I taught the first service school in the US on the 850 and 950 Deeres, back in 1977, I was 22 at the time...We totally tore 2 of those tractors down and put them back together something like 65 times during the time we taught the schools...They are made by Yanmar, but they are tough, reliable tractors, that's when I coined the term "Baby Deere" cause where I grew up, we didn't have any that small....