3960058
Crankshaft Adapter
Cummins®

The Cummins 3960058 Crankshaft Adapter is a component designed to facilitate the connection between the crankshaft and other engine components in commercial trucks. This adapter plays a significant role in ensuring the smooth operation of the engine. Cummins Inc., a well-respected manufacturer in the industry, is known for its commitment to quality and innovation in engine manufacturing ².

Basic Concepts of Crankshaft Adapters

A crankshaft adapter serves as an intermediary component that allows the crankshaft to interface with other parts of the engine. Its primary function is to ensure a secure and precise connection, which is vital for the efficient operation of the engine. These adapters are typically made from durable materials such as high-grade steel or cast iron, which provide the necessary strength and resistance to wear ¹. The design of crankshaft adapters can vary, but they generally feature precise machining to ensure a perfect fit with both the crankshaft and the components they connect to.

Purpose of the Cummins 3960058 Crankshaft Adapter

The Cummins 3960058 Crankshaft Adapter is specifically engineered to play a role in the operation of truck engines by facilitating the connection between the crankshaft and other critical engine components. This adapter ensures that the rotational force generated by the crankshaft is efficiently transmitted to the connected parts, contributing to the overall performance and reliability of the engine.

Key Features

The Cummins 3960058 Crankshaft Adapter boasts several key features that enhance its performance and durability. These include a robust design that ensures a secure fit, high-quality materials that resist wear and corrosion, and precise machining that guarantees accurate alignment with the crankshaft and other components. Additionally, the adapter may feature unique attributes such as integrated lubrication channels to reduce friction and prolong component life.

Benefits of Using the Cummins 3960058 Crankshaft Adapter

Incorporating the Cummins 3960058 Crankshaft Adapter into truck engines offers several advantages. These include improved engine performance due to efficient force transmission, enhanced durability thanks to the high-quality materials used, ease of installation facilitated by its precise design, and compatibility with other Cummins components, ensuring a seamless integration into the engine system.

Installation Process

Installing the Cummins 3960058 Crankshaft Adapter involves several steps to ensure proper fitting and function. Begin by preparing the engine area, ensuring that the crankshaft is clean and free of any debris. Align the adapter with the crankshaft and secure it in place using the appropriate fasteners. It is important to follow the manufacturer’s guidelines to avoid over-tightening, which could damage the component. After installation, perform a thorough inspection to confirm that the adapter is correctly installed and that all connections are secure.

Maintenance and Troubleshooting

To ensure the longevity and optimal performance of the Cummins 3960058 Crankshaft Adapter, regular maintenance is recommended. This includes periodic inspections for signs of wear or damage, cleaning the adapter to remove any buildup that could affect its function, and lubricating moving parts to reduce friction. Common issues that may arise include misalignment or wear, which can be addressed by realigning the component or replacing it if necessary.

Compatibility and Applications

The Cummins 3960058 Crankshaft Adapter is designed for use in specific types of engines and truck models. It is particularly beneficial in applications where precise force transmission and durable connections are required. This adapter is compatible with a range of Cummins engines, making it a versatile component for various commercial truck applications.

Cummins as a Manufacturer

Cummins Inc. has a long-standing reputation in the engine manufacturing industry, known for its expertise, quality, and innovation. Founded in 1919, the company has grown to become a global leader in engine technology, offering a wide range of products for on-highway, off-highway, and stationary applications. Cummins’ commitment to quality is evident in every product they manufacture, including the Cummins 3960058 Crankshaft Adapter ².

Crankshaft Adapter 3960058 Compatibility with Cummins Engines

The Crankshaft Adapter part number 3960058, manufactured by Cummins, is designed to fit a variety of Cummins engines. This adapter is essential for the proper alignment and function of the crankshaft, ensuring smooth engine operation. Below is a detailed list of Cummins engines that are compatible with this crankshaft adapter:

ISB Series

• ISB CM2150
• ISB CM550
• ISB CM850
• ISB/ISD4.5 CM2150 B119
• ISB/ISD6.7 CM2150 SN
• ISB4.5 CM2350 B104
• ISB6.7 CM2250
• ISB6.7 CM2350 B101
• ISB6.7 G CM2180 B118
• ISBE CM2150
• ISBE CM800
• ISBE4 CM850
• ISF3.8 CM2220 AN

QSB Series

• QSB3.9 30 CM550
• QSB4.5 CM2250 EC
• QSB4.5 CM850 (CM2850)
• QSB5.9 30 CM550

Other Series

• 4B3.9
• 6B5.9
• 6C8.3
• B4.5
• B5.9 G
• B5.9 GAS PLUS CM556
• B6.7 CM2350 B135B
• F3.8 CM2350 F128C

This adapter is engineered to ensure compatibility across these diverse engine models, providing a reliable solution for maintaining and repairing these engines.

Role of Part 3960058 Crankshaft Adapter in Engine Systems

The Part 3960058 Crankshaft Adapter is an essential component that facilitates the connection between the crankshaft and other key engine components, ensuring smooth operation and efficient power transmission.

Interaction with the Flexplate

In automatic transmission systems, the Crankshaft Adapter plays a significant role in interfacing with the flexplate. The adapter is designed to securely attach to the crankshaft, providing a stable mounting point for the flexplate. This connection is vital for the transmission of rotational force from the crankshaft to the torque converter. The flexplate, in turn, flexes to accommodate the varying loads and stresses, ensuring that power is consistently delivered to the transmission without undue strain on the engine components.

Integration with the Flywheel

In manual transmission systems, the Crankshaft Adapter is instrumental in connecting the crankshaft to the flywheel. This adapter ensures a precise and robust fit, allowing for the efficient transfer of engine power to the clutch system. The flywheel, which is connected to the Crankshaft Adapter, stores rotational energy and smooths out the power delivery to the transmission. The adapter’s design must account for the high torque and rotational speeds typical in manual transmissions, ensuring durability and reliability under demanding conditions.

Overall Functionality

The Part 3960058 Crankshaft Adapter serves as a pivotal link in the engine’s power transmission chain. Whether interfacing with a flexplate in an automatic transmission or a flywheel in a manual transmission, this adapter ensures that the crankshaft’s rotational energy is effectively transmitted to the next stage of the drivetrain. Its precise engineering and robust construction are essential for maintaining the integrity and performance of the engine system ³.

Conclusion

The Cummins 3960058 Crankshaft Adapter is a critical component in the operation of commercial truck engines, ensuring efficient power transmission and smooth engine operation. Its robust design, high-quality materials, and precise machining make it a reliable choice for maintaining and repairing Cummins engines. Regular maintenance and proper installation are key to maximizing the performance and longevity of this Cummins part.