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deerejohn 
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Joined: 13 Dec 2021
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 Topic: hd6ep transmission
Posted: 13 Dec 2021 at 2:07pm |
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new user, posting for husband who doesn't use a computer. can anyone point us toward a reliable manual for powershift transmission on a hd6ep dozer? thank you.
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deerejohn
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Posted: 13 Dec 2021 at 2:13pm |
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Edit to add: we’ve bought both hard copy and downloaded manuals and none of them address the transmission specifically for this model, even when the covers/tables of content say that they include it.
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gemdozer
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Joined: 17 Sep 2009
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Posted: 13 Dec 2021 at 4:23pm |
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Check with MINN PAR they should have it
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DMiller
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Joined: 14 Sep 2009
Location: Hermann, Mo
Points: 30983
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Posted: 13 Dec 2021 at 4:53pm |
Should be the same they used in the 7G, I used to have one with that trans.
Parts are Non-existent except some used stuff, for seals will have to go to Hydraulic Cross Matches.
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deerejohn
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Posted: 13 Dec 2021 at 5:30pm |
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Any idea where the steering micron screen is located on the transmission? Is it behind a couple hoses?
He found the scavenger screen on the right.
Thanks for everyone’s help and patience.
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DMiller
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Joined: 14 Sep 2009
Location: Hermann, Mo
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Posted: 13 Dec 2021 at 6:44pm |
Page 188 of the MINNPAR HD6EP OEM Parts Catalog. Suction screen is in the (As in Seat) Left Front of Trans case. The steering pump is Engine Mounted beneath the Injection Pump, takes a suction from that point of the trans. If a late enough model will be the trans high pressure filter mounted in front of it.
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DMiller
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Posted: 13 Dec 2021 at 6:46pm |
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The way this trans works, the Main pump on converter takes suction from the trans sump AND the second sump in the above location, to feed that sump and the trans equipment, the Steering pump also takes suction of that mentioned Second sump.
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deerejohn
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Posted: 14 Dec 2021 at 7:37am |
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Thanks again. This has been a frustrating fix for a guy who can normally fix any part of any machine and your help is invaluable.
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HD6 Merv
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Joined: 03 Aug 2010
Location: New Zealand
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Posted: 14 Dec 2021 at 11:28pm |
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suction screen on lower LHS of transmission, sucks from steering clutch case and feeds both steering pump and main transmission pump. The screen and pump on right side of trans only scavenges oil from transmission and returns it to steering clutch case
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tits tyres and tracks
they all cost you money
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