3011398
Crankshaft Adapter
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$7,399.95 $8,805.94

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The Cummins 3011398 Crankshaft Adapter is a specialized component designed for use in heavy-duty trucks. It serves a significant role in the engine’s operation by facilitating the connection between the crankshaft and other critical engine components. This adapter ensures the smooth transfer of rotational force, contributing to the overall efficiency and performance of the truck’s engine.

Basic Concepts of Crankshaft Adapters

A crankshaft adapter is a mechanical component that interfaces with the crankshaft, allowing it to connect with other parts of the engine. Its primary function is to ensure a secure and precise fit, which is vital for the efficient operation of the engine. The adapter typically features specific design elements that align with the crankshaft’s contours and the requirements of the connected components, ensuring optimal performance and durability 1.

Purpose of the 3011398 Crankshaft Adapter

The 3011398 Crankshaft Adapter plays a role in the operation of a truck by providing a stable and reliable connection between the crankshaft and other engine parts. This connection is crucial for the transmission of power from the crankshaft to the rest of the engine system. The adapter is engineered to withstand the high stresses and temperatures associated with heavy-duty truck engines, ensuring consistent performance under demanding conditions 2.

Key Features

The 3011398 Crankshaft Adapter is characterized by several key features that enhance its functionality and durability. It is constructed from high-quality materials that offer resistance to wear and corrosion. The design includes precise machining to ensure a perfect fit with the crankshaft and other engine components. Additionally, the adapter may feature unique characteristics such as enhanced sealing provisions to prevent leaks and improved load distribution to reduce stress on the crankshaft 3.

Benefits of Using the 3011398 Crankshaft Adapter

Utilizing the 3011398 Crankshaft Adapter offers several advantages. It contributes to improved engine performance by ensuring a secure and efficient connection between the crankshaft and other engine parts. The adapter’s durable construction and precise design enhance the engine’s reliability and longevity. Furthermore, its ability to withstand high stresses and temperatures makes it well-suited for the demanding environments of heavy-duty trucks.

Installation Process

Installing the 3011398 Crankshaft Adapter requires careful attention to detail to ensure proper fit and function. The process involves preparing the crankshaft and the engine components for attachment, aligning the adapter with the crankshaft, and securing it in place using the appropriate tools and equipment. It is important to follow the manufacturer’s guidelines to achieve a successful installation that meets the engine’s performance requirements.

Common Issues and Troubleshooting

Common issues associated with the 3011398 Crankshaft Adapter may include misalignment, wear, or damage to the adapter or connected components. Troubleshooting these issues involves inspecting the adapter and related parts for signs of wear or damage, ensuring proper alignment, and making any necessary adjustments or replacements. Regular maintenance and inspections can help identify and address potential problems before they lead to more significant issues.

Maintenance Tips

To ensure the optimal performance and longevity of the 3011398 Crankshaft Adapter, regular maintenance is recommended. This includes inspecting the adapter and connected components for signs of wear or damage, cleaning the adapter to remove any debris or contaminants, and ensuring that all connections are secure and properly aligned. Following the manufacturer’s maintenance guidelines can help maintain the adapter’s performance and extend its service life.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established itself as a trusted name in the automotive and heavy-duty truck industry. The company is committed to innovation, quality, and customer satisfaction, providing reliable and efficient power solutions for a wide range of applications.

Cummins Crankshaft Adapter 3011398 Compatibility

The Cummins Crankshaft Adapter part number 3011398 is designed to fit seamlessly with a variety of Cummins engines, ensuring compatibility and reliability across different engine configurations. This adapter plays a crucial role in the engine assembly by connecting the crankshaft to other components, facilitating smooth operation and power transmission.

V28 Engines

For V28 engines, the Crankshaft Adapter 3011398 is engineered to integrate with the engine’s crankshaft, providing a secure and precise fit. This ensures that the crankshaft can rotate smoothly within the engine block, allowing for efficient power generation and transfer. The adapter’s design accommodates the specific dimensions and tolerances required for V28 engines, ensuring optimal performance and longevity.

Grouping of Engines

In addition to V28 engines, the Crankshaft Adapter 3011398 is also compatible with other Cummins engines within the same family or series. This grouping allows for a standardized approach to engine maintenance and repair, simplifying the process for technicians and ensuring that the correct parts are used for each engine type. By using a single adapter part for multiple engines, Cummins enhances efficiency and reduces the complexity of inventory management.

The adapter’s compatibility with various engines underscores Cummins’ commitment to providing high-quality, reliable parts that meet the demands of modern engine technology. This ensures that engine owners and operators can rely on consistent performance and durability, regardless of the specific engine model.

Role of Part 3011398 Crankshaft Adapter in Engine Systems

The Part 3011398 Crankshaft Adapter is an essential component that facilitates the integration of various engine systems, ensuring smooth operation and efficient power transmission.

Integration with the Flexplate Assembly

In engines equipped with an automatic transmission, the Crankshaft Adapter plays a significant role in connecting the crankshaft to the flexplate. The flexplate is a flexible component that replaces the traditional flywheel in automatic transmissions. It is designed to absorb the torsional vibrations produced by the engine, providing a smoother operation. The Crankshaft Adapter ensures a secure and precise fit between the crankshaft and the flexplate, allowing for efficient transmission of rotational force from the engine to the transmission. This connection is vital for the proper functioning of the automatic transmission system, as it enables the seamless transfer of power and reduces the likelihood of mechanical failures due to misalignment or excessive vibration.

Connection to the Flywheel

In manual transmission systems, the Crankshaft Adapter is instrumental in linking the crankshaft to the flywheel. The flywheel is a heavy, rotating disc that stores rotational energy and smooths out the delivery of power from the engine to the transmission. It also engages with the starter motor to crank the engine during startup. The Crankshaft Adapter ensures a robust and accurate connection between the crankshaft and the flywheel, which is essential for the efficient operation of the manual transmission. This precise fitting helps in maintaining the balance and stability of the engine, reducing wear and tear on the components, and enhancing the overall performance and durability of the engine system.

Conclusion

The Cummins 3011398 Crankshaft Adapter is a critical component in the operation of heavy-duty truck engines. Its precise design, durable construction, and compatibility with various Cummins engines make it an essential part for ensuring efficient power transmission and engine performance. Regular maintenance and proper installation are key to maximizing the benefits of this Cummins part, contributing to the overall reliability and longevity of the engine system.


  1. Reif, K. (2015). Automotive Mechatronics. Springer Vieweg.

  2. Bennett, S., & Norman, I. A. (2011). Heavy Duty Truck Systems Fifth Edition. Delmar Cengage Learning.

  3. SAE International. (2013). Composite Materials Handbook Volume 4 Metal Matrix Composites. SAE International.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
14.0 x 14.0 x 4.0 in
Weight
51 lbs
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.