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Need to change the earl on my 955. Was leaning towards rotella 10w-30. What all do you guys and gals use and recommend.




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Need to change the earl on my 955. Was leaning towards rotella 10w-30. What all do you guys and gals use and recommend.




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I’ll bite....I use the JDplus 50 synthetic 0-40. I think it is the best of both worlds for an all season utility tractor
 

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Need to change the earl on my 955. Was leaning towards rotella 10w-30. What all do you guys and gals use and recommend.




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I use Mother Deere 10 30
 
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I like Mobil-1. Rotella is an excellent oil, but I don't like the color! Mobil-1 goes in amber and if it's black on the dipstick when I check my level, I've had it in there too long or I've got a problem! Rotella is ALWAYS black telling me nothing. Bob
 

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I use rotella 10w-30 diesel blend
 
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AMSOIL 5w 40.
Why, because I’m a dealer and have it on hand for the pickup anyway.
 

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I like Mobil-1. Rotella is an excellent oil, but I don't like the color! Mobil-1 goes in amber and if it's black on the dipstick when I check my level, I've had it in there too long or I've got a problem! Rotella is ALWAYS black telling me nothing. Bob
If the oil is black, that doesn’t mean it has been in too long or there is a problem. The oil is doing its job of keeping the engine clean.
 

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I like Mobil-1. Rotella is an excellent oil, but I don't like the color! Mobil-1 goes in amber and if it's black on the dipstick when I check my level, I've had it in there too long or I've got a problem! Rotella is ALWAYS black telling me nothing. Bob
I have to agree that color doesn't tell you anything either way, except that it is holding contamination, which it should if you are generating any. diesels do always, but if you change them enough you can get it to stay clean for a short while.

last year having my injectors done my oil was changed 3 times in 100 miles, it stayed clean for a couple thousand.


if you have any question about how an oil is working it needs laboratory analysis. visual inspect can just give bad information, it can't tell anything useful except maybe that there is water or fuel leaking into it.
 

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If you want to know more about oil than anyone needs to, go hang out over at Bobistheoilguy.com.
One of the VW TDI forums has a ton of info on diesel specific oils for the VWs.

Were it mine, and I wanted to save money, Id run Shell Rotella T 5W40 and call it a day. Nothing better for its price, assuming you arent paying the same as every other oil like lots of auto parts stores like to do.
Best of the best? Mobil Delvac 1 5w40.
Best of the rest? Mobil 1 TDT 5w40. Easier to find and not quite as expensive as the Delvac 1.

I dont run non synthetic in anything. Not much reason to unless you want to save a few dollars per gallon.

My engines just about all get 5w40 TDT. Thats push mowers, the 20hp Onan in my 318, the 23hp Kawasaki on the Exmark, and now the 2025R.
I did a massive amount of reading on oil analysis, wear patterns, etc with lots of different oils, and what a couple different forums conclusions were based on a lot more data than I ever want to see, and that conclusion was that for my money, TDT is it, hands down.
Every once in a while, Delvac 1 has a rebate. I buy about 4 gallons of that when it happens. My TDI has 10,000 mile intervals, so it lasts a while. Currently, that car has 333,xxx miles on it, and I plan to teach my 3 year old to drive it.
Before I actively looked for rebates to get the better oil, because why pay full price if you dont have to, I ran Rotella T 5w40 in quite a bit of stuff, including my motorcycles. It is truly a great oil, and very hard to beat. Why switch? Because its not recommended for the TDI, and since I was buying it at a discount anyway, the TDT was the same or less money.
 
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AMSOIL 5w 40.
Why, because I’m a dealer and have it on hand for the pickup anyway.
wouldn't look very good if you weren't using the oil that you represent :lol:
 
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wouldn't look very good if you weren't using the oil that you represent :lol:
Yes and no. Also makes me an honest dealer.
There are AMSOIL products that I absolutely won't push/promote, one being their diesel additive.
I have tried it, and I personally feel (at least in my vehicles/equipment) that the alternatives are better. I actually lost efficiency when using it.
My choice is Power Service or Howes in that field.
Some of their other products, however, still amaze me with how well they work.
 
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