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  1. R

    Oil & Fuel  Mobil SHC 639

    Has anybody ever heard of, or used Mobil SHC 639 gear oil? I have a friend who says he has a pail of it he would give me, but I'm having trouble finding too much info on it. I'd like to use it in my 1935 A John Deere transmission and rearend, but I can't find the viscosity anywhere. I did find...
  2. R

    Summit rear remotes on SA424

    Installed the Summit rear remote setup on my 424. No room on my rops due to the toolbox so I had to make a 2 x 2 cross bar and bolt it to that. These little tractors get full of stuff on the back pretty quick!
  3. R

    3020 three point speed adjustment

    Is there any way to adjust the drop speed on a 3020 three point? We have one at our shop and it drops really fast. I know many tractors have a little valve that you can adjust the speed, but I can't find one.