AR74273
Gear Shaft
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$179.95 $214.14

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 AR74273 Gear Shaft, manufactured by Cummins, is a critical component in the commercial truck industry. Designed for use in heavy-duty applications, this part ensures reliable performance and durability within the vehicle’s transmission system. Cummins, known for its high-quality engine and component manufacturing, has engineered the AR74273 to meet the demanding requirements of commercial trucks.

Basic Concepts of Gear Shafts

A gear shaft, or layshaft, is a fundamental component in mechanical systems, especially in transmissions. Its role is to transmit rotational force from one part of the system to another. Within a transmission, the gear shaft engages with various gears, enabling the vehicle to change speeds and torque output as needed. This interaction ensures smooth and efficient power transfer from the engine to the wheels 1.

Role of the AR74273 Gear Shaft in Truck Operation

In commercial trucks, the AR74273 Gear Shaft is integral to the drivetrain. It transmits power from the transmission to the differential, which then distributes that power to the truck’s wheels. This part interacts with other components such as gears, bearings, and synchronizers to ensure efficient and smooth power delivery across different driving conditions. Its precise design and engineering are tailored for optimal performance in heavy-duty applications 2.

Key Features of the AR74273 Gear Shaft

The AR74273 Gear Shaft is characterized by several key features that enhance its performance and durability. Constructed from high-strength materials, it is designed to withstand the rigors of commercial truck use. The design incorporates precise machining and heat treatment processes to improve its strength and longevity. Additionally, the gear shaft may feature specific design elements such as splines and bearings that are tailored to reduce friction and wear, contributing to its overall efficiency and reliability 3.

Benefits of Using the AR74273 Gear Shaft

Utilizing the AR74273 Gear Shaft in a commercial truck offers several advantages. Its robust construction and precise engineering contribute to improved efficiency and durability, allowing for reliable operation under demanding conditions. The gear shaft’s design may also provide specific performance enhancements, such as smoother gear shifts and reduced noise, compared to other gear shafts. These benefits make it a valuable component for truck operators seeking to maximize their vehicle’s performance and longevity 4.

Installation and Integration

Proper installation of the AR74273 Gear Shaft is crucial for ensuring its optimal performance and longevity. Installation guidelines typically include prerequisites such as ensuring the transmission system is clean and free of debris, and that all mating surfaces are properly prepared. Special considerations may also be required for integrating the gear shaft into the truck’s transmission system, such as aligning it correctly with other components and ensuring all fasteners are tightened to the manufacturer’s specifications 5.

Maintenance and Troubleshooting

Routine maintenance of the AR74273 Gear Shaft is important for preserving its performance and extending its service life. This may include regular inspections for signs of wear or damage, such as unusual noises, vibrations, or leaks. Troubleshooting common issues may involve checking for proper lubrication, ensuring all components are correctly aligned, and addressing any signs of wear promptly. Following manufacturer guidelines for maintenance and troubleshooting can help prevent more serious problems and ensure the gear shaft continues to operate efficiently 6.

Performance and Reliability

The performance and reliability of the AR74273 Gear Shaft under various operating conditions are supported by empirical data and field reports. This part is designed to deliver consistent performance in heavy-duty applications, withstanding high loads and operating temperatures. Its reliability is further demonstrated by its ability to maintain efficiency and durability over extended periods of use, making it a trusted component in the commercial truck industry 7.

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 strong reputation for quality and innovation in the commercial truck industry. The company’s product range includes engines, powertrain components, and aftermarket parts, all designed to meet the demanding requirements of commercial vehicles. The AR74273 Gear Shaft is part of Cummins’ extensive portfolio of high-quality components, reflecting the company’s commitment to excellence and customer satisfaction 8.

Conclusion

The AR74273 Gear Shaft by Cummins is a vital component in the commercial truck industry, offering reliable performance and durability in demanding applications. Its precise design, robust construction, and integration into various engine systems make it an essential part for ensuring efficient and smooth operation of commercial trucks.


  1. Aird, F. (2001). Bosch Fuel Injection Systems. HP Books.

  2. Awari, G.K., Kumbhar, V.S., & Tirpude, R.B. (2011). Automotive Systems Principles and Practice. CRC Press.

  3. Hilgers, M. (2023). Vocational Vehicles and Applications. Springer Nature.

  4. Gilles, T. (2020). Automotive Service: Inspection, Maintenance, Repair: 2nd Edition. Cengage Learning.

  5. Cummins Inc. (n.d.). Owners Manual for M15 CM2670 M106B. Bulletin Number 5676907.

  6. Cummins Inc. (n.d.). Owners Manual for M15 CM2670 M106B. Bulletin Number 5676907.

  7. Cummins Inc. (n.d.). Owners Manual for M15 CM2670 M106B. Bulletin Number 5676907.

  8. Cummins Inc. (n.d.). Owners Manual for M15 CM2670 M106B. Bulletin Number 5676907.

RELATED PARTS

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
3.3 x 1.7 x 1.7 in
Weight
0.5 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.