[AT] Engine oil

[Spencer Yost]

Hey Tyler, I use Rotella 15w-40 in all my diesels too.    Never had a problem related to oil that I’ve been able to discern.   I think your friend emphasized it because it’s proven and widely used.   No idea if the chemistry is actually better but I try not to mess with success,

John:   The timing of your problems and your switch to a different oil does seem more than coincidental.   I’d definitely experiment with a different brand if I were you.  The compression test is probably a good idea too.

Spencer

Sent from my iPhone

> On Aug 15, 2020, at 1:13 PM, Tyler Juranek <tylerpolkaman at gmail.com> wrote:
> 
> Hi John
> This May I needed to change oil in my Oliver 770. Yes, it is diesel,
> so maybe my answer here is not rellivent to your question.
> Anyway, it was the first oil change since I have owned it. I wondered
> what I should put in it. The book said 20w20 but the local Bomgaars
> didn't have any, so I called our family friend who is a mechanic at
> night, and always seems to know a little bit about a lot of things. He
> suggested I use 15W40 in it, but he said "do not buy anything but
> Rotella brand oil." I forget why he said Rotella, but maybe try that
> brand and see if it makes any difference?
> They do have 10W30. The only two gas burners left are my John Deere A,
> and Dad's 550 Oliver. Everything else here is diesel.
> Let us all know how it goes.
> Take Care,
> Tyler Juranek
> 
>> On 8/15/20, John Hall <jtchall at nc.rr.com> wrote:
>> What this group needs (in my opinion) is a good farm equipment discussion.
>> Engine Oil--but wait, this isn't your ordinary oil discussion!!! Long
>> story short, I have a fleet of old gas powered working FARM
>> equipment--not talking about lawn equipment. We have always ran big name
>> brand oil. I switched from Exxon Super HDII about 3-4 years ago because
>> it was getting really hard to source. I switched over to Chevron Dello
>> 400 (both are 30W). The Dello is formulated for diesels, but supposedly
>> works in older gas engines. I now have 2 engines that drink oil when
>> being worked hard. My Farmall M can drop 2-3 qts in a couple hours of
>> pulling a cultimulcher--yet you don't really notice it smoking. It does
>> foul plugs. That work is a very heavy load. Also I have a 3300 Deere
>> combine that will drop a qt or so every truckload of corn. Now I've only
>> had this combine about 8 years and the oil consumption just started
>> about 3 years ago--I swear some days it is worse than others. I really
>> wonder if its the oil I'm using. I have on hand some CaseIH low-ash oil
>> I run in lawnmowers--considering putting it in the combine for this
>> fall. Supposedly the same stuff IH has been selling for 40+ years. The
>> cost is about $3-4 more a quart, so an extra $25 to change oil. For the
>> record, the rest of the gas powered fleet doesn't run hard/long enough
>> to notice a problem. The combine is such a gas hog, can't help but
>> wonder if its a fuel issue causing dilution.
>> 
>> What you guys think, worth a shot?
>> 
>> John Hall
>> 
>> 
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