Eastern VA. No such thing as too many Magnums. | The front tires are actually 1 foot taller? Wow, I don't know what to think about that. I've never seen one that is actually 1 foot taller. That makes me wonder if someone changed them out and they're wrong. I know for a fact Deere never offered it like that. I don' t think the ring and pinion on the rear end of a high crop is any different. It's just the drop axles. I know the front is really geared down. It was a bad idea too, because gearing those 7000 series down so low put a lot of strain on the front diff and planetaries and we had a couple fail. Late in the 10 series high crops, they started putting 12 bolt front planetaries on the high crops. (Same as the 8000 series!) It was amazingly huge for a 100 hp tractor. Here is a side by side picture of the small 10 bolt front end on a 10 series and the large 12 bolt on a 20 series, sorry, not the best picture. Also notice the front tires look bigger, but they're actually not.
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 7410and7420.JPG (81KB - 650 downloads)
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What are "mudder tractors" ?
