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170 allis hydraulic filler

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=51868
Printed Date: 29 Sep 2024 at 3:21pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com


Topic: 170 allis hydraulic filler
Posted By: wulfdog
Subject: 170 allis hydraulic filler
Date Posted: 10 Jun 2012 at 11:56am
Help! My 72 yearold mom has my 170 Allis in okla. She can't figure out where to pour the hydraulic fluid into the trans. Theres two dip sticks one on each side of the gearshift the one on the left is so low its not showing fluid on the dipstick. Do you pour new hyd. Fluid in that same hole? Also what is the modern equivalent fluid you can purchase like at autozone to replace this fluid. I read the manual says agco 821 xl is there a universal one she can get on sunday at an autoparts store that will work?



Replies:
Posted By: wulfdog
Date Posted: 10 Jun 2012 at 11:59am
I've been gone 4 years and just cant rember where it goes. I told her it seems logical to pour it where its needed. So i suggested down the same hole as the dipstick seems logical to me.


Posted By: AC200Puller
Date Posted: 10 Jun 2012 at 12:02pm
Yes both compartments are filled though the dipstick holes. you can buy hydraulic fluid at any farm or parts store.


Posted By: wulfdog
Date Posted: 10 Jun 2012 at 12:17pm
Thanks ac200 i was sure that was right. Would any 90 weight hyd fluid work?


Posted By: DrAllis
Date Posted: 10 Jun 2012 at 12:25pm
NO !! hydraulic fluid, not 80/90 wt.


Posted By: AC200Puller
Date Posted: 10 Jun 2012 at 12:38pm
Yes as the doc says hydraulic fluid not gear lube .


Posted By: wulfdog
Date Posted: 11 Jun 2012 at 12:11am
Ok thanks. I was about to tell her the wrong thing.


Posted By: wulfdog
Date Posted: 11 Jun 2012 at 12:16am
Does the left dipstick and the middle one both take hydraulic fluid? Shes going to john deer what should she ask for? What hydraulic fluid weight etc. Sorry to sound stupid.


Posted By: AllisUpstate
Date Posted: 11 Jun 2012 at 5:25am
The left forward one with the hex nut filler is the hydraulic fluid one, while the right one slightly rearward with the cap is the 90W gear lube. 

But the real thing I gotta ask is your 72 year old mom driving the tractors?  Way to go!


Posted By: Longmeadow Farm
Date Posted: 11 Jun 2012 at 5:49am
I use John Deere Hy-Tran in both compartments in my 175. left, hex-nut top, one is hydraulic system and typically gets low from normal use and the right, with the breather cap, is the transmission, which I run a bit higher than factory spec, using either Case/IH or John Deere hydraulic oil, upon recommendation a few years back by a master mechanic, after a transmission rebuild. Do not use 80-90 weight gear oil in the transmission.  


Posted By: wulfdog
Date Posted: 11 Jun 2012 at 9:30am
You'd be in for a fight if you tried to stop her from driving that tractor. She mounts that thing like a ten year old. She has 2 screw to brushog so she sits and watches for the gras to think about growing and shes right after it. Thanks so much for the help.


Posted By: wulfdog
Date Posted: 11 Jun 2012 at 9:31am
Thanks do much for the help i've alresdy called her.


Posted By: NC Bruce
Date Posted: 11 Jun 2012 at 10:48am
According to AC manuals, we've been using: 
AC 170's   left side(sitting on tractor seat) hex head dipstick quality Hydraulic Fluid , and right side large round headed dipstick takes the 80-90wt oil.
 
the AC 175's use the quality Hydraulic Fluid in both sides.
 
I assume this is true for even the last few(newest) AC 170's,  and first few(oldest) AC 175's ?
 


Posted By: AllisUpstate
Date Posted: 11 Jun 2012 at 10:56am
wulfdog,

Send my regards to your mom!  I hope I'm still bushogging with my D17 when I'm 72.  Good for her.  At least you never have to worry about what to get her for Mother's Day - I'll bet she'd love an AC cap or something. 


Posted By: Longmeadow Farm
Date Posted: 11 Jun 2012 at 3:29pm
Ya learn something every day. I just checked my IT manual that covers the 170 & early 175s...236 engine. The "book" says to use hydraulic oil in the hydraulic system and gear oil in the transmission. My 175 is a late model serial number 7060 ..year 1980.and the ops manual calls for 821 fulid in both. When did this change? And why?  I was under the impression that the 170/175 transmissions were essentially the same unit?  Were there as many transmission problems after switching to the  821 fluid?
Thanks, just curiuos...I guess 


Posted By: DanD
Date Posted: 11 Jun 2012 at 3:48pm
Originally posted by Longmeadow Farm Longmeadow Farm wrote:

Ya learn something every day. I just checked my IT manual that covers the 170 & early 175s...236 engine. The "book" says to use hydraulic oil in the hydraulic system and gear oil in the transmission. My 175 is a late model serial number 7060 ..year 1980.and the ops manual calls for 821 fulid in both. When did this change? And why?  I was under the impression that the 170/175 transmissions were essentially the same unit?  Were there as many transmission problems after switching to the  821 fluid?
Thanks, just curiuos...I guess 

The transmissions didn't change at all.  THe available oils did.  WHen they came out with trans-hydraulic oil, AC changed their official recommendations even for older tractors, recommending the use of the 821 where the recommendation earlier had been gear oil.


Posted By: Charlene
Date Posted: 20 Jul 2019 at 11:55am
Where is the drain plug located for the hydraulic oil?


Posted By: Longmeadow Farm
Date Posted: 20 Jul 2019 at 5:26pm
under the power director housing is a sump with a drain plug. By removing the sump pan you can get at the internal filter screen... might be a good preventative step ..probably has never been cleaned. 



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