Knotter Bill Hook Pinion Gear Replacement For New Holland And Case IH Square Balers 570 575 580 565 326 320 316 311 310 541 551 530 540 Replaces 121572 614898 80121572 Heavy Duty Precision Machined

Knotter Bill Hook Pinion Gear for NH & Case Square Balers
✔️ Heavy-duty cast steel knotter pinion gear for reliable timing

This heavy-duty knotter billhook pinion gear is a precision machined replacement designed for New Holland and Case IH square balers. It drives the knotter mechanism and keeps timing accurate during bale tying operations.

✅ Cast steel construction ensures durability for field use
✅ Replaces worn or damaged billhook pinion gears to restore knotter drive timing
✅ Compatible with New Holland and Case IH square balers including models 570, 575, 580, 565, 326, 320, 316, 311, 310
✅ Replacement part numbers: 86578202, 121572, 614898, 80121572, 80614898, 86529481
✅ aftermarket replacement part not affiliated with original manufacturers; part numbers are for identification only

💡 What is a knotter billhook pinion gear used for in square balers?

Here's a handy explanation for buyers.

• It transfers rotational power to the knotter drive, keeping bale tying timing on track
• Replaces worn gears to restore stable knotter operation
• Cast steel construction is built to handle field conditions
• Widely compatible with New Holland and Case IH square balers

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