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I need help with AC D15 maintenance, etc. |
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AllisChalmersD15 ![]() Bronze Level ![]() Joined: 28 Sep 2009 Points: 33 |
![]() ![]() ![]() ![]() ![]() Posted: 28 Sep 2009 at 5:58pm |
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I recently acquired an Allis Chalmers D15 (not a Series II). I don't think this thing has had much maintenance, if any, for the last 10 or 15 years. I want to get all the fluids to the levels they should be at and any important areas greased. Can you guys tell me what I need to check, where to find the dipsticks, and what kind of fluid to add if it needs it? I've found four dipsticks, one on the engine and three behind it, I just don't know what they are measuring.
Someone also mentioned oil needing added on the final drive. Where is that? Any other maintenance suggestions are greatly appreciated. This is the first tractor I've ever owned, and I don't want to ruin it due to ignorance. Finally, where is my serial number located? Thanks in advance! -AllisChalmersD15
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ChuckLuedtkeSEWI ![]() Orange Level ![]() Joined: 11 Sep 2009 Location: Jackson, WI Points: 1826 |
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I have a D15 series 2, but they are pretty much the same thing. From front to back you have four dipsticks. The first one from front to back is the engine oil obviously. The second one on the right side is the hydraulic reservoir for the rear two point lift mechanism. The third one back right behind the instrument panel on the left hand side is the power director clutch. The fourth one back is the transmission/rear end. I believe someone told me once that in all three back compartments you can use the AGCO 821 equivalent oil, but I think I put something different in the power director clutch reservoir the first time. Someone else I'm sure will tell you exactly what to use. As far as the final drives go, on each rear axle on the very bottom is a pan that covers the bottom half of the final drive gear. You have to pull out all of the bolts and pop the pan off and get the old lube out and then bolt back in place. There is a fill plug on the inside side of mine to refill them once they're bolted on. If you're talented and hate taking the final drive cover off all the time, you can braze a drain plug in the bottom of the cover and then all you have to do is pull the drain to change instead of popping the whole cover off. I think the final drives take 80 weight gear lube. Hope that helps. I love my D15. By far the tractor I use the most but that's also because it has a loader on it, but I did disc with it this spring and used it to pull my potato digger this fall.
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AllisChalmersD15 ![]() Bronze Level ![]() Joined: 28 Sep 2009 Points: 33 |
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Thanks for the info! Really appreciate it.
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Rogers ![]() Orange Level Access ![]() ![]() Joined: 16 Sep 2009 Location: Georgia Points: 2176 |
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Starting at the front of the tractor.
1. There is a breather/plug behind the grill just in front of the radiator on the front support for the steering (power or manual). Use Universal hydrauilic/transmission fluid listed as AGCO 821 compatible.
2. An obvious one. On the right hand side of the tractor (when sitting in the seat) toward the rear of the engine there is a dipstick for the engine oil. I use 30 weight myself, but 10W-30 would be ok.
3. On the right hand side of the tractor about the center of the torque tube there is a dipstick with a breather on it. This is for the hydraulics. Use the same AGCO 821 compatible universal hydraulic/transmission fluid as with the steering.
4. On the leff hand side of the tractor at the back of the torque tube just below the instrument panel there is a dipstick with a hex head. This is for the clutch/power director. Use the same AGCO 821 compatible universal hydraulic/transmission fluid as with the steering.
5. On the left hand side of the tractor toward the front of the transmission there is a dipstick with a breather. This if for the transmission and requires 80W-90 gear lube.
6. On the lower inside of the final drives for the rear wheels there is a plug on the inside of the pan the covers the bull gears. This lubricates the bull gear and pinion shaft that drives the rear wheels and requires 80-90 gear lube.
That's it for fluids other than water in the radiator and gas in the tank lol.
