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#1
10-05-2020, 04:16 PM
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Why Did this Hydro fail?
Well, I know I've talked about this transmission before, at the time I got about one helpful response and a bunch of rude people because I was new to working on a hydro. Well, over the past couple years I have tried to better my skills, and now have that tractor running and driving. But, there is one thing that I have never been able to figure out.
Why Did the old hydro fail? I am, of course, talking about my 1970 107. I bought the tractor with the bad hydro, and took it apart to find everything on the motor shaft shredded. There are a few possible reasons: Lack of fluid, or Overheating. The guy I bought my replacement hydro from said it was probably lack of fluid, but the pump and reservoir were all full of hy-tran when I dismantled it, even after 30 years of sitting in the weeds. The hydro fan on the driveshaft had no blades, meaning cooling was limited. I am curious to see if any of you here might be able to diagnose what went wrong. Pictured is the mess of shredded metal I found within the pump, later in the week I'll try to post pictures of the pump housing in case that might help. IMG_20201005_161450.jpg IMG_20201005_161517.jpg
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 '70 107 with k301 engine swap '71 106 with 38" deck '70 147R with factory replacement k321, 42" deck '61 Original with 38" timed deck '63 70 "pinkie" 1863 with 54" deck '46 Farmall H, '50 Farmall Cub 105 x2 (parts) 
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#3
10-05-2020, 04:26 PM
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Oops... forgot about that possible reason... I don't even think I have to ask how you know
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'70 107 with k301 engine swap '71 106 with 38" deck '70 147R with factory replacement k321, 42" deck '61 Original with 38" timed deck '63 70 "pinkie" 1863 with 54" deck '46 Farmall H, '50 Farmall Cub 105 x2 (parts)
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#4
10-05-2020, 04:43 PM
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I with Roland, as the slippers are ripped off the pistons.
But only one could of let go, or a different malfunction occurred and it self destructed. Many times it is difficult to really know which came first, the chicken or the egg, so to speak. Sometimes we just have to understand some things we will never know the underlying cause. We could guess till hell freezes over and might not guess or be able to prove the straw that broke the camel's back. Just too many variables is my opinion  One thing is certain, it "done blowed up" as they say in NASCAR.
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