Farm Equipment - Allis 170 stalls

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Allis 170 stalls

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=149654
Printed Date: 01 Apr 2026 at 2:24pm
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Topic: Allis 170 stalls

Posted By: allisman1971
Subject: Allis 170 stalls
Date Posted: 19 Apr 2018 at 10:20am

this fall the diesel 170 stopped in the field.

starts up fine but stalls as soon as engage hand clutch.

wont budge

goes in all gears fine.

i have even raised rear wheels and they turn.

Any ideas? on how to diagnose?

Replies:

Posted By: DrAllis
Date Posted: 19 Apr 2018 at 10:56am

With rear wheels raised, I'll bet one goes forwards and the other goes backwards?? With the transmission in NEUTRAL, leave one rear wheel on the ground and the other one off the ground and I'll bet you cannot rotate the lifted wheel. This means the transmission is low on oil and the pinion (main shaft) bearings are welded together.

Posted By: allisman1971
Date Posted: 08 May 2018 at 9:13am

you were right!

how to fix?

do i have to take off axles?

Posted By: DrAllis
Date Posted: 08 May 2018 at 10:59am

This repair requires removal of fenders, both rear wheels, both rear axles, hydraulic valve console and some lines, lift arm housing, 3-point hitch and finally splitting the rear end away from the dashboard area. I would flat rate this repair at 30 hrs of labor, which would include new brake bands, disc lining and springs. This is a pretty big deal and a good sized cherry picker and lots of blocking are needed. Also figure out where the oil leak was that let the oil disappear. Replace the Oring on the PTO shifter lever while the tractor is split in two.

Posted By: Tbone95
Date Posted: 08 May 2018 at 11:13am

So....if a guy wanted to try and do this himself, that's one thing. 30 hours labor ($15-$2100?) + parts makes you wonder if it's worth it to hire out.

Posted By: DrAllis
Date Posted: 08 May 2018 at 11:40am

Then, what is the actual value of the tractor itself ?? If it needs 4 tires to be a "good" tractor, that's $1200 more. If the transmission jumps out of any gears, now's the time to fix that. Paying retail to fix something like this will probably exceed the tractors value for sure.

Posted By: Kurzy
Date Posted: 08 May 2018 at 12:59pm

Howdy,

Just doing that myself, bought the one seventy that way. Have all apart now, just ordered all bearings and gaskets!!

Kurzy

Posted By: Lonn
Date Posted: 09 May 2018 at 7:47am

Good maintenance can save a lot of trouble and money. BTDT when I was a teenager and had my Dad's WD given to me, it started to squeak very loudly from the rear end while raking hay so I pulled the oil plug and not a drop came out. I had just overhauled the engine after the tractor had sat in the pasture for more than 10 years but never thought about the rear end oil. Did the rear end work myself though and even a WD is labor intensive and the amount of filings in the rear end was outrageous. Now, every time I use a tractor I check every oil level first and grease every zerk.

When I worked at a dealership, a guy locked up a D17 while driving down the road due to no oil in the rear end. He didn't want to repair it so the old mechanic there filled it with oil and rocked the one jacked up wheel until it broke loose. I don't know how long it lasted for that D17 but the old mechanic there said there were lots of WD tractors out in the country that had that very same non-repair done to them. I wouldn't do it though and it would be on my mind if I sold it that way to an unsuspecting buyer.

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Posted By: EricTn
Date Posted: 09 May 2018 at 12:31pm

It is possible something happened to a shifting fork or rail broke leaving the transmission in two gears! I think I'd pull the transmission top first!

Posted By: Tbone95
Date Posted: 09 May 2018 at 12:39pm

OP says it goes into all gears fine. Wouldn't a shift fork problem at least fell funny on the lever???