Weld In 12 Spline Blade Hub Snug Fit For Most 40 Horsepower And 50 Horsepower Gearboxes With 1.57 Inch Bore Tough Steel Construction That Slides Right In Saves You Cash And Gets Your Mower Back In Action Fast

Single Steel 12 Spline Blade Hub for 40 50 HP Tractor Rotors
✔️ 1.57 inch bore 12 tooth spline direct weld replacement hub

This rugged steel sleeve swaps out stripped cutter shafts on walk behind mowers and compact tractors. It delivers immediate mounting support for rotating decks and attachment drives across common field setups.

✅ Machined 1.57 inch center hole slides directly onto factory spindles
✅ Cold forged low carbon steel tolerates constant vibration and impact
✅ Twelve matching gear teeth engage smoothly without additional cutting

💡 What makes a reinforced 12 spline blade hub essential for high torque PTO drivetrains?

The upgraded steel sleeve provides steady rotational support and prevents premature shaft failure under heavy cutting loads.

- Tightly controlled bore tolerances lock securely onto factory gearboxes for zero wobble operation

- Heat treated surface hardening resists abrasive debris and extends overall drivetrain lifespan

- Straight drop in design simplifies field repairs and cuts down on expensive mechanic visits

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