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RichinWis ![]() Orange Level ![]() ![]() Joined: 11 Sep 2009 Location: Deforest Wis Points: 691 |
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AC D15, It's great to have an owners manual for the tractors you own, they cover these maintenance issues, I know alot of the vendors on here can sell you one for not that much of an investment, and then if it was myself I would buy the service manual too. They are worth thier weight in gold.
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David Gantt N.C. ![]() Orange Level ![]() ![]() Joined: 12 Sep 2009 Location: North Carolina Points: 379 |
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Yes one of the best or maybe the best tool you can have , they are worth their weight in gold
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Dieselherb ![]() Bronze Level ![]() Joined: 24 Feb 2020 Location: VA Points: 15 |
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I have a repair manual for my I60(engine same as D15 diesel) but it says nothing about fluids!
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Jim.ME ![]() Orange Level ![]() Joined: 19 Nov 2016 Location: Maine Points: 962 |
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jaybmiller ![]() Orange Level Access ![]() Joined: 12 Sep 2009 Location: Greensville,Ont Points: 24658 |
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I've been using SAE30 for the engine, UTF for the rest...both from WallyWorld for the past 15+ years in 3 D-14s. They all start and run fine.....
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3 D-14s,A-C forklift, B-112
Kubota BX23S lil' TOOT( The Other Orange Tractor) Never burn your bridges, unless you can walk on water |
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Oldwrench ![]() Bronze Level ![]() Joined: 12 Jan 2020 Location: Northeast Points: 151 |
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Not to hijack the thread, but I had a question while on the topic of changing out the final drive oil. The manual calls for changing the final drives gear oil once a year. They are not exactly the easiest things in the world to unbolt (why no drain plug?) I can see if a tractor is in heavy use plowing in the dirt, etc. but for just occasional clean use, such as light mowing, how frequently does everyone actually unbolt the cups and change the oil? Being honest, I haven't done mine in probably 10 years, but I only put on maybe 50 hours a year or less on light work. Also, for the finals, is 80W90 gear oil still the best fluid, or is an 821 rated UTF preferred?
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SteveM C/IL ![]() Orange Level Access ![]() Joined: 12 Sep 2009 Location: Shelbyville IL Points: 8613 |
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No drain plug cause no one ever changes them!
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jaybmiller ![]() Orange Level Access ![]() Joined: 12 Sep 2009 Location: Greensville,Ont Points: 24658 |
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I've only ever did the right side of D-14 #1, as I had to repalce the bearing 'down there'...that was 20 year ago.....NONE of the others ( 4 D-14s) have ever been changed.....
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3 D-14s,A-C forklift, B-112
Kubota BX23S lil' TOOT( The Other Orange Tractor) Never burn your bridges, unless you can walk on water |
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DSeries4 ![]() Orange Level ![]() ![]() Joined: 12 Sep 2009 Location: Ontario, Canada Points: 7497 |
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Operator's manual will tell you everything you need to know about
maintenance on your tractor. They can be found cheap on e-bay and are
full of valuable information. Repair manuals tell you how to fix stuff - it will not mention oil capacities or other items found in the operator's manual. |
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'49 G, '54 WD45, '55 CA, '56 WD45D, '57 WD45, '58 D14, '59 D14, '60 D14, '63 D15D, '66 D15II, '66 D21II, '67 D17IV, '67 D17IVD, '67 190XTD, '73 620, '76 185, '77 175, '84 8030, '85 6080
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ACinSC ![]() Orange Level ![]() Joined: 16 Dec 2015 Location: South Carolina Points: 2956 |
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I run TSC universal trans/hydraulic fluid in everything but the engine . Have a Series 1 gas D 15 . HTH
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Fantrum ![]() Silver Level Access ![]() Joined: 02 Feb 2021 Location: Missouri Points: 240 |
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As far as manuals go.. I've got a 190XT and have managed to find an "Operators Manual", "Parts Catalog", "Shop Manual" and "Service Manual". All four are different, so research what you're wanting before you buy one. They're definitely useful, although not 100% sometimes.
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