The biggest problem with product development for agriculture use cases is that the conditions are extreme, every situation is unique, and the customers don’t really want what you are selling. It adds up to a lot of failed companies with good ideas that just couldn’t crack the distribution layer.
There is definitely demand for tractors from new producers. The inability to repair a tractor during harvest is simply unacceptable. Their technicians can take weeks to get around to you, especially if you are a small shop.
What kinds of repair needs do you usually run into that require vendor's technicians? Is it e.g. electrical, or are they the stereotypical "everything is a computer" type of problems that everybody complains about in cars? Can you try to fix even mechanical problems yourself, or are those typically not the issue?
There is definitely demand for tractors from new producers. The inability to repair a tractor during harvest is simply unacceptable. Their technicians can take weeks to get around to you, especially if you are a small shop.