1) agricultural equipment relies on a network of local dealers to sell and maintain the equipment. For this reason, it's very hard for competition to break in.

1) agricultural equipment relies on a network of local dealers to sell and maintain the equipment. For this reason, it's very hard for competition to break in. No one wants to wait 2 weeks for a part for their tractor during crop season. 2) No other manufacturers offer real choice (and the required logistics I mentioned above), so it's not something the free market will fix.