I don't know about that

Posted by jdemaris on December 19, 2005 at 05:41:56 from (66.218.28.252):

In Reply to: Re: Hy-gard oil equivalent- other brands? posted by Mike M on December 18, 2005 at 18:40:43:

I don't know about that. I worked for Deere dealers back to the 1960s. I can think of at least two occasions that we had oil related problems with Deere oil - one with Torque-Guard engine oil and one with Deere 303 transmission oil that predated the Hy-Guard. Both times it was discovered that the company that Deere had hired to make oil to their specs. failed to fully comply. We also had a major problem with Quaker-State HDX diesel engine oil. In fact, at the time, there were farm tractors as well as big rigs over-the-road loosing their engines all over the country because of it. It resulted in a major law-suit and Quaker-State lost a pile of money and customers. Since then - I wouldn't use any of their products in anything. I was driving a 1964 SS Chevelle at the time, in which I was also using the HDX oil (because I got it cheap). I almost lost the engine in it when the oil-pressure dropped from 60 PSI to 5 PSI - but I caught it in time. When it happened - I was stumped trying to figure out what was going on. But . . . a few weeks later - we lost several tractor and log-skidder engines, and then the news of the law-suit came out.
When Deere had their problems - it was not their fault as I see it. But with Quaker-State? It was their d*mn oil, and when the problems started to occur, they lied about it.
So now? Deere still hires outside companies to make oil to their specs. You go to Walmart - and you are still buying oil made to meet those specs. including Deere, Cat., etc. In my mind, I don't see what difference it makes as long as the oil does indeed claim to meet the specifications needed - unless you think they are lying about it and willing to take their chances putting it in print.
By the way, Deere used to hire Shell Oil Co. to make most of their lubricants. Today - as I understand it - Shell owns Pennzoil and Quaker-State - so - who the heck knows. Walmart gets their oil made by Warren Oil Co. - and Warren buys their additives the same places as the other big "blenders."

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