The JD420 & 430 crawlers used different numbers of plates depending on their serial numbers.  On those machines Serial # 158041 and below the clutches used 7 fiber discs and 6 steel separator plates in each clutch.  On Serial # 158402 and up, but the 420 and the 430 used 8 fiber discs and 8 steel separator plates per clutch

The JD440 crawlers with a serial number up thru 455632 used 7 fiber discs p/n M3293 and 6 steel discs p/n AM984, replaced by the M872 .
The JD440 crawlers serial number 455633 and up used 8 fiber discs M3293 and 8 steel discs AM984 replaced by M872.

The JD1010 crawlers used 8 fiber discs in all the serial number ranges. From serial number 1 thru 31000 quantity 8 steel plates, p/n M872 were used and above that serial number, quantity 7 steel plates were used.

M3293 fiber discs, new after market 15.00 ea
AM984/M872 steel separator plates, new after market @ 14.00 ea

  JD1010  New Aftermarket Brake Bands with new lining   185.00

Click HERE to view all of our new steering clutch discs.
 

Email  webmaster@tractorparts.com for orders or questions.

 
Contact John Parks at 1-208-342-8911
General Gear and Machine, 733 Desert Wind Rd., Boise, Idaho, 83716  US
All prices are in USD
All OEM part numbers are for references only