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IRONREFERENCE

3900378M91

PTO Clutch

transmission

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Supersession History

Part Details

OEM Number
3900378M91
Part Name
PTO Clutch
Qty per Tractor
1
System
transmission
Notes
PTO clutch assembly | 540 / 1000 RPM — 2-speed

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Data last verified April 2026. Sources: Massey Ferguson parts books, manufacturer catalogs, community submissions.