What Size Please?

[krattzz]

We have a John Deere d140 tractor and I am trying to change out the spark plugs. Do any of you know the correct socket size for that model? Thank you.

 

[Rebeldad1]

two choices 5/8 or 13/16. take em both with you

 

[Wagtail]

I just checked a spare sparkplug for my D110.

16mm or 5/8"

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