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HD11E Steering
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Loganfraz View Drop Down
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Joined: 26 Jun 2018
Location: Calhoun, LA
Points: 3 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Loganfraz Quote  Post ReplyReply Direct Link To This Post Topic: HD11E Steering
    Posted: 27 Aug 2018 at 11:04am
I have a HD11E that quits steering after 30 minutes or so.

I have cleaned out the hydraulic suction strainer and changed the filters that is above the injection pump, under the seat and another one near the engine clutch housing.

I believe the hydraulic fluid isn't getting pumped from the transmission back to the pump because hydraulic fluid overfills the transmission and spills out.

Is there any other filters i have missed?

Thanks, Logan
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DMiller View Drop Down
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Joined: 14 Sep 2009
Location: Hermann, Mo
Points: 33852 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DMiller Quote  Post ReplyReply Direct Link To This Post Posted: 27 Aug 2018 at 11:41am
I looked at Minnpars parts book for this tractor, you have two pumps, steer is on the timing cover, trans is on the trans nose. There are two strainers UNDER the trans mounted pump that scavenge the trans oil to feed that pump to the steering housing and main trans oil filter. Have you had these off?


Trans pump is page 126 HD11E under Allis Crawler/wheel dozers.
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Loganfraz View Drop Down
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Joined: 26 Jun 2018
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Points: 3 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Loganfraz Quote  Post ReplyReply Direct Link To This Post Posted: 27 Aug 2018 at 11:57am
I have not, I appreciate the information. I'll see if I can find those
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DMiller View Drop Down
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Joined: 14 Sep 2009
Location: Hermann, Mo
Points: 33852 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DMiller Quote  Post ReplyReply Direct Link To This Post Posted: 27 Aug 2018 at 12:14pm
They appear to be inline to each f the scavenge tubes. Beyond that taking discharge pressure readings will tell if that scavenge pump is failing.
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gemdozer View Drop Down
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Joined: 17 Sep 2009
Points: 1036 		Post Options Post Options   Thanks (0) Thanks(0)   Quote gemdozer Quote  Post ReplyReply Direct Link To This Post Posted: 27 Aug 2018 at 5:39pm
The HD11E is standar shift with dry stering cluch and the transmission have a small front pump for circulated the oil inside and have a oil filter and the small pumps near the injection pump are one for the stering cluch booster and the second one is for the master cluch oil filter and the hydrolic oil is't connect to the transmission but am't a expert.
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gemdozer View Drop Down
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Points: 1036 		Post Options Post Options   Thanks (0) Thanks(0)   Quote gemdozer Quote  Post ReplyReply Direct Link To This Post Posted: 27 Aug 2018 at 5:43pm
The HD11E  have a dry stering cluch and the small pump near the injection pump is for the stering cluch booster and master cluch oil filter
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