Simplicity Hydraulic Fluid Equivalent

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Old 09-22-12, 05:58 PM
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Simplicity Hydraulic Fluid Equivalent

My old Simplicity Landlord Model #1690333 needs hydraulic fluid for the Bevel gear box in the back. It calls for simplicity #1685092 lubricant. I do not have a Simplicity dealer close by, but a lot of farm supply stores. Any other Brand and number that would substitute ok?
 
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Old 09-22-12, 11:04 PM
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The only thing I get on a search is that others have claimed it to be 80w-90 gear oil.
 
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Old 09-23-12, 05:03 PM
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Simplicity Landlord Gear Oil

Well, there is nothing hydraulic in that old gear box, and it does look like 80-90 coming out the drain hole. 80-90 it is!

thanks!
 
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Old 09-25-12, 08:38 AM
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Simplicity Landlord Gear Oil

The manual for this model indicates that there are 3 pipe plugs in the right side of the manual transmission case. The one that sits on top would be the easiest one to fill the gear case, but I cannot believe that they wanted to fill this all the way up there with 90 wt gear oil. It seemed to me that all the 90 wt. oil we put in those cases 40 years ago,was up to the middle pipe plug which is accessable from the rear of the mower. The manual says nothing about the amount of oil or how high up to fill it, except to the plug at the very top, where it says to fill it up till it just touches the bottom of the hole. I know there are some Simplicity experts out there who know what I am talking about!
 
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Old 09-25-12, 12:17 PM
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Hello WML13,

For what it's worth.....After looking at the parts break-down, I'd go along with filling from top to the hole at the middle rear. You defiantly don't want to fill it to the top, That could cause blown seals from oil expansion.


Good Luck
 
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Old 09-25-12, 01:00 PM
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Simplicity Landlord Gear Oil

Thanks for the reply and your concurance with my thoughts. I put a quart of oil in from the top last night, but it will drain out a LOT easier than it went in.

Have a great day!
 
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