4929281
Engine Crankshaft
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$1,399.95 $1,665.94

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

Introduction

The Cummins 4929281 Engine Crankshaft is a vital component in the operation of commercial trucks. It is designed to facilitate the conversion of linear piston motion into rotational motion, which is fundamental for the engine’s operation. This crankshaft is engineered to meet the demanding requirements of heavy-duty applications, ensuring reliable performance and durability in various truck models.

Basic Concepts of Engine Crankshafts

An engine crankshaft is a mechanical part that plays a central role in the operation of an internal combustion engine. Its primary functions include converting the reciprocating motion of the pistons into rotational motion, which drives the vehicle’s wheels through the transmission. The crankshaft operates by rotating within the engine block, driven by the force exerted by the pistons as they move up and down in their cylinders 1.

Purpose of the Cummins 4929281 Engine Crankshaft

The Cummins 4929281 Engine Crankshaft serves a critical role in the operation of a truck by converting the linear motion of the pistons into rotational motion. This conversion is achieved through a series of crankpins and connecting rods attached to the crankshaft. As the pistons move, they transfer their motion to the crankshaft, which then rotates to drive the engine’s output shaft.

Key Features

The Cummins 4929281 Engine Crankshaft is characterized by several key features that enhance its performance and durability. Its design incorporates precision engineering to ensure smooth operation and longevity. The crankshaft is manufactured using high-quality materials, such as forged steel, which provide the necessary strength and resilience to withstand the rigors of heavy-duty use. Additionally, it features a balanced design to minimize vibrations and ensure stable operation 2.

Benefits

Utilizing the Cummins 4929281 Engine Crankshaft offers several benefits. It contributes to improved engine efficiency by ensuring smooth and consistent power delivery. The crankshaft’s robust construction enhances the engine’s reliability, reducing the likelihood of failures under stress. Furthermore, its design promotes longevity, allowing for extended service life and reduced maintenance requirements.

Installation and Integration

Proper installation of the Cummins 4929281 Engine Crankshaft is crucial for optimal performance. The installation process involves careful alignment with the engine block and precise fitting of the main bearings. It is important to follow manufacturer guidelines to ensure that the crankshaft is securely and correctly installed, which will facilitate efficient engine operation and longevity 3.

Troubleshooting and Maintenance

Common issues with the Cummins 4929281 Engine Crankshaft may include wear on the bearings or imbalance due to uneven wear. Regular maintenance practices, such as checking for proper lubrication and inspecting for signs of wear, can help prolong the crankshaft’s lifespan. Diagnostic tips include listening for unusual noises during engine operation, which may indicate problems with the crankshaft or its components.

Performance Enhancements

The Cummins 4929281 Engine Crankshaft contributes to overall engine performance by providing a stable and efficient means of converting piston motion into rotational force. This conversion is vital for achieving optimal power output and fuel efficiency. The crankshaft’s design also plays a role in ensuring smooth engine operation, which is critical for the performance and drivability of commercial trucks.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a strong reputation in the industry, Cummins is committed to producing high-quality engine components that meet the needs of various applications, including heavy-duty trucks. The company’s focus on innovation and customer satisfaction has established it as a trusted name in the automotive and industrial sectors 4.

Engine Crankshaft Part 4929281 in Cummins Engines

The Engine Crankshaft part 4929281, manufactured by Cummins, is a critical component in several engine models. This part is integral to the operation of the engine, converting the linear motion of the pistons into rotational motion, which ultimately drives the vehicle.

ISBE CM800 Engines

In the ISBE CM800 engines, the crankshaft part 4929281 plays a pivotal role in maintaining the engine’s balance and smooth operation. This engine is known for its robust design and high performance, making the crankshaft a vital part of its functionality. The ISBE CM800 engines are often used in heavy-duty applications, where reliability and durability are paramount.

Grouping of Engines

The crankshaft part 4929281 is designed to fit seamlessly into various Cummins engine models, ensuring compatibility and performance across different applications. This part is engineered to meet the stringent requirements of Cummins engines, providing a reliable and efficient solution for engine operation.

By ensuring that the crankshaft is properly aligned and balanced, it contributes to the overall efficiency and longevity of the engine. The design and manufacturing process of this part reflect Cummins’ commitment to quality and performance, making it a trusted component in the engines it supports.

Role of Part 4929281 Engine Crankshaft in Engine Systems

The part 4929281 Engine Crankshaft is integral to the operation of the engine block and cylinders. It translates the reciprocating motion of the pistons into rotational force, which is essential for the engine’s functionality.

Interaction with the Engine Block

Within the engine block, the crankshaft is housed in main bearings. As the pistons move up and down due to combustion, they drive the crankshaft via connecting rods. This continuous motion ensures that the crankshaft rotates smoothly, transferring power to other components through the flywheel or flexplate.

Coordination with Cylinders

Each cylinder in the engine is connected to the crankshaft via a corresponding throw. As the piston within a cylinder moves downward during the power stroke, it pushes on the connecting rod, which in turn rotates the crankshaft. This rotation is synchronized across all cylinders, ensuring balanced and efficient power delivery.

The crankshaft’s design, including its counterweights and harmonic balancer, helps to manage the forces generated by the pistons’ motion. This balance is vital for minimizing vibrations and ensuring the longevity of the engine components.

Conclusion

In summary, the part 4929281 Engine Crankshaft plays a significant role in converting linear motion into rotational energy, which is fundamental for the engine’s operation and performance. Its robust design, precision engineering, and high-quality materials ensure reliable and efficient engine operation, contributing to the overall performance and durability of commercial trucks.


  1. Kasab, J., & Strzelec, A. (2020). Automotive Emissions Regulations and Exhaust Aftertreatment Systems. SAE International.

  2. Naunheimer, H., Bertsche, B., Ryborz, J., & Novak, W. (2011). Automotive Transmissions Fundamentals Selection Design and Application. Springer Vieweg.

  3. Calder, N. (2007). Diesel Engine Care and Repair. The McGraw-Hill Companies.

  4. Maclaurin, B. (2018). High Speed Off-Road Vehicles. Wiley.

* 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.