FULA5156
SHAFT, MAIN
Navistar International®

The main shaft is a critical component in the vehicle's transmission system, responsible for transferring power from the engine to the wheels. This shaft is designed with precision engineering to ensure optimal performance and reliability. Its robust construction allows it to handle high torque loads, making it suitable for both on-road and off-road applications. The main shaft is also designed to minimize friction and wear, contributing to improved fuel efficiency and a smoother driving experience. Additionally, its lightweight design does not compromise strength, making it an ideal choice for performance vehicles.

Navistar International Corporation has been a cornerstone of the heavy-duty vehicle industry for over a century, known for its commitment to quality and innovation. The company has consistently focused on engineering excellence, which is evident in the main shaft designed for vehicle transmission systems. This critical component is responsible for transferring power from the engine to the wheels, and it is engineered with precision to ensure optimal performance and reliability. Its robust construction allows it to handle high torque loads, making it suitable for both on-road and off-road applications. By minimizing friction and wear, Navistar has enhanced the fuel efficiency and smooth operation of vehicles, reinforcing its dedication to delivering high-quality solutions for commercial operators.

This part fits the following models:

• - 7400 Severe Service Truck (built on or after 7/1/01)
• - HV with Medium Duty Engines
• - 2600 Heavy Service Truck (built on or after 1/16/98)
• - 5500 Severe Service Conventional
• - 8000 Heavy Truck (various models)
• - HV with Heavy Duty Engines
• - 9700 Premium Cabover (various models)
• - 9400 Premium Conventional (after 3/15/96)
• - 5900 Severe Service Conventional
• - 7600 Severe Service Truck (after 4/1/02)
• - 5000 Severe Service Conventional (after 3/15/96)
• - 9300 Premium Conventional (various models)
• - 513 Transmission
• - 7500 Severe Service Truck (built on or after 7/1/01)
• - 5600 Severe Service Conventional
• - 9900 Premium Conventional (after 3/15/96)
• - 9100 Premium Conventional
• - 8600 Heavy Tractor
• - 7300 Severe Service Truck (built on or after 10/1/01)
• - TG01 LoneStar Linehaul Conventional
• - LS LoneStar
• - PRO ProStar Linehaul Conventional
• - PROP ProStar Linehaul Conventional Premium
• - HX Heavy Extreme
• - RH Regional Haul
• - LT Linehaul Transport
• - 4400 Medium Truck
• - 5900 Severe Service Conventional
• - 2600 Heavy Service Truck (built on or after 1/16/98)
• - 9900 Premium Conventional (after 3/15/96)
• - 5600 Severe Service Conventional
• - 8100 Heavy Tractor (after 1/16/98)
• - 7600 Severe Service Truck (after 4/1/02)
• - 9400 Premium Conventional (after 3/15/96)
• - 2500 Heavy Service Truck (built on or after 1/16/98)
• - 5500 Severe Service Conventional

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