4944556
Power Takeoff Shaft
Cummins®

AVAILABLE

Cummins®

2 are currently available

Ships within 2-4 business days

$789.95 $940.04

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 4944556 Power Takeoff Shaft Assembly, manufactured by Cummins, is a component designed to enhance the functionality of commercial trucks. Cummins, a well-established name in the commercial truck industry, produces this assembly to meet the demanding requirements of heavy-duty applications. This part plays a role in enabling trucks to perform a variety of tasks beyond simple transportation, making it a valuable asset in commercial operations.

Basic Concepts of Power Takeoff Shaft Assembly

A Power Takeoff (PTO) Shaft Assembly is a mechanical system that transfers power from a vehicle’s engine to auxiliary equipment. Its primary functions include driving external tools and machinery, such as hydraulic pumps, winches, and compressors. The PTO shaft assembly integrates with the truck’s powertrain by connecting to the transmission, allowing the engine’s power to be redirected to operate additional equipment 1.

Role of the 4944556 Power Takeoff Shaft Assembly in Truck Operation

The 4944556 Power Takeoff Shaft Assembly is integral to the operation of commercial trucks, particularly those used in specialized tasks. It facilitates the transfer of power from the truck’s engine to various attachments, enabling the vehicle to perform functions such as towing, lifting, or operating hydraulic systems. This assembly interacts with the truck’s transmission and other components to ensure seamless power distribution, enhancing the truck’s versatility and efficiency in performing diverse tasks 2.

Key Features of the 4944556 Power Takeoff Shaft Assembly

The 4944556 Power Takeoff Shaft Assembly is characterized by several key features that contribute to its performance and durability. Its design incorporates high-quality materials, ensuring resistance to wear and corrosion. The assembly is engineered to provide reliable power transfer, with precision-machined components that ensure smooth operation. Additionally, it features robust construction to withstand the rigors of heavy-duty use, making it a dependable choice for commercial applications 3.

Benefits of Using the 4944556 Power Takeoff Shaft Assembly

Utilizing the 4944556 Power Takeoff Shaft Assembly offers several benefits to fleet operators. It enhances the efficiency of commercial trucks by enabling them to perform a wider range of tasks with a single vehicle. The assembly’s reliable performance contributes to increased uptime and reduced downtime, leading to cost savings. Furthermore, its durable construction minimizes the need for frequent replacements, providing long-term value to fleet operations.

Installation and Integration

Installing the 4944556 Power Takeoff Shaft Assembly requires careful consideration to ensure proper integration with the truck’s powertrain. It is important to follow manufacturer guidelines and use the appropriate tools to avoid damage during installation. Ensuring that the assembly is correctly aligned and securely fastened is crucial for optimal performance and safety. Fleet operators should consult with experienced technicians to facilitate a smooth installation process.

Maintenance and Troubleshooting

Routine maintenance of the 4944556 Power Takeoff Shaft Assembly is essential to ensure its optimal performance and longevity. Regular inspections should be conducted to check for signs of wear, corrosion, or misalignment. Lubrication of moving parts and tightening of fasteners are important maintenance practices. In the event of issues, troubleshooting should begin with a thorough inspection to identify the root cause, followed by appropriate repairs or adjustments.

Common Applications

The 4944556 Power Takeoff Shaft Assembly is commonly used in various heavy-duty industries, including construction, agriculture, and mining. In construction, it powers equipment such as concrete mixers and cranes. In agriculture, it drives implements like balers and mowers. Its versatility makes it suitable for a wide range of applications where auxiliary power is required.

Safety Considerations

When working with the 4944556 Power Takeoff Shaft Assembly, it is important to observe safety guidelines to prevent accidents. Operators should ensure that the assembly is properly guarded to protect against contact with moving parts. It is also crucial to follow manufacturer instructions for operation and maintenance to avoid misuse. Regular safety training for personnel handling the assembly is recommended to ensure safe and efficient use.

Cummins: A Brief 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 a reputation for innovation, quality, and reliability in the commercial truck industry. The company’s product range includes engines, powertrains, and aftermarket parts, serving a diverse array of industries and applications. Cummins’ commitment to excellence and customer satisfaction has made it a trusted name in the field of commercial trucking.

Power Takeoff Shaft Assembly (Part 4944556) Compatibility with Cummins Engines

The Power Takeoff Shaft Assembly, identified by part number 4944556, is designed to interface with various Cummins engines, ensuring efficient power transfer from the engine to auxiliary equipment. This part is engineered to fit seamlessly with the following Cummins engines:

  • QSB3.3 CM2150
  • QSB3.3 CM2250 EC

These engines, while differing in some specifications, share a commonality in their design that allows the Power Takeoff Shaft Assembly to be universally compatible. The assembly is meticulously crafted to meet the rigorous demands of these engines, ensuring durability and reliability in various operational conditions.

The Power Takeoff Shaft Assembly is integral to the functionality of these engines, providing a robust connection that supports the transfer of mechanical power. Its design ensures that it can withstand the stresses and strains associated with heavy-duty applications, making it an essential component for maintaining the operational efficiency of the engines.

Role of Part 4944556 Power Takeoff Shaft Assembly in Engine Systems

The Part 4944556 Power Takeoff Shaft Assembly is an integral component in the efficient operation of engine systems, particularly when integrated with the mounting and front gear train accessory.

Integration with Mounting

The mounting system is designed to securely hold the Power Takeoff Shaft Assembly in place. This ensures that the shaft remains stable during operation, minimizing vibrations and potential misalignments. Proper mounting is essential for the shaft to transmit power effectively from the engine to auxiliary equipment without undue stress on the assembly or connected components.

Interaction with Front Gear Train Accessory

The front gear train accessory plays a significant role in the mechanical transmission of power within the engine system. The Power Takeoff Shaft Assembly interfaces with this accessory to divert a portion of the engine’s power to operate external equipment such as hydraulic pumps, generators, or agricultural implements.

This interaction requires precise alignment and smooth operation to ensure that the gear train can efficiently transfer rotational force. The shaft assembly must be capable of handling the torque and speed variations transmitted through the gear train, ensuring consistent performance of the auxiliary equipment.

In summary, the Part 4944556 Power Takeoff Shaft Assembly works in concert with the mounting and front gear train accessory to facilitate the reliable and efficient transfer of power from the engine to external systems, enhancing the overall functionality and versatility of the engine system.

Conclusion

The 4944556 Power Takeoff Shaft Assembly is a critical component for enhancing the functionality and efficiency of commercial trucks. Its integration with Cummins engines, particularly the QSB3.3 CM2150 and QSB3.3 CM2250 EC, ensures reliable power transfer to auxiliary equipment. The assembly’s robust design, compatibility with various heavy-duty applications, and the benefits it offers to fleet operators make it a valuable asset in the commercial trucking industry.


  1. Huzij, R., Spano, A., & Bennett, S. (2014). Modern Diesel Technology Heavy Equipment Systems. Delmar Cengage Learning.

  2. Hilgers, M. (2023). Electrical Systems and Mechatronics, Second Edition. Springer Vieweg.

  3. Wharton, A. J. (1991). Diesel Engines. Butterworth-Heinemann Ltd.

SPECIFICATIONS

Package Dimensions
4.9 x 4.5 x 4.5 in
Weight
2 lb
* 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.