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AC7040 
Bronze Level
Joined: 17 Feb 2015
Location: Indiana
Points: 152
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 Topic: Trans/Hydraulic Oil Recommendation for Allis 5050
Posted: 17 May 2020 at 6:18pm |
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Howdy men! Would like to change Trans/Hydraulic Oil in my Allis 5050. Book recommends Allis Chalmers Power Lube 15-40 which I assume just means 15w-40 motor oil. With the technology used to make better oils since the manufacturing of the 5050, would you recommend using a different oil or continue to use what the operators manual recommends. Thanks in advance!
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1953-WD45, 1949-G, 1950s Snap-Coupler All-Crop Drill, 1956 Roto-Baler, 1945 All Crop 60, Snap Coupler Subsoiler, Plow, Gleaner F, 505 wagon
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DrAllis
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Joined: 12 Sep 2009
Points: 21384
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Posted: 17 May 2020 at 6:25pm |
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I can't imagine that is correct. 15W-40 was for the engine. 821 or 821XL was for the transmission/hydraulic system.
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AC7040
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Joined: 17 Feb 2015
Location: Indiana
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Posted: 17 May 2020 at 6:41pm |
I agree with you Dr. Allis I was shocked to read it as well! Why I was hoping all the experts on here would have some good knowledge. 
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1953-WD45, 1949-G, 1950s Snap-Coupler All-Crop Drill, 1956 Roto-Baler, 1945 All Crop 60, Snap Coupler Subsoiler, Plow, Gleaner F, 505 wagon
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DrAllis
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Posted: 17 May 2020 at 6:52pm |
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Well, mis-prints never seem to get corrected. On page 30 of a WD45 Operators manual there is a clear mis-print on step #4. Pretty sure the WD manual reads the same, so from 1948 to 1957 there was a mistake and never corrected.
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BrianC
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Joined: 16 Jun 2011
Location: New York
Points: 1619
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Posted: 17 May 2020 at 7:04pm |
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If the 5050 was made from the Fiat 570 tractor (was it ?), the Castrol website calls for the same oil in engine and transmission/hydraulic to be used for the Fiat 570. Couldn't find a manual online for the 570.
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DougG
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Joined: 20 Sep 2009
Location: Mo
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Posted: 17 May 2020 at 7:34pm |
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Some skid loaders used the 10-30 oil in the hydraulics too,
Edited by DougG - 17 May 2020 at 8:37pm
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MACK
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Joined: 17 Nov 2009
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Posted: 17 May 2020 at 8:07pm |
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10-30 is supposed to be a worldwide universal hydraulic oil. Most foreign built tractors are shipped over here with 10-30 hydraulic in them. MACK
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AC7040
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Location: Indiana
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Posted: 17 May 2020 at 8:35pm |
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Good to know MACK. Not planning on using tractor daily or working her real hard. Being a dry clutch I don't have to worry about hurting it. Shouldn't generate too much heat for what I plan on using her for so the gears aren't of too much concern. Primarily wanting to make sure the hydraulic pump is getting the proper fluid as I don't want to have to get a pump rebuilt 😬 I did look on the "lubrication and service guide" part of the manual and it does list using 15-40 for the hydraulic and transmission so probably not a misprint, unless it's misprinted in two places. On a side note, for the 5050 front wheel drive units, recommends 15-40 for the front axle housing and front axle final drives. Looking like for tractors made overseas 15-40 was the go to oil
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1953-WD45, 1949-G, 1950s Snap-Coupler All-Crop Drill, 1956 Roto-Baler, 1945 All Crop 60, Snap Coupler Subsoiler, Plow, Gleaner F, 505 wagon
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