While you wait for answers, we may have found some information which could help you.
Click here for John Deere Gear
What would cause belt to flip on a pully ?
John Deere L120 engaging blades kills engine?
John Deere L130 clutch problem?
John Deer LA105?
JD lawn mower LT133 wondering if clutch switch could be bad?
John DeereL111 mower deck does not engage. ?