3357998
Rear Power Takeoff Kit
Cummins®

The Rear Power Takeoff Kit by Cummins, identified by part number 3357998, is a specialized component designed to enhance the operational capabilities of commercial trucks. This kit allows for the transfer of power from the truck’s engine to auxiliary equipment, facilitating a wide range of applications that extend beyond basic transportation. Its integration into truck operations signifies a step towards increased efficiency and versatility in commercial trucking ¹.

Basic Concepts of Rear Power Takeoff Kits

A Rear Power Takeoff (PTO) Kit is a mechanical system that diverts power from a truck’s transmission to operate external equipment. This system plays a role in enabling trucks to perform various tasks such as towing, lifting, or operating machinery without requiring additional power sources. In the context of truck operations, the PTO kit serves as a bridge between the vehicle’s power source and the auxiliary equipment, allowing for a seamless transfer of power for specialized operations ².

Purpose of the 3357998 Rear Power Takeoff Kit

The 3357998 Rear Power Takeoff Kit by Cummins is designed to provide a reliable and efficient means of powering auxiliary equipment from the rear of a commercial truck. This kit enables trucks to undertake a variety of tasks, including but not limited to, operating hydraulic systems, driving compressors, and running generators. By allowing the truck to utilize its engine power for these additional functions, the kit enhances the truck’s operational versatility and efficiency ³.

Key Features

The 3357998 Rear Power Takeoff Kit boasts several features that contribute to its performance and reliability. Its design incorporates robust construction materials to withstand the rigors of commercial use. The kit includes precision-machined components to ensure smooth operation and minimal maintenance requirements. Additionally, it features a compact design that allows for easy integration with various truck models, and its durable build ensures longevity under demanding conditions ⁴.

Benefits of Using the 3357998 Rear Power Takeoff Kit

Utilizing the 3357998 Rear Power Takeoff Kit offers several advantages to fleet operators. It enhances operational efficiency by allowing trucks to perform multiple functions without the need for additional vehicles or equipment. This versatility can lead to cost savings by reducing the need for specialized vehicles for specific tasks. Furthermore, the kit’s reliable performance contributes to increased uptime and productivity for commercial fleets .

Installation Process

Installing the 3357998 Rear Power Takeoff Kit requires careful attention to detail to ensure proper integration with the truck’s systems. The process involves several steps, including preparing the truck for installation, aligning the PTO with the transmission, securing it in place, and connecting any necessary electrical components. Tools required may include wrenches, torque wrenches, and electrical testers. Following the manufacturer’s guidelines and best practices is recommended to ensure a successful installation .

Troubleshooting Common Issues

Common issues with the 3357998 Rear Power Takeoff Kit may include misalignment, electrical faults, or mechanical wear. Troubleshooting these problems involves a systematic approach to identify the root cause. This may include checking alignment, inspecting electrical connections, and assessing mechanical components for wear or damage. Addressing these issues promptly can help maintain the kit’s performance and reliability .

Maintenance Tips

Regular maintenance is key to ensuring the longevity and optimal performance of the 3357998 Rear Power Takeoff Kit. Maintenance practices should include periodic inspections for wear and damage, lubrication of moving parts as per the manufacturer’s recommendations, and replacement of worn components. Adhering to a scheduled maintenance plan can prevent unexpected failures and extend the kit’s service life .

Safety Considerations

When installing, operating, and maintaining the 3357998 Rear Power Takeoff Kit, safety protocols should be observed to prevent accidents and ensure user safety. This includes wearing appropriate personal protective equipment, ensuring the truck is securely parked during installation or maintenance, and following all safety guidelines provided by the manufacturer. Awareness of potential hazards and adherence to safety practices are crucial for safe operation .

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 quality, reliability, and innovation in the commercial truck industry. The company’s extensive product range and commitment to excellence provide a solid foundation for the quality and performance of the 3357998 Rear Power Takeoff Kit .

Components of the 3357998 Rear Power Takeoff Kit by Cummins

The 3357998 Rear Power Takeoff Kit is a comprehensive assembly designed to facilitate the transfer of power from an engine to auxiliary equipment. Each component within this kit plays a role in ensuring the efficient and reliable operation of the power takeoff system. Below is a detailed description of how each component contributes to the functionality of the kit.

Connectors

• 68138 Male Connector and 150386 Male Connector: These connectors are essential for linking various components within the power takeoff system, ensuring a secure and reliable connection between the power source and the driven equipment.

