The lower link end (4‑hole / OEM style) for Massey Ferguson tractors is a critical interface between the lower lift arm and the implement mounting ball or swivel. The “4‑hole” design means the ball mount or swivel piece is attached to the end via four bolt holes (usually in a square or rectangular bolt pattern). This ensures secure, rigid mounting and proper alignment under load.
Key features:
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Ball / Swivel Attachment: The end houses the ball or swivel that connects to the implement top link bracket; the ball is fastened via 4 bolts.
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Category & Pin Size: These ends are made to match the tractor’s linkage category (Cat I, Cat II) and pin diameter (for example 1″, ¾”, etc.). For instance, part 184462M92 is CAT 2 for 1″ pin.
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Material & Strength: Made from high‑strength steel, often heat treated or surface treated to resist wear, fatigue, and corrosion.
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Dimensional Fit: The tail or slip portion must fit correctly into the lower arm, the bolt hole pattern must match the ball, and the ball diameter must match implement mounting geometry.
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OEM / Aftermarket Interchange: These ends often match OEM part numbers (like 184462M92 / 184463M92) for direct replacement.
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Load & Durability: Because the 3‑point linkage transfers significant vertical loads and lateral stresses, the joint must maintain alignment and resist loosening or fatigue during field use.
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Maintenance: Periodic inspection for wear on the bolt holes, cracks, loosening bolts, or ball swivel play is essential. Replace or refurbish before excessive wear leads to component failure.





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