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Allis Chalmers Discussion Forum

Allis Chalmers 620 clutch

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Jim Lloyd

06-11-2005 16:33:11

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I am looking for a rear PTO clutch that will work on an Allis Chalmers 620 or does anyone know if they can be fixed?

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06-11-2005 17:04:57

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 Re: Allis Chalmers 620 clutch in reply to Jim Lloyd, 06-11-2005 16:33:11  
What are your symptoms?

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Jim Lloyd

06-13-2005 08:26:23

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 Re: Allis Chalmers 620 clutch in reply to mowr, 06-11-2005 17:04:57  
The rear PTO does nothing when the switch is engaged. I removed the rear clutch magnet from the tractor and hooked it directly to a 12 volt supply and nothing happens. Does the tractor have to be running for the clutch to engage?

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06-14-2005 06:32:09

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 Re: Allis Chalmers 620 clutch in reply to Jim Lloyd, 06-13-2005 08:26:23  
With the clutch complete, in the tractor, if a test light or test meter shows you have current to the clutch and it does nothing, I assume the clutch coil is burned out. As you probably know, Simplicity built this tractor and very probably can repair or replace it. However, these clutch assy"s are used in many things and should be available from many other sources also. Sometimes the Surplus Center (www.surpluscenter.com) has these in stock (by measurement and specifications). Good luck.

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