While you wait for answers, we may have found some information which could help you.
Click here for John 4300 TractorJohn Deere 2040s pick up hitch ?
Can't get John Deere STX38 to start?
rocker shaft of a 4450 John Deere Tractor?
john deere 3010?
Tractor won't start after being shut off in gear?
any suggestions for sluggish hydraulics on 2040A?