3054866
Engine Crankshaft
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$8,199.95 $9,757.94

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

Introduction

The Cummins 3054866 Engine Crankshaft is a critical component in the operation of commercial trucks. It serves as the backbone of the engine, facilitating the conversion of linear piston motion into rotational motion, which is essential for driving the transmission and other engine accessories. Its robust design and high-quality construction ensure reliable performance under heavy-duty conditions, making it a cornerstone of efficient and durable engine operation.

Basic Concepts of Engine Crankshafts

An engine crankshaft is a mechanical part that plays a fundamental role in an internal combustion engine. Its primary function is to convert the linear motion of the pistons into rotational motion, which is then used to drive the engine’s output shaft. This conversion is achieved through a series of crankpins and connecting rods that are precisely engineered to transfer the force generated by the combustion process into a smooth, continuous rotation 1.

Purpose of the Cummins 3054866 Engine Crankshaft

The Cummins 3054866 Engine Crankshaft is specifically designed to perform this critical function within the engine of a commercial truck. It converts the reciprocating motion of the pistons into rotational motion, which is then transmitted to the transmission and other engine accessories. This crankshaft is engineered to handle the high stresses and loads associated with heavy-duty applications, ensuring consistent and reliable engine performance 2.

Key Features

The Cummins 3054866 Engine Crankshaft boasts several key features that enhance its performance and durability. It is constructed from high-quality materials, such as forged steel, which provide exceptional strength and resistance to wear. The design includes precision-machined journals and crankpins to ensure smooth operation and minimal friction. Additionally, the crankshaft may feature counterweights to balance the rotating assembly, reducing vibrations and improving overall engine stability 3.

Benefits

The Cummins 3054866 Engine Crankshaft offers numerous benefits that contribute to improved engine efficiency and reliability. Its robust construction and precise engineering result in enhanced durability, allowing it to withstand the rigors of heavy-duty use. The crankshaft’s design also contributes to better engine performance, including increased power output and improved fuel efficiency. Furthermore, its reliable operation under demanding conditions ensures consistent performance and reduced downtime for commercial truck operators.

Installation and Compatibility

Proper installation of the Cummins 3054866 Engine Crankshaft is crucial for ensuring optimal performance and longevity. Installation procedures should follow manufacturer guidelines to avoid damage and ensure correct alignment. Specific requirements may include torque specifications for main bearing caps and proper lubrication during installation. Ensuring compatibility with the engine model is also important to maintain the integrity of the engine’s performance and reliability.

Maintenance and Troubleshooting

Regular maintenance of the Cummins 3054866 Engine Crankshaft is essential for maintaining optimal performance and longevity. Recommended practices include periodic inspection for signs of wear or damage, ensuring proper lubrication, and monitoring engine performance metrics. Troubleshooting common issues may involve checking for misalignment, inspecting bearing conditions, and addressing any unusual noises or vibrations that could indicate problems with the crankshaft or related components.

Performance Enhancements

The Cummins 3054866 Engine Crankshaft can contribute to various performance enhancements when integrated into a well-maintained engine system. Potential improvements include increased power output due to its robust design, improved fuel efficiency through reduced friction and enhanced engine balance, and reduced emissions as a result of more efficient combustion processes. These enhancements can lead to better overall engine performance and increased operational efficiency for commercial trucks.

Common Applications

The Cummins 3054866 Engine Crankshaft is commonly used in a variety of commercial truck applications. It is designed to fit specific engine models within the Cummins lineup, ensuring compatibility and optimal performance. Typical applications include heavy-duty trucks used in transportation, construction, and other industries where reliable and powerful engine performance is crucial.

Manufacturer Information - Cummins

Cummins Inc. is a renowned manufacturer with a long-standing reputation in the industry for producing high-quality engine components. Founded in 1919, Cummins has built a legacy of innovation and excellence in engine technology. The company is committed to delivering reliable and efficient engine solutions, backed by rigorous testing and quality control processes. Cummins’ dedication to producing durable and high-performing engine parts, including the 3054866 Engine Crankshaft, underscores its position as a leader in the automotive and heavy-duty truck sectors.

Role of Part 3054866 Engine Crankshaft in Engine Systems

The Engine Crankshaft (part 3054866) is a fundamental component that integrates with various engine systems to ensure efficient operation. When installed within the Engine Block, the crankshaft converts the linear motion of the pistons into rotational motion, which is essential for driving the vehicle’s wheels through the transmission.

In a Short Block Assembly, which includes the engine block, crankshaft, pistons, and connecting rods, the crankshaft serves as the central rotating shaft. It is responsible for maintaining the precise timing and synchronization of the pistons’ movements. This assembly forms the core of the engine, upon which additional components like the cylinder head and valve train are mounted.

When considering the Cylinder Short Block, the crankshaft interacts directly with the pistons housed within the cylinders. Its design must accommodate the specific dimensions and configurations of the cylinders to ensure smooth operation and minimal friction.

In an Engine Block Kit or Short Block Kit, the crankshaft is often one of the primary components. These kits are designed to provide a comprehensive set of parts for rebuilding an engine, and the crankshaft’s quality and fitment are vital for the overall performance and durability of the engine.

The crankshaft also plays a significant role in the Base Parts of an engine. These base components, including the engine block and crankshaft, form the foundational structure upon which the entire engine is built. The crankshaft’s balance and alignment are critical for reducing vibrations and ensuring a smooth running engine.

Conclusion

In summary, the Engine Crankshaft (part 3054866) is integral to the function and performance of various engine systems. Its interaction with the engine block, short block assembly, and cylinder components underscores its importance in the overall engine operation. Proper installation, maintenance, and understanding of its role within the engine system are essential for ensuring optimal performance and longevity of the engine.


  1. Bonneau, D., Fatu, A., & Souchet, D. (2014). Internal Combustion Engine Bearings Lubrication in Hydrodynamic Bearings. Wiley-ISTE.

  2. Reif, K. (Ed.). (2014). Diesel Engine Management Systems and Components. Springer Vieweg.

  3. Minaker, B. P. (2019). Fundamentals of Vehicle Dynamics and Modelling. John Wiley Sons.

SPECIFICATIONS

Package Dimensions
147.0 x 44.0 x 52.0 in
Weight
190 lb

BILL OF MATERIALS

Name Quantity Part Number
Rectangular Key
Crankshaft Gear
Engine Crankshaft
* 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.