New Holland 143183 is the slotted nut Clinton Tractor supplies for this application. It is listed as fitting 3 New Holland models.
What 143183 fits
Fits: New Holland ROLL-BELT-450, New Holland ROLL-BELT-460, New Holland D1000. Commonly ordered for the D1000, ROLL-BELT-450, ROLL-BELT-460. If your machine isn't listed, check the serial number before ordering.
Which numbers it replaces
143183 replaces 374326A1, 603373, 715301066, 86609765. If your parts manual or the old box shows any of those numbers, this is the correct current replacement — no fitment change.







