7894413 – Knotter Head Worm Gear

Knotter head worm gear

£91.52 Ex. VAT

10 in stock (can be backordered)

SKU: MF-7894413 Category: Brand:
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Description

Massey Ferguson Knotter Head Worm Gear

The knotter head worm gear provides the gear reduction that drives the knotter mechanism at the correct speed and torque for reliable knot formation. As the primary drive reduction component within the knotter head, worm gear condition is fundamental to knotter timing — worn tooth profiles reduce drive efficiency and introduce backlash that disrupts the precise sequential timing required between billhook, twine disc and stripper arm on every knotting cycle.

  • Part Number: 7894413
  • Application: Worm gear for knotter head drive reduction
  • Function: Provides gear reduction for correct knotter timing and operation
  • Compatible Models:
    • 100 Series: 185SI, 185SII, 186, 187, 190
    • 2100 Series: 2140, 2150, 2160, 2170, 2170XD, 2190
    • 2200 Series: 2240, 2250, 2260, 2270, 2270XD, 2290
    • LB2200 Series: LB2224, LB2233, LB2234, LB2234XD, LB2244

When replacing the worm gear, inspect the mating worm shaft and knotter drive components for wear — worm gear and worm shaft wear is interdependent, and fitting a new gear against a worn shaft accelerates tooth wear and will not restore correct drive efficiency.

Additional information

Product Group

MF0001