Same reason you don't see news stories about all the successful airplane flights that happen day in and day out. Only see when one crashes. Wonder what the ratio of that is?
I know this is an old thread, but thought I would share my experiences. In Jan of 2019 I bought a RX6620cab w/elect shuttle. I put 400hrs on it the first year. Never did I have a single problem with the tractor that was not fault of my own. The tractor never broke or failed in any way. Now I...