pto jumping out

   / pto jumping out #1  

dttrac

New member
Joined
Sep 27, 2013
Messages
2
Location
hernando,ms
Tractor
63 4000 ford
pto is jumping out of gear. there is no in and out play on output shaft, does anybody know what internal parts of the pto, that normally goes out or can cause this problem on 63 ford 4000 diesel tractor
 
   / pto jumping out #2  
Fairly common problem. Easiest is (but not recommended) to put a rubber bungee on the lever to hold it in gear. :) What is happening is the cogs on the collar inside the rear end housing that slide the PTO into gear have worn and rounded off and under load they are pushing the collar away, popping it out of gear. To correctly repair, the top cover of the rear end comes off (that is usually the 3pt lift assy), the pto shaft comes out the back and the shift assy can be removed then. It is held in place by 6 bolts around it's base. Sometimes the tractor will need to be split between the transmission and the rear end. Once the shift assy is out, it can be disassembled and inspected very easily. New or used parts are available, if you need help finding them let me know.
 
   / pto jumping out #3  
pto is jumping out of gear. there is no in and out play on output shaft, does anybody know what internal parts of the pto, that normally goes out or can cause this problem on 63 ford 4000 diesel tractor

pto popping out on a manual gear 4 cyl 4000 and no thrust play?

pull the pto shifter cover and make sure you are getting her engaged all the way. if yes and detent is good and still pops.. then yeah.. you will need to get in there.. very likely some wear .. repalcement parts are PLENTIFULL
 
   / pto jumping out #4  
Fairly common problem. Easiest is (but not recommended) to put a rubber bungee on the lever to hold it in gear. :) What is happening is the cogs on the collar inside the rear end housing that slide the PTO into gear have worn and rounded off and under load they are pushing the collar away, popping it out of gear. To correctly repair, the top cover of the rear end comes off (that is usually the 3pt lift assy), the pto shaft comes out the back and the shift assy can be removed then. It is held in place by 6 bolts around it's base. Sometimes the tractor will need to be split between the transmission and the rear end. Once the shift assy is out, it can be disassembled and inspected very easily. New or used parts are available, if you need help finding them let me know.

It's a lot faster to just loosen the pto shaft by pulling it out the back a few inches, removing the pto shift cover and replace the the coupler by feel through the round opening.


The splines on the pto shaft may also be worn or buggered up keeping the coupler from making full contact. I would pull it out and see if they need to be dressed with a small file.
 
   / pto jumping out #5  
may even be rounded / chewed off as it walked out of engagement
 

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