case 850D mechanics input needed

Sampson

New member
the dozer just stopped pulling all at once. Everything was working great, shifted from forward to reverse then back to forward its like its in neutral. Transmission pressure guage is normal. The high low selector is engaged in low. All linkages are intact. Oil in transmission clean and full. Any help would be appreciated.
 

TOMLESCOEQUIP

Just Plinkin Away the $$
It's been about 25 years since I sold my 850 case trac loader, but isn't there a short drive shaft in between the torque converter and the main (mechanical) transmission ??
 

Sampson

New member
Yes there is. I found the problem with mine. The center spool in the modulater valve was stuck. I disassembled the valve cleaned it up and polished the bore and the spool with 2000 grit paper. I ran it about an hour and a half yesterday after reassembly and it did fine. The weather is getting bad now. Snow tonite. Thanks you for your attention and your input.
 
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