160 hydraulic issues
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=185334
Printed Date: 18 Oct 2025 at 11:27am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: 160 hydraulic issues
Posted By: victoryallis
Subject: 160 hydraulic issues
Date Posted: 25 Dec 2021 at 7:46pm
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I have a low houred 160 lost hydraulics at some point this summer. Shift boot was bad and was out of shed room because of a cement pour. It sat outside for a week while cement cured in that time we had a few decent rains so ended up with watery hydraulic oil Got it back inside and drained it and cleaned the strainer. Still nothing for hydraulics. Put it on back burner till now. Ideas?
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8030 and 8050MFWD, 7580, 3 6080's, 160, 7060, 175, heirloom D17, Deere 8760
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Replies:
Posted By: AC720Man
Date Posted: 25 Dec 2021 at 8:27pm
Anytime you drain the transmission/hydraulics you have to bleed it. The best way I have found is to put a open hydraulic hose on the rear remote coupler and cycle the remote. Usually point it into a 5 gallon bucket with a lid on it. Good to go after all the air is bled out. It won’t do anything until you bleed it. I just changed all the fluids on my 160 and had the same issue. Easy to resolve.
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1968 B-208, 1976 720 (2 of them)Danco brush hog, single bottom plow,52" snow thrower, belly mower,rear tine tiller, rear blade, front blade, 57"sickle bar,1983 917 hydro, 1968 7hp sno-bee, 1968 190XTD
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Posted By: AC720Man
Date Posted: 25 Dec 2021 at 8:33pm
Assuming you changed the hydraulic filter up front since it had water in the system? If not replace it along with the o-ring on the base. Keeping the transmission strainer clean is extremely important on these 160’s.
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1968 B-208, 1976 720 (2 of them)Danco brush hog, single bottom plow,52" snow thrower, belly mower,rear tine tiller, rear blade, front blade, 57"sickle bar,1983 917 hydro, 1968 7hp sno-bee, 1968 190XTD
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Posted By: MACK
Date Posted: 25 Dec 2021 at 8:36pm
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I have saw drain petcocks' on 160 pumps to bleed them. Kinda a common thing on 160s. MACK
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Posted By: tbran
Date Posted: 25 Dec 2021 at 10:38pm
Under the seat is a plastic strainer - I have used a hot ice pick and opened up the strainer as it will coat over very easy and block watery oil. We have installed one was check valves in the suction side- I looked and can't furnish the after market pn we used..sorry -
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When told "it's not the money,it's the principle", remember, it's always the money..
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Posted By: AC720Man
Date Posted: 26 Dec 2021 at 7:57pm
Mack, my pump doesn’t have a petcock, just a plug. Guess you could add oil there if the pump lost its prime. Bleeding the air in the system far away from the pump via the hydraulic coupler worked for me but I’m sure there is more than one way to do it. Always open to new ideas. Only took two quick strokes of the remote lever to get the air out and get the hydraulic’s working again including the 3 point lift.
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1968 B-208, 1976 720 (2 of them)Danco brush hog, single bottom plow,52" snow thrower, belly mower,rear tine tiller, rear blade, front blade, 57"sickle bar,1983 917 hydro, 1968 7hp sno-bee, 1968 190XTD
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