190XT 3 lost all hydraulics instantly
Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=161776
Printed Date: 10 Sep 2025 at 4:00am
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Topic: 190XT 3 lost all hydraulics instantly
Posted By: youngorange2000
Subject: 190XT 3 lost all hydraulics instantly
Date Posted: 09 Jun 2019 at 9:52pm
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I was moving wagons from farm to home and pulled out on the road empty, opened up the throttle and like a light switch lost all hydraulics, ended up in the ditch and took out my own fire marker in the process just thankful it wasn't with 240bu of corn. The tractor was working perfectly fine for the hour or so intel then. I have lost steering before and that was a piece of gunk in the splitter valve on the back of the hydraulic pump checked there, no change also no new or missing noises. any help would be much appreciated. its my main tractor and moneys very tight right now
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Replies:
Posted By: MACK
Date Posted: 10 Jun 2019 at 6:24am
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Splines are worn out on gear that drives hydraulic pump. MACK
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Posted By: youngorange2000
Date Posted: 10 Jun 2019 at 11:45am
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I took the pump apart today and found that the 4 brass plates are chewed up bad,gears are shot,shafts are wore bad. also the housings look good. Now I am wondering if I can replace the bairngs in the pump or are they a non serviceable part of the pump?
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Posted By: Dave H (NE)
Date Posted: 10 Jun 2019 at 12:01pm
yes the bearings are replaceable
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Posted By: SteveM C/IL
Date Posted: 11 Jun 2019 at 11:01pm
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Time you buy all the parts,you'd be ahead to buy new pump. Shouldn't need another one in your life time. Get used at salvage? What's it going to be like?
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Posted By: MACK
Date Posted: 12 Jun 2019 at 9:40pm
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If bearings are shot, I'm sure the steel housings are shot. Run your finger around top and bottom where gears run. If they are shot, you might cut your finger. Be careful. MACK
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