170 AC Gas

slifnom · Apr 25, 2017

I am new to my AC and the fluid is low> There are two compartments between my legs when I am on the seat. To the left there is a dipstick that screws in and to the right there is a larger cap. I have what is called hydraulic and transmission oil from Fleet
Farm. Is this alright to use for both. I do have a service manual. Thank you

Bob Bancroft · Apr 25, 2017

I don't know anything about Fleet Farm. Any hyd/trans fluid labeled to "meet or exceed" the oils of the various manufacturers is fine. Yes, both take the same oil. The screw in cap is the "power director" clutch and hyd. system and is filtered oil. The cap to right rear is the trans/diff. I don't know why AC didn't just delete the seals between the compartments and let the oil run together. Then it all would have been filtered.

JMS/.MN · Apr 25, 2017

Service manuals don"t tell you that type of info. Operator manuals do.

M Nut · Apr 25, 2017

Fleet Farm oil is all that has been run in my 170, both hydraulic and differential, since coming to the farm 30 years ago. Never an issue with fleet farm oil.

Traditional Farmer · Apr 25, 2017

Hydraulic oil in the front and gear oil in the rear end is what originally was called for.

Traditional Farmer · Apr 26, 2017

Just leaving the seal out will result in the rear end ending up with all the oil.In my 180 when the seal went bad had to put a connection hose between the drain plugs on the
two compartments to equalize the oil level.

DrAllis · Apr 26, 2017

A tractor equipped with the hydraulic Power Director clutch (180-185-190-200) will absolutely pump oil into the transmission/rear end if the input shaft seal fails or is left out. Not so on a One-Seventy. A-C wanted to keep oil levels separate for working in up/down hills. An early One-Seventy may have had 80-90 wt in the transmission, but were all later on switched to Universal Hyd/trans fluid. When they had 80-90 in the rear, they were using Dexron for hydraulic fluid. It was a great thing when they decided on one type of oil for both compartments.

Bob Bancroft · Apr 26, 2017

And did/do you continue to run it that way successfully?

JMS/.MN · Apr 26, 2017

(Mills) Fleet Farm is a regional chain in MN and WI?, similar to TSC that is in so many parts of the Country. Some of their products are branded. Runnings is also popular in MN, especially central and south.

DrAllis · Apr 26, 2017

It was probably 1969 or so when A-C finally went away from 80-90 and Dexron to the Universal Trans/Hydraulic fluid on all the hundred series tractors. They made no changes to the tractors to accommodate this newer oil. Deere had already been using it since 1961(3010-4010) and the D-21 had been using it since 1963.

Traditional Farmer · Apr 26, 2017

I'm running it but I only use it for light loader work,mostly for moving big round bales.

Bob Bancroft · Apr 27, 2017

So, if the trans. input shaft seal, and the PTO shaft seals were removed, and there was some connection between the housings, given relatively level operation, the tractor could be operated successfully?

Traditional Farmer · Apr 27, 2017

I ran a line from the drain plug in the PD to the drain plug in the rear end so now the oil level stays right in both sections.Did have to have the rear plug drilled and tapped for
1/4" pipe threads as it has odd threads, the PD drain is a pipe thread.Working fine so far,probably not the best thing to do especially if I was pulling the tractor hard the heavier oil would probably be better in the rear.But this is a pretty well used machine anyway and I just use it lightly mostly loading and unloading round bales.

DrAllis · Apr 27, 2017

1/4" pipe thread size hole is pretty small compared to complete elimination of seals, wouldn't you say?? Yes, the tractor would function with all shaft seals removed. The only rub would be when the tractors nose was on a steep uphill climb AND you demanded say three or four gallons of hydraulic oil to lift something, the hydraulics might run out of oil because too many gallons have made there way into the trans/diff area. If driven like this long enough, I suppose there could be boiling of oil out the trans fill cap too.

Bob Bancroft · Apr 27, 2017

That's what I thought. I was assuming something closer to the size of the drain holes, like 3/4, or 1".

Traditional Farmer · Apr 27, 2017

Problem is the pipe hole has to be drilled into the plug which is about 1" any bigger fitting and it'll take the chance of ruining the plug as the threads on the plug are pretty deep.

301 · Apr 29, 2017

6 hours of time and 50 bucks worth of seals would fix this problem , don't think id run it without seals something will eventually run dry

charleneroy · Jul 20, 2019

Where is the drain plug located for the hydraulic oil

DrAllis · Jul 20, 2019

TWO drain plugs for the hydraulic system oil. One directly down from the foot clutch pedal and the other directly down from the hydraulic pump on the right side of the torque tube. Takes 1 1/8" wrench for both and they have a gasket on each plug. Takes at least 5 gallons of oil and maybe 6 gal.

170 AC Gas

slifnom

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Bob Bancroft

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JMS/.MN

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M Nut

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Traditional Farmer

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Traditional Farmer

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301

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