5259167
Engine Crankshaft
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$1,449.95 $1,725.44

Oversize Item

This is an oversize product. Additional shipping fees may apply.

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 5259167 Engine Crankshaft is a vital component in the operation of commercial trucks, playing a significant role within the engine system. This crankshaft is designed to facilitate the efficient conversion of linear piston motion into rotational motion, which is fundamental for the engine’s operation.

Basic Concepts of Engine Crankshafts

An engine crankshaft is a mechanical part that converts the linear motion of the pistons into rotational motion, which drives the vehicle’s wheels. This conversion is achieved through a series of crankpins and connecting rods that are integral to the crankshaft’s design. The crankshaft’s role is crucial in the internal combustion engine, as it ensures the smooth and continuous operation of the engine 1.

Purpose of the Cummins 5259167 Engine Crankshaft

This Cummins part is specifically engineered to enhance the operation of trucks by efficiently converting the reciprocating motion of the pistons into rotational motion. This conversion is vital for the engine’s performance, allowing it to generate the power needed to drive the vehicle. The crankshaft’s design ensures that this conversion is smooth and consistent, contributing to the overall efficiency and reliability of the engine.

Key Features

The 5259167 boasts several key features that enhance its performance and durability. These include a robust design that is capable of withstanding the high stresses and loads encountered in commercial truck engines. The crankshaft is manufactured using high-quality materials that offer superior strength and resistance to wear. Additionally, it incorporates advanced engineering techniques that improve its balance and reduce vibrations, leading to a smoother engine operation 2.

Benefits

This part offers several benefits that contribute to improved engine efficiency, reliability, and longevity. Its precise engineering and high-quality materials ensure that it can withstand the demanding conditions of commercial truck operation. The crankshaft’s design also contributes to reduced engine vibrations and smoother operation, which can lead to enhanced fuel efficiency and reduced wear on other engine components.

Troubleshooting and Maintenance

Common issues that may arise with the 5259167 include wear on the crankpins and journals, which can lead to increased friction and reduced efficiency. Regular maintenance practices, such as inspecting for wear and ensuring proper lubrication, are important for maintaining optimal performance and longevity. Diagnostic procedures may involve measuring the crankshaft’s runout and checking for any signs of damage or excessive wear 3.

Manufacturing and Quality Control

Cummins employs rigorous manufacturing processes and quality control measures to ensure the reliability and performance of the 5259167. These processes include precision machining, heat treatment, and surface finishing techniques that enhance the crankshaft’s durability and performance. Quality control measures are implemented at various stages of the manufacturing process to ensure that each crankshaft meets the stringent standards set by Cummins.

Integration with Other Engine Components

The 5259167 interacts with other engine components, such as pistons, connecting rods, and the flywheel, to facilitate smooth engine operation. The crankshaft’s crankpins are connected to the pistons via connecting rods, which transfer the linear motion of the pistons into rotational motion. This motion is then transmitted to the flywheel, which helps to smooth out the engine’s power delivery and maintain consistent rotational speed.

Historical Development

The development of engine crankshafts has seen significant advancements in design and materials over the years. These advancements have led to the current iteration of the 5259167, which incorporates the latest engineering techniques and materials to offer superior performance and durability. The historical development of crankshafts reflects a continuous effort to improve engine efficiency, reliability, and power output.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and related technologies. With a strong reputation in the industry, Cummins is committed to innovation and quality in manufacturing engine components. The company’s dedication to research and development ensures that its products, including the 5259167, meet the highest standards of performance and reliability.

Compatibility

The 5259167 is designed to fit a variety of Cummins engines, ensuring a robust and reliable performance across different engine models. Below is a detailed description of the compatibility of this crankshaft with various engine types:

B6.7 Series Engines

  • B6.7 CM2350 B135B
  • B6.7 CM2670 B153B
  • QSB6.7 CM2250
  • QSB6.7 CM2350 B105
  • QSB6.7 CM850 (CM2850)

The B6.7 series engines, including the B6.7 CM2350 B135B, B6.7 CM2670 B153B, QSB6.7 CM2250, QSB6.7 CM2350 B105, and QSB6.7 CM850 (CM2850), are designed for heavy-duty applications. The crankshaft 5259167 is engineered to handle the high torque and power demands of these engines, ensuring durability and longevity.

ISB/ISD Series Engines

  • ISB/ISD6.7 CM2150 SN

The ISB/ISD6.7 CM2150 SN engine is another robust model in the Cummins lineup. The crankshaft 5259167 is compatible with this engine, providing the necessary strength and precision to support its operational requirements.

ISBE Series Engines

  • ISBE CM2150
  • ISBE4 CM850

The ISBE CM2150 and ISBE4 CM850 engines are known for their reliability and efficiency. The crankshaft 5259167 fits these engines seamlessly, ensuring smooth operation and optimal performance.

QSB7 Series Engine

  • QSB7 CM2880 B117

The QSB7 CM2880 B117 engine is designed for demanding applications, and the crankshaft 5259167 is specifically engineered to meet its performance needs. This compatibility ensures that the engine operates at peak efficiency, providing the power and reliability expected from Cummins engines.

By ensuring that the crankshaft 5259167 is compatible with a wide range of Cummins engines, users can be confident in the performance and durability of their engines, regardless of the specific model.

Role of Part 5259167 Engine Crankshaft in Engine Systems

Part 5259167, the engine crankshaft, is integral to the operation of the cylinder block and the overall engine system. It converts the linear motion of the pistons into rotational motion, which is essential for the engine’s functionality.

As the pistons move up and down within the cylinder block, they transfer their motion to the crankshaft via the connecting rods. This transfer is seamless due to the crankshaft’s design, which includes precisely balanced counterweights and strategically placed journals.

The crankshaft’s rotation drives other essential engine components, such as the flywheel, which helps maintain smooth operation by storing rotational energy. Additionally, the crankshaft is connected to the camshaft through the timing belt or chain, ensuring the valves open and close in sync with the pistons’ movements.

In summary, part 5259167 engine crankshaft is the backbone of the engine, ensuring that the mechanical energy produced by the combustion process is efficiently converted into rotational motion, which ultimately powers the vehicle.

Conclusion

The Cummins 5259167 Engine Crankshaft is a critical component in the operation of commercial truck engines. Its robust design, high-quality materials, and advanced engineering techniques contribute to the overall efficiency, reliability, and longevity of the engine. Regular maintenance and proper lubrication are essential for maintaining optimal performance and longevity. The crankshaft’s compatibility with a wide range of Cummins engines ensures that users can be confident in the performance and durability of their engines, regardless of the specific model.


  1. Limpert, Rudolf. Brake Design and Safety, Third Edition. SAE International, 2011.

  2. Drozdziel, Pawel. The Vehicle Diesel Engine Startup Process Operational and Environmental Aspects. Routledge, 2023.

  3. Williams, Daniel. Generalized Vehicle Dynamics. SAE International, 2022.

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SPECIFICATIONS

Notes
ISBE Repto
Package Dimensions
40.0 x 10.3 x 10.25 in
Weight
135 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.