Farm Equipment - 170 oil pan

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170 oil pan

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=194498
Printed Date: 13 Nov 2025 at 12:11am
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Topic: 170 oil pan

Posted By: D-SERIES
Subject: 170 oil pan
Date Posted: 07 Apr 2023 at 8:38pm

Can anyone confirm what the 170 engine oil pan bolt torque specs are? is it 18-20ft lbs?

Replies:

Posted By: DrAllis
Date Posted: 07 Apr 2023 at 9:12pm

12 to 15 ft lbs spec. Do you have each side gasket 100% glued solidly to the block?? And then thinly smear RTV on the pan side of the gasket with a daub in each of the four corners of the arch gaskets and then assemble to the 10 ft lbs number. Let sit overnight and cure and then torque to 12-15 ft lbs.

Posted By: D-SERIES
Date Posted: 07 Apr 2023 at 10:56pm

what do you glue the gaskets to the block with?

Posted By: DrAllis
Date Posted: 07 Apr 2023 at 11:15pm

I use 3M 8001 yellow weather strip glue.

Posted By: D-SERIES
Date Posted: 08 Apr 2023 at 7:26am

do you use that one just the side gaskets or you glue the front and rear u gaskets as well. Had the engine overhauled and had to split tractor again because cam plug was leaking oil. Replaced that and back together now i have a slow but steady leak from the rear u gasket on the oil pan. mechanic that is working on it had the oil pan off prior to splitting it thinking it was the pan gasket that needed replaced but never replaced the gasket and just added silicone when he put back together and now i have this leak.

Posted By: D-SERIES
Date Posted: 15 Apr 2023 at 9:42pm

So on the front and rear u gaskets am i correct by saying that these gaskets are the correct fit and should not be trimmed shorter because they need to be compressed to seal. had new gaskets put in and guy trimmed the back one because he thought it was to long when he was gluing it in place and have a slow but steady leak coming between the gasket and bearing block

Posted By: DrAllis
Date Posted: 15 Apr 2023 at 10:40pm

If you shorten the end gaskets they will SURELY leak.

Posted By: DrAllis
Date Posted: 16 Apr 2023 at 7:03am

Those "arch" end gaskets need to be placed inside a tube that rolls them around into shape days before you want to use them. I always have a pair sitting on the shelf curled up months ahead of when they get used. Whatever tube diameter it takes to roll them up so the ends touch and leave them like that to take shape.

Posted By: Alvin M
Date Posted: 16 Apr 2023 at 7:38am

I always use the clips to hold them in place