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Garden Tractors Discussion Forum

620 bogging down under a load.

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compostibles

04-24-2006 04:30:15




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Hey all. I have an issue with my allis 620 (onan 20 hp) that I got 2nd hand. I put a new governor linkage on and readjusted the idle speed and the top end speed to the factory specs (1280-3850 rpms). When I put down the 60" deck and go over some moderately tall dry grass, the rpms go from 3800 rpms down to 2000rpms, and so it doesn"t cut and eject as well. From what I understand, this tractor should just walk through a load like this. Any ideas?
Thanks.
Jason

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Jim P (MI)

04-26-2006 14:04:55




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 Re: 620 bogging down under a load. in reply to compostibles, 04-24-2006 04:30:15  
You did the usual? Air filter condition, sparkplug condition or color? You said you adjusted the idle, did you do the gov?

To start....

JP



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