Question about Craftsman 20 hp 42 in. Deck Lawn Tractor - CA Model

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I have a 20 hp craftsman lawn( hydro gear transaxle ) tractor in terrific shape that losses drive on a grade. I replaced the worn drive belt and it was good for the first few mows, Now Im right back to where it will not pull up a grade.

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  • jlcarty5 May 11, 2010

    Is the transaxle the one with a spin on oil filter on it?Also a model number for tractor would be helpful.There is a possibility that the oil is degraded and a flush may help,but i need to know which transaxle it has.

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It sounds like the oil in transaxle is degraded.The transaxle is supposed to be a sealed unit requiring no service but over time the oil will get dirty enough to cause problems like you are describing.Remove the back hitch plate and look at the transaxle it will have a rubber vent hose or a 1/4 alllen wrench fitting on top. You will need to purchase a battery suction bulb from sears automotive and use it to remove as much oil from transaxle as possible. Warm the transaxle up first by running it around,then suction the oil out.Refill with a good synthetic motor oil 15w-50 or 20w-50 like Amsoil or Mobil 1.Do not use transmission fluid or hydraulic fluid. When adding the new oil back fill it to within 1.5 in from the top,be sure to allow this amount of air space in top of transaxle for expansion.

Posted on Jul 31, 2009

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Posted on Jan 02, 2017

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Hello:

>>You can View a Breakdown/IPL of
this Engine at this Site Addy,
http://www.outdoordistributors.com/
and Select the H. Then Select Hydro-
Gear. Then Select Don't have Part
Numbers. Then Enter the Model
Numbers 319-0650. Then Select your
Model and Download the File for
Online Viewing.
From your Description it Sounds like the Internal Pump is Worn and is Loosing Pressure as the Unit Heats Up and the Components Expand from the Heat.
>>To View a Breakdown of this Unit Go to this Site Addy, http://www.searspartsdirect.com/partsdirect/index.action?sid=PSHx20080114x00001 and Enter the Model Numbers and Click Search. From this Page you can View Diagrams and Parts Lists for you Equipment Using the "View Sub Components" Section Near the Bottom Left.
Please, Do Not Hesitate, If you Hit a Snag or this Does Not Correct the Problem, I am Here if You Require More Assistance.
Hope this Helps. Let me Know What Happens, Please. May the All Mighty Bless You and Yours. Be Safe and Be Happy. Thanks.

Good Luck

Respectfully

jbridger (John)

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