While you wait for answers, we may have found some information which could help you.
Click here for Gear John Deere 68john deere 120 shuts down when engage mower deck?
John Deere L120 engaging blades kills engine?
Mower won't stay running?
john deere lawn tractor LT 15?
was mowing with john deere lx172 just quit running , dead?
fix steering J> Deere riding mower?