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I need some help or advice

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=205842
Printed Date: 16 Mar 2025 at 2:14pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com


Topic: I need some help or advice
Posted By: C15TA
Subject: I need some help or advice
Date Posted: 12 Mar 2025 at 9:06pm

I have a gas 170 and a diesel 170 that both have issues. The gas smokes, needs a clutch and the hydraulic pump needs another rebuild The diesel I have put about one hour on it since purchasing it three years ago. It has been a constant source of pain. Last week I lost a 25X32 building because of the snow load and need to get a tractor heavy enough to clean up the mess. I have spotted a Case IH 585 with a 2200 loader  (3900 hrs) and a Massey 255 with a Buhler loader. I don’t know much about either of these other than the Case having short clutch life. I am asking for a little input, advice or insider knowledge on either of these tractors… Maybe I should try to resurrect the gas 170 and limp through with it. Any thoughts are welcome…

Thanks,   Barry




Replies:
Posted By: DrAllis
Date Posted: 12 Mar 2025 at 9:15pm
The 170 needs an overhaul if it smokes blue. HOWEVER, just put in four AC Delco 46 XL hot spark plugs and add a quart of 30 wt oil whenever it gets down to the add mark. $100 will buy a LOT of oil and the tractor will still run fine. New foot clutch and what's the hydraulic pump doing ?? Bet it's not the pump. Easy decision.


Posted By: C15TA
Date Posted: 13 Mar 2025 at 7:10am

Thanks for the reply Doc. The oil I can live with. The hydraulic pump grenaded shortly after I bought it.  It also snapped the previously welded pinion that drives it. A local ex dealer supplied a new pump and used pinion and it worked good but was very noisey. I paid for a new pump from Allis but I am pretty sure it was a China unit and it was very noisey. After a couple of years I had some stiff steering so I pulled the pump and replaced the worn and scored parts. After a couple of years it got stiff again and then cracked the center section. A buddy who is a millwright and did all kinds of pump and hydraulic work for General Motors took it into the factory and went over it with all new Allis parts. Now the steering is acting the same again. You have to turn the wheel very slow. The 500 loader has good pressure and would lift the Titanic. I love this tractor and that is why I jumped at the 170 diesel which has been a disappointment. I had the gas booked for an overhaul and clutch but after nine months of being put on the back burner I gave up.

Barry



Posted By: DSeries4
Date Posted: 13 Mar 2025 at 2:33pm
Originally posted by C15TA C15TA wrote:

Thanks for the reply Doc. The oil I can live with. The hydraulic pump grenaded shortly after I bought it.  It also snapped the previously welded pinion that drives it. A local ex dealer supplied a new pump and used pinion and it worked good but was very noisey. I paid for a new pump from Allis but I am pretty sure it was a China unit and it was very noisey. After a couple of years I had some stiff steering so I pulled the pump and replaced the worn and scored parts. After a couple of years it got stiff again and then cracked the center section. A buddy who is a millwright and did all kinds of pump and hydraulic work for General Motors took it into the factory and went over it with all new Allis parts. Now the steering is acting the same again. You have to turn the wheel very slow. The 500 loader has good pressure and would lift the Titanic. I love this tractor and that is why I jumped at the 170 diesel which has been a disappointment. I had the gas booked for an overhaul and clutch but after nine months of being put on the back burner I gave up.

Barry



I live in Port Hope, what is wrong with the 170 diesel?  What kind of hydraulic fluid are you using in the gas 170?  Very odd that all your pumps are going bad - they are not usually a problem on these tractors.


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'49 G, '54 WD45, '55 CA, '56 WD45D, '57 WD45, '58 D14, '59 D14, '60 D14, '61 D15D, '66 D15II, '66 D21II, '67 D17IV, '67 D17IVD, '67 190XTD, '73 620, '76 185, '77 175, '84 8030, '85 6080


Posted By: DrAllis
Date Posted: 13 Mar 2025 at 3:04pm
I'd sure be looking at the screen inside the hydraulic sump. It is very fine, and if dirty, could be restricting oil flow to the pump.  I can count on one hand how many D-17 IV and One-Seventy hydraulic pumps I've ever gone thru.


Posted By: C15TA
Date Posted: 13 Mar 2025 at 8:38pm

Thanks for the replies guys. DSeries it’s a small world. I live north of the Big Apple and pass Port Hope twice daily on my way to and from work in Whitby so we are neighbours. I can’t remember the brand but I use fluid that I bought from Trewins the old Allis dealer in Blackstock.

Dr. I must confess I haven’t checked the screen in the sump for years. When the pump blew the first time Earl at Trewins cleaned the screen out and it had a rip in it so he brazed it up. It was NLA and he couldn’t find a used one. He told me then that it was important and it was one of the first things that I did when I bought the diesel. The first thing I noticed on the diesel was how much quieter the pump was.

Thanks again..    Barry



Posted By: DSeries4
Date Posted: 15 Mar 2025 at 9:40am
Originally posted by C15TA C15TA wrote:

Thanks for the replies guys. DSeries it’s a small world. I live north of the Big Apple and pass Port Hope twice daily on my way to and from work in Whitby so we are neighbours. I can’t remember the brand but I use fluid that I bought from Trewins the old Allis dealer in Blackstock.

Dr. I must confess I haven’t checked the screen in the sump for years. When the pump blew the first time Earl at Trewins cleaned the screen out and it had a rip in it so he brazed it up. It was NLA and he couldn’t find a used one. He told me then that it was important and it was one of the first things that I did when I bought the diesel. The first thing I noticed on the diesel was how much quieter the pump was.

Thanks again..    Barry



Earle really is a legend for Allis Chalmers knowledge in the area.  I have dealt with him for years - lots of good stories too! 
Regarding your hydraulic problems, there must be some contamination in the system that keeps destroying your pumps.  I would drain the entire torque tube and flush it with diesel.  Debris could also be in the valve body and loader cylinders as well.
What is wrong with your 170 diesel?  I have a line on a 175 diesel that I might be getting for parts.  170 and 175 share a lot of parts, so I might be able to help you out.


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'49 G, '54 WD45, '55 CA, '56 WD45D, '57 WD45, '58 D14, '59 D14, '60 D14, '61 D15D, '66 D15II, '66 D21II, '67 D17IV, '67 D17IVD, '67 190XTD, '73 620, '76 185, '77 175, '84 8030, '85 6080



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