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loader hydraulic fluid

  1. A

    1971 CAT 977L Coolant in Hydraulic Oil

    Good evening. I have a 1971 CAT 977L with a D333C. (Serial 70J1348). When I purchased this machine, it had very milky fluid and I have since flushed the system out twice with cheap Tractor Supply fluid, new filters for each flush, but somehow keep ending up with (what I thought to be water) in...
  2. Troy4500Industrial

    1974 580B Hydraulic Fluid

    Hello! So I've read enough posts on here to understand that for the trans on my 580B, I need to not be the extreme tight *** I naturally tend to be and buy the good CASE Hy-Trans fluid from the dealer ... my question is, for the hoe and loader, the hydro fluid I will be putting in my loader arm...
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