The JLG 2780236 Reductor Hub is a precision-engineered aftermarket replacement component designed to meet OEM fitment and performance standards. This final drive assembly plays a critical role in transferring torque from the hydraulic drive motor to the wheel while reducing rotational speed and increasing output torque.
Built for demanding construction and industrial environments, this hub reduction assembly supports stable traction, controlled movement, and reliable performance on rough terrain.
Key Features:
- Manufactured to OEM specifications
- High-strength gear housing and internal components
- Designed for heavy load distribution
- Supports efficient torque conversion
- Suitable for heavy-duty boom lift applications
- Replacing a worn or damaged reduction hub helps prevent drivetrain noise, uneven wheel rotation, oil leakage, and costly mechanical failures.
1. What is the JLG 2780236 reductor hub?
The JLG 2780236 reductor hub is a final drive reduction assembly that converts high-speed hydraulic motor rotation into controlled wheel movement by increasing torque and reducing speed.
2. What are the signs of a failing reduction hub?
You may notice:
Grinding or knocking sounds from the wheel area
Oil leaks around the hub
Reduced traction or uneven movement
Excessive vibration during travel
Metal particles in gear oil
Prompt replacement helps avoid further drivetrain damage.
3. Which machines use part number 2780236?
This part is commonly installed on selected JLG rough-terrain boom lifts. Fitment varies by model and serial number range, so always confirm compatibility before purchase.
4. Does replacing the reductor hub improve performance?
Yes. A new hub assembly can:
Restore proper torque distribution
Improve traction and movement control
Reduce drivetrain noise
Prevent premature wear of surrounding components
5. Is professional installation required?
Installation typically requires:
Proper lifting equipment
Torque calibration tools
Gear oil refill
Mechanical expertise
Professional installation is strongly recommended to ensure proper alignment and torque settings.
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