Farm Equipment - 1959 AC D17 Oils

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1959 AC D17 Oils

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=139687
Printed Date: 29 Dec 2025 at 4:08pm
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Topic: 1959 AC D17 Oils

Posted By: RuddyDuck
Subject: 1959 AC D17 Oils
Date Posted: 22 Jun 2017 at 6:31pm

I bought a 1959 D17 Series 1 with 226 engine. Owners manual and shop manual are outdated on engine oil, tranny oil,and hydraulic oil. If anyone could please help, I would greatly appreciate. I have mixed findings on engine oil. Not sure the rest. Thanks.

Replies:

Posted By: Dave in il
Date Posted: 22 Jun 2017 at 6:59pm

We've always used 15-40 Diesel oil with no problems, I'm talking from when Dad had a D17 diesel along with the WD45 gas and a Massey 44 gas, one barrel for everything. our Standard Oil man said for no more than the difference in cost for the higher spec oil why have two barrels.

The WD45 is still going strong along with a couple WCs, WDs, D17s the, D19d, 7060, 8050 and 8070. We've changed suppliers a few times over the years and currently use FS brand, even use it in the semi's instead of Shell Rotella.

For hydraulic and transmission we use FS trans/hydraulic oil that is compatible with AC 821 fluid. for anything that calls for 90wt gear lube we use a name brand 85/140.

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