Involute Spline Coupling for Tractor PTO and Drive Systems
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Involute Spline Coupling for Tractor PTO and Drive Systems

Original price was: $73.33.Current price is: $21.99.

SKU: SMA-442-033200027 Category:

Description

When your PTO starts slipping or your drive system isn’t transferring power like it should, the culprit is often a worn spline coupling. These hardworking parts take the torque from your engine and transfer it smoothly to implements and hydraulic pumps, but over time they wear down from the constant stress of field work. A fresh coupling gets you back to full power transfer and eliminates that grinding or slipping you’ve been hearing.

What You’re Getting

  • Precision-cut involute splines that engage fully without play or binding
  • Heat-treated steel construction built to handle high torque loads
  • Exact dimensional specifications for proper fit in your drive system
  • Direct replacement design that installs without modifications

Built for Real Farm Work

This coupling is designed for tractors that demand reliable power transfer to PTO-driven implements like rotary cutters, hay equipment, and hydraulic systems. Whether you’re running a compact utility tractor for maintenance work or a larger machine for heavy field operations, this coupling handles the torque spikes and continuous loads that come with agricultural work.

Made to Last

Farm equipment operates in tough conditions with dirt, moisture, and temperature swings that destroy lesser parts. This coupling uses quality steel with proper heat treatment to resist wear while maintaining the strength to handle shock loads when you hit obstacles or engage implements under load.

Installation Notes

Clean all mating surfaces thoroughly before installation and check that splines aren’t damaged or excessively worn. Apply a thin coat of grease to splines during assembly to prevent galling. Make sure the coupling seats fully—partial engagement leads to rapid failure and potential damage to other components.

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