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Murray Lawn Mower/Spicer Hydrostatic Transaxle


Pgable's Avatar
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02-20-08, 05:30 PM   #1  
Murray Lawn Mower/Spicer Hydrostatic Transaxle

I have a 1996 Murray 42" rider with a Spicer 4900 3, 93264 transaxle. When operating the mower, it will slow down while accelating. My drive belt and pullies are all tight. I have not been able to find much information on this model transaxle. Many sights do not list it at all (I assume it is too old). One expert site says Most Hydro Transaxles are Non Serviceable. My mower is otherwise in excellent condition. I would like to service, repair or replace it if possible and economically feasable. Any assistance will be greatly appreciated.

Phil

 
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02-20-08, 06:11 PM   #2  
chack out:smallenginesupply.com

 
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02-20-08, 08:59 PM   #3  
If it works good for a while and then begins losing power, I suggest cleaning it off well if it's covered with grass clippings. There are cooling fins on it, and if they get covered/clogged with debris, they will overheat and begin to cavitate.


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02-21-08, 03:09 AM   #4  
Cheese is right in that this, as with all hydrostatic transaxles, should be kept free of any debris at all times so that the cooling fan can be effective.
If you scroll down the list in the middle of the page at the following site, you can download the illustrated parts list for this 4900-3 model:
http://www.m-and-d.com/dana_foote_parts.html
It looks like the pump is a self contained ass'y separate from the final drive gearing.
It looks like it has an oil resvoir with a removeable cap, that may have markings indicating level.
The pump most probably will use an auto grade oil while the gearing will use gear oil or possibly grease.
Miy only experience with hydros was a Hydrogear that all I had to do was remove it, drain all fluid out the vent port and refill it with the proper amount of the proper oil.
I would call the customer support at the site above to see if they have any advice.
hope this helps,
thanks,

 
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05-11-11, 03:30 PM   #5  
hydrostatic transaxle

did you ever get it fix? adn how did you do it i have same thing

 
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