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John Deer 400 garden tractor

L

Lakeguy

Member
The hydrostatic drive on my garden tractor shifts very hard or not at all or sticks where it is at in gear. Very scary as I mow near some retaining walls.
I know nothing about hydrostatic drives.Please give me some advice on what to do and where to look.This tractor is my year round tool for mowing pulling trailers and pulling the log splitter.
Thank you
 
Not sure about your particular model, but more likely the problem is in the external linkage than inside the hydro.

Look the linkage over for grass accumulation, something loose, something jamming the linkage. Try removing the link from the hydro lever, the lever should move fairly easily. If the linkage still binds while disconnected, you know it is external.
 
Take the fender deck off and get in there and clean out all the junk grass and debris that has accumulated over the years.
 
When's the last time you pulled the panels off and cleaned/lubed the linkage? Every spring I take the shields and panels off the Wheel Horse I mow with and pressure wash it and lube the linkage. Would assume your Deere would work similarly with cams and a roller.
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