Description
When your driveline starts transmitting power rough or won’t engage properly, a worn coupling is usually the culprit. This sturdy 15-spline coupling gets power flowing smoothly again between your tractor’s PTO and equipment. With its precision-cut 1-inch spline and 1-1/2 inch coupling diameter, it’s built to handle the torque demands of real farm work while keeping everything aligned.
What You’re Getting
- Precision 15 involute splines that engage cleanly without binding
- 1-inch spline diameter with 1-1/2 inch coupling OD for solid power transfer
- 3-inch length provides proper engagement depth in driveline systems
- Heat-treated construction resists wear from constant engagement cycles
- Machined to tight tolerances for smooth operation and reduced vibration
Built for Real Farm Work
This coupling fits a variety of agricultural equipment where 15-spline drivelines are used, including rotary cutters, balers, and tillage implements. It’s designed for the type of equipment that needs reliable power transfer whether you’re cutting brush, baling hay, or working ground for planting season.
Made to Last
Farm equipment couplings take a beating from constant engagement, shock loads, and weather exposure. This one’s built with quality materials and proper heat treatment to handle those demands. The involute spline design spreads loads evenly across all teeth, preventing the premature wear you get with cheaper alternatives.
Good to Know
Check your old coupling’s spline count and diameter before ordering – 15 splines is less common than 6 or 21 spline configurations. Clean all splines thoroughly during installation and apply appropriate grease to prevent corrosion. Make sure the coupling fully engages but doesn’t bottom out in the hub.





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