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jd 140

  1. 140 Transmission/hydraulic level

    Hydrostatic Drive Tractors
    I have recently purchased a 1970 140 H3 (-10,000) and i have seemed to develop a question that i have yet to find a solid answer to. This is the first tractor i have had that uses transmission fluid for the hydraulics as well. After changing out all the fluids i cant determine if its best to top...