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Allis 180, worth removing final drive pans?

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ryan_allis180_MN View Drop Down
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Joined: 30 Jun 2019
Location: MN
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Post Options Post Options   Thanks (0) Thanks(0)   Quote ryan_allis180_MN Quote  Post ReplyReply Direct Link To This Post Topic: Allis 180, worth removing final drive pans?
    Posted: 20 Jan 2020 at 6:22pm
Hello everyone. After getting the injection pump rebuilt and getting some leaky cylinders repaired, I'm eyeing up the Allis 180 for other necessary maintenance issues. I bought this tractor about 6-7 years ago so don't know its history beyond that. I have used it fairly little thus far but am going to be working up about 5 acres and planting hay this spring. I am wondering if removing the final drive pans, cleaning, and replacing the gaskets would be warranted. I am not having any weird noises or anything but am wondering if these are susceptible to moisture or other issues? What have you all found when you opened them? Too bad they did not put a drain plug in so that a person could get a look at the fluid.
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B26240 View Drop Down
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Joined: 21 Nov 2009
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Post Options Post Options   Thanks (0) Thanks(0)   Quote B26240 Quote  Post ReplyReply Direct Link To This Post Posted: 20 Jan 2020 at 6:28pm
I did mine on a WD45 and am glad I did.   Didn't find any chunks but the 50+ year old lube had a real bad smell. You will feel better if you do.  I suggest removing the wheel to get better access to the pan bolts. 
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DougG View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DougG Quote  Post ReplyReply Direct Link To This Post Posted: 20 Jan 2020 at 6:36pm
It wouldn't hurt a thing to change the oil, its gonna have a smell because its the old gear oil stuff, really the only way water can get in is the sweat from inside with the outside temps heating and cooling , if you have them off id put a drain plug in for easy draining next time
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DSeries4 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DSeries4 Quote  Post ReplyReply Direct Link To This Post Posted: 20 Jan 2020 at 7:52pm
Gaskets and some 80/90 gear oil doesn't cost much.  Won't hurt to change it, especially when you do not know the history of the tractor.
'49 G, '54 WD45, '57 WD45, '58 D14, '59 D14, '61 D15D, '66 D15II, '66 D21II, '67 D17IV, '67 D17IVD, '67 190XTD, '73 620, '76 185, '77 175, '85 6080
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CaseyCreek View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote CaseyCreek Quote  Post ReplyReply Direct Link To This Post Posted: 21 Jan 2020 at 4:00pm
Been through this with my 185. I agree with the other posters and suggest you also change out all of the hydraulic fluid in both reservoirs.
D17 Series III,D17 Series IV, 185
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Bob-Maine View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Bob-Maine Quote  Post ReplyReply Direct Link To This Post Posted: 21 Jan 2020 at 5:09pm
I bought a '39 B (among others) a few years ago in winter. Couldn't winch it on to my trailer. Took off a final drive cover and found solid ice. Had to remove both and let the ice melt. I know its not a 180 but the lesson might still apply. Bob@allisdowneast
I used to think I was indecisive, but now I'm not sure.
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