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 Post subject: 520H ID help
PostPosted: Mon May 11, 2015 8:34 pm 

Joined: Mon May 11, 2015 8:02 pm
Posts: 2
I have a 520H with 50" deck. It has an ONAN engine. The info on the tag under the seat has info that sites don't recognize.

On tag: I.D. NUMBER 4120OE01 11360
Made in U.S.A. 9311

What is considered the model number?
What year would it be?
What would the serial number be?

I discovered a loose exhaust valve seat and can get that fixed.
In trying to disassemble the engine, broke the pulley flange on the pto drive hub trying to remove it. Is there a recommended source of parts (preferably used)?

Is there a web site to look up parts numbers for the entire tractor/mower? or download a parts catalog?

Thanks for any help.

 Post subject: Re: 520H ID help
PostPosted: Tue May 12, 2015 7:58 am 

Joined: Fri Dec 17, 2004 8:01 am
Posts: 3959
Model number needs to be written with a dash 41-20OE01 - Notice the O for Onan and the last 2 digits are numbers.
Serial number is 11360
Julian build date is 9311 - 311th day of 1989. The 1990 models were released in October of 1989.

Operator manual
http://www.wheelhorseforum.com/files/fi ... wiringpdf/
The attachment list will give you the deck model numbers. Decks are sized by their width of cut. Could be 48`or 60`if you have a forward swept axle.

A poor parts list but the best we have
http://www.wheelhorseforum.com/files/fi ... h-tiplpdf/

http://www.wheelhorseforum.com/files/fi ... 2-4509pdf/


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