Be aware that the early 4020 and the side console 4020 are very different in all the hydraulics. They have distinct parts books and shop manuals because they are so different. 1966 is early.
In my parts book I see a "junction block with steering and brake pressure valve" For tractor SN 65000 to 105111 the block without parts is AR34662 sub for AR31125 SUB by AR51732. Parts to fit the latest early 4020 also fit AR51732 replacement assembly, sub for AR31125, AR34462, AR40029, and AR40130.
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Today's Featured Article - Search For Spares - by Anthony West (UK). Following on from the aquisition of the old Fordson F, I was very much in need of spares. As a novice though I didn't appreciate the fact that there were so many Fordson tractors made, that all the other makes seem rare by comparison. As far as I was aware a fordson was a fordson and it was only through trial an
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