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 - Restoration Story: Fordson Major - by Anthony West. George bought his Fordson Major from a an implement sale about 18 years ago for £200.00 (UK). There is no known history regarding its origins or what service it had done, but the following work was undertaken alone to bring it up to show standard. From the engine number, it was found that this Major was produced late 1946. It was almost complete but had various parts that would definitely need replacing.
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