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ryanschott 
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Joined: 10 Apr 2010
Location: michigan
Points: 612
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 Topic: 185 trans over flow problem
Posted: 09 Apr 2025 at 5:57pm |
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A neighbors 185 all of a sudden pumped all the frolic fluid into the trans and made it shoot out the fill spot in top of trans what would make it do that
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KJCHRIS
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Joined: 21 Dec 2015
Location: WC Iowa
Points: 947
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Posted: 10 Apr 2025 at 12:25am |
You'll find the Hydraulic oil barely touches it's dipstick. There's 3 seals on 2 shafts that can allow that to happen when a seal fails. The transmission input shafts seal, it's the upper shaft. There's 2 seals on the PTO shaft, the lower shaft. Seal lips face away from each other. Splitting tractor at seam just ahead of gear shift lever is necessary to access them. You'll need splitting stands to support each half, 1 must be moveable. Also will want a service manual to read before attempting this repair. |
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AC 200, CAH, AC185D bareback, AC 180D bareback, D17 III, WF. D17 Blackbar grill, NF. D15 SFW. Case 1175 CAH, Bobcat 543B,
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ryanschott
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Joined: 10 Apr 2010
Location: michigan
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Posted: 10 Apr 2025 at 5:53am |
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If seal goes bad why don’t they both leak into each other and be even why would all go one way and not the other. Because the one seal went bad and and lets it leak out but the seal facing the others way does not let it leak back the other way. There that much pressure.
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DrAllis
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Joined: 12 Sep 2009
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Posted: 10 Apr 2025 at 6:03am |
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The top oil seal is on the transmissions input shaft. It is in very close proximity to the Power Director clutch . This area needs to be rebuilt. Three new cast iron sealing rings, the housing they slip fit into and the oil seal to the input shaft that has failed completely. This is very common on older tractors and has been discussed here dozens of times. The oil transfer is much worse when operating the P.D. clutch on the high side, which most of us do. Separate the rear end by blocking/jacking under the torque housing where the drawbar pull bracket is. Block the front axle so it cannot tip sideways. Slip a four foot long 1 3/8" pipe on the PTO shaft (will fit snug) and use it as a handle. Three people to roll the rear end away from the torque housing. One man on each tire and one man using the pipe to balance the rear end. Roll apart 5 or 6 feet and block under the drawbar support and under the front of the rear end housing. Begin repairs.
Edited by DrAllis - 10 Apr 2025 at 6:05am
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Gary Burnett
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Joined: 11 Sep 2009
Location: Virginia
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Posted: 10 Apr 2025 at 6:29am |
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Or if you want to do the 'farmer' repair run a line from the transmission plug to the rear end plug so the oil equalizes all the time.The rear plug will need to be drilled and threaded for a 1/4 inch pipe plug the front plug is NPT.Have done a 180 and a D15 like that,ran the 180 for years no problem.Used a 3/8 in hydraulic hose to make the connection.
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DrAllis
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Posted: 10 Apr 2025 at 6:37am |
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There could be a situation where that may not work too well. If the pressurized leak is bad enough, the gravity flow hose back to the torque housing might not keep up. Just saying......
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Gary Burnett
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Location: Virginia
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Posted: 10 Apr 2025 at 12:13pm |
 DrAllis wrote:
There could be a situation where that may not work too well. If the pressurized leak is bad enough, the gravity flow hose back to the torque housing might not keep up. Just saying...... |
Can always keep an eye on both dip sticks for awhile
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