4300 Diff Lock

   / 4300 Diff Lock #1  

texasranger556

Platinum Member
Joined
Aug 31, 2015
Messages
780
Location
Maryland
Tractor
JD 4400
I just ordered a replacement locking collar for my 4300. So far I just have the right side final drive off enough to find the broken pieces. Is it possible to put the new collar in without taking the top off the transmission/rock shaft to disconnect the engagement fork? It looks like it will be close but until I have the new part I can't tell for sure. The previous owner managed to fish several of the pieces out so I don't have all of them to glue back together for a test fit. Thanks!

IMG_20160521_161902.jpg
 
   / 4300 Diff Lock #2  
I do not recall if you can just slip the new part over the fork (photo), without
backing the shifter fork out a bit. I had mine all apart.

What is the condition of the other side of the dog clutch? Mine was worn pretty
badly, but replacing would require an all-new ring gear ($$$$).
 

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   / 4300 Diff Lock
  • Thread Starter
#3  
Thanks for the pics, that helps a bit. As for the other surface it isn't perfect but not bad enough I would consider pulling it out to touch up...certainly not bad enough to replace!IMG_20160522_141631.jpg
 
   / 4300 Diff Lock #4  
Yeah, the inner side of this dog clutch is softer steel, and the dogs get rounded off.
It is part of the ring gear, so replacing it requires purchase of a ring/pinion set, which
is prob north of $500.

I just reshaped them a bit with an abrasive wheel.
 

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