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C15TA 
Bronze Level
Joined: 06 Oct 2019
Location: Castleton ON
Points: 15
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 Topic: I need some help or advice
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
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DrAllis
Orange Level Access
Joined: 12 Sep 2009
Points: 21142
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Posted: 12 Mar 2025 at 9:15pm |
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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.
Edited by DrAllis - 12 Mar 2025 at 10:18pm
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C15TA
Bronze Level
Joined: 06 Oct 2019
Location: Castleton ON
Points: 15
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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
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DSeries4
Orange Level
Joined: 12 Sep 2009
Location: Ontario, Canada
Points: 7407
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Posted: 13 Mar 2025 at 2:33pm |
 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
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DrAllis
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Joined: 12 Sep 2009
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Posted: 13 Mar 2025 at 3:04pm |
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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.
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C15TA
Bronze Level
Joined: 06 Oct 2019
Location: Castleton ON
Points: 15
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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
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DSeries4
Orange Level
Joined: 12 Sep 2009
Location: Ontario, Canada
Points: 7407
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Posted: Yesterday at 9:40am |
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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