Fasteners

• 3025801 Hexagon Head Cap Screw and 3025802 Hexagon Head Cap Screw: These screws are used to fasten components together, providing the necessary structural integrity to the assembly.
• 3862622 Hexagon Head Cap Screw, 3862966 Hexagon Head Cap Screw, and 3937559 Socket Head Cap Screw: These screws serve similar purposes, securing different parts of the kit in place.
• 3902116 Hexagon Flange Head Cap Screw and 3919952 Hexagon Flange Head Cap Screw: These screws are used for attaching flanges, ensuring a tight and secure fit.

Washers

• 3009329 Plain Washer, 3026269 Plain Washer, 3862673 Plain Washer, and 3900269 Plain Washer: These washers distribute the load of the fasteners, preventing damage to the connected surfaces and enhancing the overall stability of the assembly.

Seals and Gaskets

• 3026134 Cover Plate Gasket: This gasket ensures a seal between the cover plate and the housing, preventing leaks and maintaining the integrity of the system.
• 3862669 O Ring Seal: This seal is critical for maintaining the integrity of fluid pathways within the system, preventing leaks and ensuring efficient operation.
• 3862674 Oil Seal: This seal prevents oil from leaking out of the system, maintaining lubrication and protecting internal components from contamination.
• 3936302 Rectangular Ring Seal: This seal is used in applications requiring a robust seal in high-pressure environments.
• 4022497 Carrier Gasket: This gasket ensures a seal between the carrier and other components, preventing fluid leaks.
• 5272471 Rear Cover Gasket: This gasket seals the rear cover, preventing fluid leaks and maintaining system integrity.

Bearings and Seals

• 3862522 Roller Bearing and 3862523 Roller Bearing: These bearings facilitate smooth rotation of shafts within the system, reducing friction and wear.
• 3862524 Rectangular Ring Seal: This seal is used to maintain the integrity of the bearing housing, preventing fluid leaks.
• 3892357 Roller Bearing: This bearing supports rotating components, ensuring smooth operation and longevity.

Miscellaneous Components

• 3032693 Expansion Plug: This plug is used to seal openings in the system, preventing fluid leaks and maintaining pressure.
• 3046202 Threaded Plug: This plug seals threaded openings, ensuring the system remains sealed and pressurized.
• 3161025 Dust Seal: This seal protects internal components from dust and debris, maintaining the cleanliness and efficiency of the system.
• 3862525 Cover Plate: This plate covers and protects internal components, ensuring they remain clean and dry.
• 3862539 Flexible Hose: This hose allows for flexible connections between components, accommodating movement and reducing stress on the system.
• 3862661 Idler Shaft: This shaft supports the idler gear, ensuring smooth operation of the power takeoff system.
• 3862662 Shaft Retainer: This retainer secures the shaft in place, preventing movement and ensuring stable operation.
• 3862676 Shim and 3862678 Shim: These shims are used to adjust the alignment and spacing of components, ensuring optimal performance.
• 3862997 Shim and 3862998 Shim: These shims serve a similar purpose, fine-tuning the fit and function of various components.
• 3892317 Shim: This shim is used for precise alignment and spacing, ensuring components fit together correctly.
• 3862906 Power Take-Off Flange: This flange connects the power takeoff to the driven equipment, facilitating the transfer of power.
• 3862916 Idler Gear: This gear meshes with other gears within the system, transferring power efficiently.
• 3862917 Accessory Drive Shaft: This shaft drives accessories connected to the power takeoff, ensuring they receive the necessary power.
• 3938043 Rear Cover: This cover protects the rear of the power takeoff, shielding internal components from damage and contamination.
• 3959406 Crankshaft Gear: This gear is connected to the crankshaft, transferring engine power to the power takeoff system.
• 4089544 Seal Kit: This kit includes various seals necessary for maintaining the integrity of the system, preventing leaks and contamination.

Conclusion

The 3357998 Rear Power Takeoff Kit by Cummins represents a significant advancement in the operational capabilities of commercial trucks. By enabling the efficient transfer of power to auxiliary equipment, this Cummins part enhances the versatility and efficiency of truck operations. Its robust design, coupled with precision-machined components and a compact form factor, ensures reliable performance under demanding conditions. For fleet operators, the benefits of increased operational efficiency, cost savings, and enhanced productivity make this part a valuable addition to their vehicles. Proper installation, regular maintenance, and adherence to safety protocols are essential for maximizing the performance and longevity of the 3357998 Rear Power Takeoff Kit.