response to the combustion process.

2. Supporting the Crankshaft: The Cylinder Block supports the crankshaft, which is a critical component that converts the linear motion of the pistons into rotational motion. The crankshaft is mounted on main bearings within the block, allowing it to rotate smoothly and efficiently.

3. Coolant Passages: Integrated within the Cylinder Block are coolant passages that help regulate the engine’s temperature. These passages allow coolant to flow around the cylinders and other critical components, dissipating heat and preventing overheating.

4. Oil Galleries: The block also contains oil galleries that distribute lubrication to various moving parts within the engine. This ensures that components such as the crankshaft, pistons, and bearings operate smoothly and with minimal friction.

5. Mounting Points for Ancillary Components: The Cylinder Block serves as the mounting point for several ancillary components, including the cylinder head, which houses the valves and spark plugs, and the sump, which collects and stores oil for lubrication.

6. Alignment with the Transmission: The block is designed to align precisely with the transmission, allowing for the smooth transfer of power from the engine to the drivetrain. This alignment is crucial for the overall performance and efficiency of the vehicle.

7. Integration with the Engine Mounts: The Cylinder Block is secured to the vehicle’s chassis via engine mounts. These mounts not only hold the engine in place but also help absorb vibrations, ensuring a smoother ride and reducing wear on the engine components.

In summary, the part 4901142 Cylinder Block is a central component that interacts with and supports a wide array of engine systems, ensuring the engine operates efficiently and effectively.

Conclusion

The Cummins 4901142 Cylinder Block is a critical component in heavy-duty truck engines, providing a robust foundation for the engine’s internal components. Its design and construction ensure durability, performance, and efficient operation. Understanding its key features, benefits, and integration with other engine components is essential for maintaining optimal engine performance and longevity.