I agree 4000 was a stripped down 4020 but technically 4000 didn't have a 3020 read end. Granted 4000 had collar shift reverse with no reverse syncronizers such as 4020 had.
3020 planetary didn't have this shaft(R45779) or this carrier(R45842) and differential(ring gear & pinion AR33962) were same as 4020
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Today's Featured Article - Sunday Drives - by Cowboy. Summer was finally upon us here in Northern Maine. We have two types of industry up here, one being "Forestry" (Wood Products) and the other "Farming" (Potatoes). There is no shortage of farm tractors and equipment around here! I have been restoring old Farm Tractors for the past 6 years, and have found it easier and less expensive to hit all the auctions and purchase whole tractors for parts needed. My wife who works at a local school, and only has weekends and summers off, while on t
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