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JD 820 Piston

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Lyn Jones

04-14-2003 00:08:33




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I'm rebuilding the engine on my blackdash 820 diesel, and have found that one of the pistons is badly cracked. Would you guys be able to point me to a source of second hand pistons? I have put a request in the classified section.
Thanks.




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Tony M

04-14-2003 20:42:34




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 Re: JD 820 Piston in reply to Lyn Jones, 04-14-2003 00:08:33  
How is it cracked? Worn cylinder bores cause the skirts to crack off. It surely didn't just crack for the heck of it. Be sure to weigh the piston you have, and whatever you find to be sure they are very close. A couple of ounces will cause quite a vibration. .045" oversize pistons are still available from Deere, at about the same price as aftermarket (or in my case cheaper). Please feel free to contact me if I can help.

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Lloyd Strickland

04-14-2003 16:13:52




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 Re: JD 820 Piston in reply to Lyn Jones, 04-14-2003 00:08:33  
I bought an NOS piston for my black dask 820 from Greg Stephens in Colorado. He charged less than used prices but only had six left and this was two years ago. If you can`t find his number post back and I will look it up. He writes articles for GM.



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Lyn Jones

04-14-2003 17:10:28




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 Re: Re: JD 820 Piston in reply to Lloyd Strickland, 04-14-2003 16:13:52  
Would you get me his number or email address.
Thanks for your help.



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Brandon

04-14-2003 18:25:58




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 Re: Re: Re: JD 820 Piston in reply to Lyn Jones, 04-14-2003 17:10:28  
Try going to:

www.theoldtractorcompany.com

That is Greg's business website.

Good luck,
Brandon



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G Taylor

04-14-2003 08:08:52




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 Re: JD 820 Piston in reply to Lyn Jones, 04-14-2003 00:08:33  
If one piston is done for the other maybe on it's last legs? Make certain the injectors and pumps are completely and properly restored as this will cause one cylinder to wear/fail while the other is still servicable. Albert at Renaissance Tractor 1-360-748-0026 has the knowledge, test/rebuilding equipment and parts.



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