4010 wont start when warm

I have a john Deere I bought that when it has run for a while and you shut it off it will turn over difficultly but will not start. If let it set about 10 minutes it will start readily any ideas why it wont start when warm. It has a 404 combine Diesel engine in it.
 

What you describe is a common "non starting" problem on JD tractors that have closed center hyd's such as your 4010. While attempting to start engine one can turn steering wheel from side to side to relieve hyd pressure to lessen load on starter OR acquire/install/utilize a hyd pump destroking screw. AR33249 was the PN for the DS screw for hyd pump less serial number plate but that part number subs to part numbers listed below in photo.

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