4914774
Cylinder Block
Cummins®

The Cummins 4914774 Cylinder Block is a critical component in heavy-duty truck engines, ensuring efficient engine operation. This part is designed to meet the demanding requirements of heavy-duty applications, providing a robust foundation for the engine’s internal components.

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 the pistons move up and down, and provides a framework for mounting other engine components such as the crankshaft, camshaft, and cylinder heads. The cylinder block contributes to the overall performance and durability of the engine by maintaining structural integrity and facilitating the efficient transfer of power and heat ¹.

Purpose of the Cummins 4914774 Cylinder Block

The Cummins 4914774 Cylinder Block is specifically engineered to enhance the operation of heavy-duty trucks. It plays a role in engine efficiency by providing a stable and precise environment for the pistons and other moving parts. This part contributes to power output by supporting high compression ratios and efficient combustion. Additionally, it enhances engine reliability through its durable construction and precise engineering.

Key Features

The Cummins 4914774 Cylinder Block boasts several key features that enhance its performance and durability. It is constructed from high-quality cast iron, known for its strength and heat dissipation properties. The design includes advanced cooling channels and precise machining to ensure optimal performance. Unique characteristics such as reinforced cylinder walls and improved surface finishes contribute to its longevity and efficiency.

Benefits

Using the Cummins 4914774 Cylinder Block offers several benefits. It contributes to improved engine performance through its precise engineering and high-quality materials. The durable construction increases the engine’s longevity, reducing the need for frequent replacements. Additionally, the enhanced efficiency can lead to potential cost savings over the engine’s lifespan.

Design and Construction

The design and construction of the Cummins 4914774 Cylinder Block involve the use of high-quality cast iron, which provides excellent strength and heat dissipation. The manufacturing process includes precision casting and machining to ensure tight tolerances and smooth surfaces. Innovative features such as integrated cooling channels and reinforced cylinder walls set this part apart from others, enhancing its performance and durability.

Installation Process

Installing the Cummins 4914774 Cylinder Block requires careful attention to detail to ensure proper fit and function. The process involves preparing the engine bay, aligning the cylinder block with the crankshaft and other components, and securing it in place. Special considerations include ensuring proper torque settings for bolts and verifying the alignment of cooling and lubrication passages.

Maintenance and Troubleshooting

Maintaining the Cummins 4914774 Cylinder Block is crucial for ensuring optimal performance and longevity. Regular inspections for signs of wear or damage, such as cracks or warping, are recommended. Common issues include coolant leaks and uneven cylinder wear, which can be addressed through proper maintenance practices such as regular cleaning and inspection. Troubleshooting tips include checking for proper alignment and ensuring all connections are secure.

Performance Enhancements

The Cummins 4914774 Cylinder Block can contribute to performance enhancements in heavy-duty trucks. Its precise engineering and durable construction support increased horsepower and torque. Additionally, the efficient design can lead to improved fuel efficiency, making it a valuable component for enhancing overall engine performance.

Compatibility and Applications

The Cummins 4914774 Cylinder Block is designed to be compatible with various heavy-duty truck models and engine configurations. Its suitability for different operating conditions and applications makes it a versatile choice for fleet managers and maintenance professionals.

Cummins Overview

Cummins Inc. is a renowned manufacturer with a strong reputation in the industry for innovation and quality. The company’s commitment to producing high-performance engine components is evident in the design and construction of the Cummins 4914774 Cylinder Block. Cummins’ history of excellence and dedication to advancing engine technology underscores the reliability and performance of their products ².

Cummins Cylinder Block 4914774 Compatibility

The Cummins Cylinder Block part number 4914774 is designed to fit seamlessly with several engine models, ensuring compatibility and reliability. Here are the engines with which this cylinder block is compatible:

N14 MECHANICAL

The Cummins N14 MECHANICAL engine is a robust and powerful engine often used in heavy-duty applications. The cylinder block part number 4914774 is engineered to integrate smoothly with the N14 MECHANICAL, providing a solid foundation for the engine’s operation.

NH/NT 855

The NH/NT 855 engines are known for their versatility and efficiency, making them suitable for a variety of applications. The cylinder block part number 4914774 is specifically designed to fit these models, ensuring optimal performance and longevity.

QSNT14 CM876 N102

The QSNT14 CM876 N102 engine is another variant where the Cummins Cylinder Block part number 4914774 is applicable. This engine benefits from the precision engineering of the cylinder block, contributing to its overall reliability and efficiency.

By ensuring that the cylinder block part number 4914774 is compatible with these engines, Cummins maintains a high standard of quality and performance across its engine lineup.

Role of Part 4914774 Cylinder Block in Engine Systems

The part 4914774 Cylinder Block is a fundamental component in engine systems, serving as the structural backbone that houses and supports various engine elements. Its design and construction are tailored to ensure optimal performance and durability.

Integration with Engine Components

1. Cylinders: The Cylinder Block contains multiple cylinders, which are the chambers where the combustion process occurs. Each cylinder is bored into the block and is precisely machined to ensure a snug fit for the pistons.

2. Pistons and Connecting Rods: The Cylinder Block provides the necessary passages and bearings for the pistons to move up and down within the cylinders. The connecting rods, which link the pistons to the crankshaft, are also supported by the block through main bearings.

3. Crankshaft: Positioned at the bottom of the Cylinder Block, the crankshaft converts the linear motion of the pistons into rotational motion. The block houses the crankshaft journals and main bearings, ensuring smooth operation.

4. Camshaft: In overhead cam (OHC) engines, the Cylinder Block includes provisions for the camshaft, which operates the valves. In overhead valve (OHV) engines, the block supports the camshaft directly or through a timing chain/belt mechanism.

5. Valve Train: The block integrates with the valve train components, including lifters, pushrods (in OHV engines), and rocker arms. These elements work in concert to open and close the intake and exhaust valves at precise intervals.

6. Cooling System: The Cylinder Block features water jackets—channels through which coolant flows to manage engine temperature. These jackets are crucial for dissipating heat generated during combustion.

7. Oil Gallery: The block contains an oil gallery system that distributes lubricant to critical moving parts, including the crankshaft, camshaft, and valve train, ensuring reduced friction and wear.

8. Intake and Exhaust Manifolds: The Cylinder Block interfaces with the intake and exhaust manifolds, which route air and fuel into the cylinders and expel exhaust gases, respectively.

9. Mounting Points: The block includes various mounting points for attaching ancillary components such as the cylinder head, transmission, and engine accessories.

By seamlessly integrating with these components, the part 4914774 Cylinder Block ensures the engine operates efficiently, maintains structural integrity, and delivers consistent performance.

Conclusion

The Cummins 4914774 Cylinder Block is a vital component in heavy-duty truck engines, providing a robust foundation for efficient engine operation. Its precise engineering, durable construction, and compatibility with various engine models make it a valuable asset for enhancing engine performance and reliability.