2020 John Deere Tractor with gas engine runs great at high rpm until you put it under load. New rotor, cap, points, condensor, plugs, checked timing (OK), installed carb kit (nothing for anti dieseling valve). The only thing left is plug wires. Could this be the problem? It has carbon filled wires.

SOURCE: john deere 2020 water pump repair?

Hello:

From your Description it Sounds like a Bad Water Pump Bearing and Seal.
>>You can View a Breakdown/IPL of the Engine and Mower at this Site Addy, http://jdpc.deere.com/jdpc/servlet/com.deere.u90490.partscatalog.view.servlets.HomePageServlet_Alt and Enter the Model Numbers and Click Find. Then Select your Model from the Search Results Area. Then Select the Sectional File. Then Select the Section of the Mower you Wish to View Online. *You can Drag the View Windows for Better Viewing.*
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

John

jimmy nutron

• 132 Answers
• Posted on Jun 04, 2009

SOURCE: I have a 1968?? 2020 john deere. The hydraulic

make shure none of your hydrolic cylenders are extended and fill it up till you can stick you finger in there and it barley touches if you do this when cylenders are extended you will over fill it.

SOURCE: Three point hitch on 2020 Jogn Deere Tractor will not raise.

IF the rest of the hydraulic system has normal pressure, then the control valve for the 3 point may be faulty, or ; the hydraulic cylinder that raises/lowers the 3 point arms has failed (the sealing ring on the internal ring has torn)

SOURCE: 2020 john deere diesel tractor with j-d 36# loader

Sounds like you need more hydraulic oil - Or like you said the transmission screen (dirty).
Where it is ??

SOURCE: 3020 carburetor ? john deere gas tractor, 3020

those carbs are real simple you will not have any problem