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What oil


 
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SVcummins
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PostPosted: Fri Mar 15, 2019 10:07 pm    Post subject: What oil Reply to specific post Reply with quote

Did John Deere use for the new generation tractors before 303 special purpose was developed?
 
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tomstractorsandtoys
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PostPosted: Sat Mar 16, 2019 4:38 am    Post subject: Re: What oil Reply to specific post Reply with quote

No the Deere worked with the oil companies to develop 303 for the new gen tractors. I read where the engineers were really struggling with oil problems at the test farm in TX. The big shots from home office were coming down for field demos and they knew they were not really ready. To pull it off without the giving away the problems they were having they had a whole bunch of buckets of oil put in ice chests. They would demo a tractor for a short time then switch to another model. In between times they would move the first tractor out of sight and drain the oil and add new cold oil.Home office thought all was going good and the engineers got a few more months to get an oil that would work. Tom
 
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Mike M
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PostPosted: Sat Mar 16, 2019 9:49 am    Post subject: Re: What oil Reply to specific post Reply with quote

I also wonder if the ability of the 2 cyl. diesels to mix oil around into the different areas also lead to wanting to use 1 oil for all with no need to try and keep them separated.
 
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SVcummins
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PostPosted: Mon Mar 18, 2019 10:45 pm    Post subject: Re: What oil Reply to specific post Reply with quote

That?s interesting Tom I would have thought a 30 weight motor oil would have worked
 
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thastinger
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PostPosted: Tue Mar 19, 2019 3:43 pm    Post subject: Re: What oil Reply to specific post Reply with quote

CVPost-SVcummins wrote:
(quoted from post at 23:45:07 03/18/19) That?s interesting Tom I would have thought a 30 weight motor oil would have worked


In the Summer or Winter? Has anyone ever sent a virgin sample of 303 to Blackstone oil labs for analysis? Would be interesting to know what this stuff really is.
 
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thastinger
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PostPosted: Tue Mar 19, 2019 4:04 pm    Post subject: Re: What oil Reply to specific post Reply with quote


https://pqia.org/2018/03/16/303-gone-but-not-forgotten/

I bought 303 from TS to do the change in my Dad's old tractor but after doing a bit more reading on it, it doesn't seem than a manufacturer if THF could be held to that standard anymore...yes, I know that TS doesn't have it's own refinery.
 
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