4982117
Cylinder Block
Cummins®

Introduction

The Cummins 4982117 Cylinder Block is a critical component in heavy-duty truck engines, manufactured by Cummins Inc. This cylinder block is engineered to meet the demanding requirements of commercial trucking, offering robust performance and durability. Cummins Inc., a renowned name in the engine manufacturing industry, ensures that this component adheres to high standards of quality and reliability ¹.

Basic Concepts of a Cylinder Block

A cylinder block, often referred to as an engine block, is the foundational structure that houses the cylinders in an internal combustion engine. Its primary functions include providing a rigid framework for the engine, supporting the cylinder bores where the pistons move, and integrating with other critical components such as the crankshaft, pistons, and cylinder head. The cylinder block also contains passages for coolant and oil, which help manage engine temperature and lubrication ².

Purpose of the 4982117 Cylinder Block

The 4982117 Cylinder Block plays a significant role in the operation of heavy-duty trucks. It supports the engine’s mechanical components, ensuring smooth and efficient operation. The block’s design contributes to the engine’s overall performance by providing a stable environment for the pistons to move, facilitating efficient combustion, and supporting the crankshaft. Its robust construction enhances the engine’s durability, allowing it to withstand the rigors of heavy-duty applications ³.

Key Features

This Cummins part is characterized by several specific design and construction features. It is made from high-quality cast iron, known for its strength and durability. The block includes precisely machined cooling passages that help manage engine temperature by circulating coolant. The cylinder bores are configured to provide optimal performance, with honing that ensures a proper fit for the piston rings. Additionally, the block is designed to integrate seamlessly with other engine components, ensuring a cohesive and efficient engine system.

Benefits

The 4982117 Cylinder Block offers several advantages that enhance engine efficiency, reliability, and longevity. Its robust construction and precise engineering contribute to improved engine performance and durability. The efficient cooling passages help maintain optimal engine temperature, reducing the risk of overheating. The high-quality material and precise machining ensure that the block can withstand the stresses of heavy-duty use, providing long-lasting reliability.

Installation Process

Proper installation of the 4982117 Cylinder Block is crucial for ensuring optimal engine performance. The installation process involves several steps:

1. Preparing the engine bay by ensuring it is clean and free of debris.
2. Aligning the cylinder block with the engine mounts and securing it in place.
3. Installing the crankshaft and connecting rods, ensuring proper alignment and torque specifications.
4. Mounting the cylinder head and connecting it to the block using the appropriate gaskets and bolts.
5. Connecting the cooling and lubrication systems to the block’s passages.
6. Performing a final check to ensure all components are securely installed and properly aligned.

Maintenance and Troubleshooting

Regular maintenance of the 4982117 Cylinder Block is important to ensure continued optimal performance. This includes checking and replacing coolant as needed, inspecting the cooling passages for blockages, and ensuring that all connections are secure. Common issues that may arise include coolant leaks, overheating, and piston ring wear. Troubleshooting these issues involves inspecting the block for cracks or damage, ensuring that all passages are clear, and checking the fit of the piston rings within the cylinder bores.

Cummins Inc.

Cummins Inc. is a leading manufacturer of diesel engines, known for its commitment to producing high-quality engine components. Founded in 1919, Cummins has built a reputation for innovation, reliability, and performance. The company’s dedication to excellence is evident in its rigorous testing and quality control processes, ensuring that each component, including the 4982117 Cylinder Block, meets the highest standards of durability and performance.

Compatibility

The Cummins Cylinder Block part number 4982117 is compatible with several engine models, ensuring the structural integrity and operational efficiency of the engine. This part is designed to fit seamlessly within the specified engine configurations, providing a robust foundation for the engine’s internal components.

B3.3 Engine Series

The Cummins Cylinder Block 4982117 is compatible with the B3.3 engine series. This engine series is known for its reliability and performance in various applications, including agricultural and industrial machinery. The cylinder block in this series is engineered to handle the specific demands of the B3.3 engine, ensuring smooth operation and longevity.

Grouping of Compatible Engines

While the Cummins Cylinder Block 4982117 is primarily associated with the B3.3 engine series, it is also compatible with other similar engine models that share the same design and specifications. This compatibility allows for flexibility in engine maintenance and repair, as technicians can use the same cylinder block across multiple engine types, provided they belong to the same series or have similar configurations.

Integration in Engine Systems

The 4982117 Cylinder Block is a fundamental component that interfaces with various engine systems to ensure optimal performance and efficiency.

Interaction with the Crankshaft

The cylinder block houses the crankshaft, which is pivotal for converting the linear motion of the pistons into rotational motion. The precise alignment and secure fit of the crankshaft within the cylinder block are essential for smooth engine operation.

Piston and Connecting Rod Assembly

Each cylinder within the block accommodates a piston and connecting rod assembly. The cylinder block provides the necessary structure and support for these components, allowing for efficient transfer of force from the combustion process to the crankshaft.

Cooling System Integration

The cylinder block is designed with passages for coolant circulation. These passages are integral for maintaining optimal operating temperatures by dissipating heat generated during combustion. The block’s design ensures that coolant flows effectively around the cylinders and other critical engine components.

Lubrication System

The cylinder block contains oil galleries that supply lubricant to various moving parts within the engine, including the crankshaft, pistons, and valve train. Proper lubrication reduces friction and wear, contributing to the engine’s longevity and performance.

Intake and Exhaust Manifolds

The cylinder block interfaces with the intake and exhaust manifolds, which are responsible for directing air and fuel into the cylinders and expelling exhaust gases. The precise mating surfaces on the cylinder block ensure a leak-free connection, vital for maintaining engine efficiency.

Cylinder Head Assembly

The cylinder block mates with the cylinder head, which houses the valves and combustion chambers. The seal between the block and the head is critical for preventing leaks and ensuring that combustion pressures are contained within the cylinders.

Vibration Dampening

The cylinder block is often mounted on engine mounts that help absorb vibrations generated during operation. The design of the block contributes to the overall stability of the engine within the vehicle’s chassis.

Fuel Injection System

In engines equipped with direct fuel injection, the cylinder block may house fuel injectors or provide mounting points for the fuel rail. This integration ensures that fuel is delivered precisely into the combustion chambers.

Electrical Components

The cylinder block may also incorporate mounting points for sensors and other electrical components, such as the camshaft position sensor or knock sensors, which are essential for engine management and performance monitoring.

Conclusion

The 4982117 Cylinder Block is a central component that interacts with a multitude of engine systems, each playing a specific role in the overall function and efficiency of the engine. Its robust construction, precise engineering, and compatibility with various engine models make it a vital part of heavy-duty truck engines.