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HD-4 oils
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rodnil View Drop Down
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Joined: 15 Sep 2009
Location: illinois
Points: 247 		Post Options Post Options   Thanks (0) Thanks(0)   Quote rodnil Quote  Post ReplyReply Direct Link To This Post Topic: HD-4 oils
    Posted: 05 Jan 2016 at 10:01pm
I have an HD-4 and I'm attempting to identify the correct oils to use in it. The torque converter & shuttle clutch in the operators manual says to use type "A" suffix A transmission oil. What is this in todays oils? Same with the transmission oil. The manual says to use SAE 20-20W
And what is the correct oil for the hydraulic system. Are any of these oils need to be non-foaming oils? My farm stores and local NAPA store can not help me identify the correct oils to use. Any and all help is welcomed. Rodney

















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JohnCO View Drop Down
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Joined: 11 Sep 2009
Location: Niwot Colo
Points: 8992 		Post Options Post Options   Thanks (0) Thanks(0)   Quote JohnCO Quote  Post ReplyReply Direct Link To This Post Posted: 05 Jan 2016 at 10:36pm
Type A is that red automatic transmission fluid, I think it is about 10 weight.  20-20 would probably work but it might be too thick for winter use, it might take a bit of running before you could move the machine.
"If at first you don't succeed, get a bigger hammer"
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Coke-in-MN View Drop Down
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Joined: 12 Sep 2009
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Points: 41947 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Coke-in-MN Quote  Post ReplyReply Direct Link To This Post Posted: 06 Jan 2016 at 6:25am
Type A is Dextron - GM transmission - 
20 - 20 I think I would use Universal Tractor Hyd fluid Hi Tran - or other such universal oil 
For Hyd use YES a NON FOAMING oil  there 10/30 motor oil or the Universal oil again 
final reductions 80/90 gear oil 

As the torque converter is involved I would stick to the ATF in clutches and fwd/rev section- a good quality oil as it needs to flow freely in all temps.
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"Challenges are what make life interesting; overcoming them is what makes life meaningful."
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pinball View Drop Down
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Joined: 28 May 2014
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Points: 6355 		Post Options Post Options   Thanks (0) Thanks(0)   Quote pinball Quote  Post ReplyReply Direct Link To This Post Posted: 06 Jan 2016 at 9:00am
Under my lid of the hydraulic tank there is a list of all oils for my h4. TYPE A TRANSMISSION FLUID FOR THE TRANSMISSION AND 30 WEIGHT OIL FOR THE HYDRAULICS. I just had to remove my hydraulic controls to fix some leaks. Went to my local farm and home store and bought 30 weight to fill it up. So far its has been fine. Norm
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