It's difficult to get a $750,000 machine with a top-speed of 25mph to a repair shop, so even if the frequency of those visits is low, it can be a massive burden. This assumes you can drive it there.
Also, farming is a seasonal thing with (sometimes) small windows to do certain things. If weather is great and your tractor is in the shop you might miss a good planting opportunity -- it could rain by and you might need to wait a few weeks before you can get in and work that field.
This kinda blew my mind when I first thought about it -- a farmer really only has like 50 chances (crop years) in their life to perfect their craft. One bad year can be devastating.
Also, farming is a seasonal thing with (sometimes) small windows to do certain things. If weather is great and your tractor is in the shop you might miss a good planting opportunity -- it could rain by and you might need to wait a few weeks before you can get in and work that field.
This kinda blew my mind when I first thought about it -- a farmer really only has like 50 chances (crop years) in their life to perfect their craft. One bad year can be devastating.