Same as power-shift option on 3020 and 4020s.There have been several that were put on later and if done right it would be difficult to tell.There extra value is strictly from collector demand as they were not the greatest.On 30/40 series they are discounted and bring less than 2WDs.I do know how many 4320&6030s power shifts were made and 4840 syngros.[0]If you had a 72 4020 gas P.S.HFWA [and I think there are some] that would be rare.I actually know of a few 4320s w/ HFWA.so they must have made several.The MFWD was a big step forward in tractor efficiency.
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Today's Featured Article - Fire in the Field A hay fire is no laughing matter-well, maybe one was! And a good life-lesson, too. Following World War II many farm boys returned home both older and wiser. One such man was my employer the summer I was sixteen. He was a farmer by birth and a farmer by choice, and like many returning soldiers, he was our silent hero: without medals or decorations, but with a certain ability to survive. It was on his farm that I learned to use the combination hand clutch and brake on a John D
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