I have John Deere L110 tractor. Would not start. It make clicking noise, no noiose, or a humming noise. No signed the engine is trying to turn. I changed the spark plug, Replaced battery and cleaned air filter. No fix. The tractor has only 50 hours. CAn you help with this issue.

Hi,
Most probably a bad solenoid; damaged internally. Deere part #AN133094.
Peace,
Clarke