> farm equipment runs at slow speeds using off the shelf industrial diesel engines John Deere manufactures it’s own engines in many cases, but it also uses eng

> farm equipment runs at slow speeds using off the shelf industrial diesel engines John Deere manufactures it’s own engines in many cases, but it also uses engines from other manufacturers. > never (intentionally) leaves the ground or exceeds 30mph Yes, aviation has a lot lower risk tolerance than agriculture, but ag equipment still kills plenty of people, and I’d probably rather be in a head-on collision with a honda civic going 50mph than an 8R going 30mph. > Most medium sized countries have tractor factories, as they're essential for food production for the population. Are you just reiterating that John Deere has more competitors? If so, I think this is misleading because most of these factories are just the same few competitors with factories in different companies (rather than distinct companies per country).