My experience was about thirty years ago.
Half the pain was from all ready being warn out and mutilated when purchased,,
The other half of the problem was the local agent dealer didn't stock anything and couldn't get anything,,
,,well not in a hurry, that's for sure.
In charge of maintenance for a Coates hire region long ago.
We hired Stihl Saws. I swear by them.
I couldn't imagine a hire business full of the identical Mac's that I owned