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Garden Tractors Discussion Forum

Sears Hydro-trac 12

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09-22-2003 07:46:27

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Hi all..
I just purchased what I believe is a 1969 Sears Hydro-trac 12 at a yardsale this past weekend. So far the ID has been by pictures I have seen online. I have a couple of questions, if anyone could help I would greatly appreciate it!

First, does anyone know where I can find the Model number on the tractor? The only number I saw is on the engine, and it started with 143 - not 917 like I see online for all the Hydro-tracs..

It has no battery currently. Is the electrical system 12 volt or 6 volt. And pos or neg ground?

Also, near the seat, there is a push/pull lever that goes into the hydrostatic tranny. My guess is that it is either a hydro-release (neutral), or a differential lock. Any idea?

And finally, I can't seem to find where to check the fluid level in the tranny (although, I haven't looked very hard yet).

I know that's quite a list, but any help would be greatly appreciated!


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Tony Rezac

02-16-2005 15:05:11

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 Re: Sears Hydro-trac 12 in reply to Joel, 09-22-2003 07:46:27  
The tractor uses a standard 12 v dc system with a negative ground. The push pull lever on the side is the e brake and the one under the seat is the hydro nuetral. I have not been able to locate any where on how to check the fluids in the hydro.

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clifford c benjamin

09-23-2003 21:10:56

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 Re: Sears Hydro-trac 12 in reply to Joel, 09-22-2003 07:46:27  
joel 143-is a tecumseh engine its a 12 volt tractor neg ground.the pin in the rear is the release lever for the hydro. in postion is in gear no push. pin out and locked you can push it around.don't loose the hair pin put in the out most position of the pin when it is in the pin so you wont loose oil check for this is sealed.there is a filter in the transmission but you will never change it.the serial number.under the seat there should be a tag with the model serial no.if its the same seat that came with the tractor. also some times they put the tag below the seat on the panel that goes over the rear tires.some time they put the tag a bove the the hitch also.when you see 917- that tells you that its.its a ayp-american yard products tractor.

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