Traction JD 4020 Diff Lock

   / JD 4020 Diff Lock #1  

Grayson Klassen

Gold Member
Joined
Mar 1, 2011
Messages
267
Location
Fort St John, BC
Tractor
John Deere 4020
I have a 68 4020 and haven't ordered an operators manual yet.

The tractor has a Powershift Tranny which I love but I can seem to find the diff lock. The repair manual discusses one but Alas I cannot find it. I can kick power side to side with the brakes but never have both wheels turning.

Anyone have an idea?
 
   / JD 4020 Diff Lock #2  
I have a 68 4020 and haven't ordered an operators manual yet.

The tractor has a Powershift Tranny which I love but I can seem to find the diff lock. The repair manual discusses one but Alas I cannot find it. I can kick power side to side with the brakes but never have both wheels turning.

Anyone have an idea?

Diff lock was an option on 4020's >SN 91000-up. If equipped with diff lock the engagement pedal will be at RH rear of operators platform. After engagement pressing either brake pedal will disengage.
 
   / JD 4020 Diff Lock
  • Thread Starter
#3  
Thats probably the problem then my serial # is 78000 range. darn would come in handy at times too.

:(
 

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