Oils

[gordon]

Not to many catagories--we might get confused--why do you think hydrostatic drive is so popular don't have to switch gears--less thinking u know--by the way I'm just joking--Yes a few more choices or threads would be great Thanks for asking Gordon

 

[Anonymous Poster]

Pete,
The Mobil synthetic oil designed for diesel engines is the Mobil Delvac 1. If you visit the Mobil Web site or look at the back of the Mobil 1 tri-synthetic bottle it does not say for use with diesel engines. The design difference of the two oils is the far superior soot control that has been designed into Mobil delvac 1. If you do not want to pay the premium price for the Mobil synthetic the petroleum based Mobil Delvac 1300 is a wise choice. This oil is designed for diesel engines offering the soot control required with diesel engines, especially required with the new low emission engines of today. My research has led me to conclude that you want an oil designed for diesels.

 

[Anonymous Poster]

Re: Oils: diff btw Delvac & Mobile 1?

The Delvac 1 is 5w40 opposed to 10w30 and so forth for the Mobil 1. The additive package in Delvac 1 is designed with diesels in mind and so meets ch-4 ratings as opposed to cf for Mobil 1. New diesels have much retarded injection timing as opposed to older diesels and the soot level absorbed by the oil is much higher, the oil has to keep it suspended etc. I use Mobil 1 in my 4310 GST with 115 hours on it and probably will continue to use Mobil !. Would use Delvac 1 but prices here in N Ga are much higher for the Delvac 1. I also hear a lot about extended oil drain intervals but am a little leery when offroad equipment is involved due to the super dirty environment. No oil can compensate for dirt that has gotten past the air filtration system. Just use common sense i guess
Good Luck

 

[gandalf]

Re: Oils: diff btw Delvac & Mobile 1?

I think one should stick with the oil brand and type that came with the tractor when new, at least until breakin is completed and then a blended petroleum-synthetic or full synthetic would probably be best. In my new Dodge Cummins turbo diesel pickup, I used the Cummins recommended Valvoline premium blue petroleum oil until I had about 15,000 miles and then I switched to their premium blue 2000 sysnthetic blend. Valvoline diesel oils are supposedly very good and exceed all mfg's specifications. Sam /w3tcompact/icons/smile.gif

"I love the smell of diesel in the morning."

 

[_RaT_]

Mark, its funny (not in the hehe way) that you say Shells Rotella T 15W40 is rated one of the best. Almost without exception, Chevron Delo 15w40 is not only the best among tests for conventional oils, it is hands down the #1 choice for trucks (semi trucks in CA.). I quizzed a repair facility about this and the answer was that it keeps the engines cleaner then any of the other oils. I then asked if that was all and it was apparent that in turbocharged diesels (which is just about any diesel truck today), there is no foaming. That may not have been the most objective study I've done, since to tell you the truth, I don't think that the oil they use is the first and foremost in terms of importance on their minds, it is however interesting that so many trucking firms out here in CA. use Delo 15W40. I will however agree with an earlier post that said synthetics may be even more important in a tractor. The next tractor I get will get Amsoil, I'm convinced enough that due to the time span oil stays in a tractor, the synthetics with all their attributes, must be better, I'll gladly pay the extra cost, at least for my tractor. Rat...

 

[MChalkley]

Rat - Just for the record (and I think you understood what I said correctly - I just want to make sure everyone else did), I said it's considered by many to be one of the best, I did not mean by me. In fact, as I said later in my post, the tests of it that I've seen rate it as one of the worst if you're going to leave it in there even as long as a manufacturer's recommended oil change, because of it's extremely high volatility. I wouldn't use it in anything, personally, but many truckers do. And I know that many mechanics recommend it - but I'm not sure who's side they're on.

Mark

 

[W5FL]

Re: Oils: diff btw Delvac & Mobile 1?

I am not sure ANYONE knows what comes from the factory in your Kubota.

I just finished the 50 hour on my tractor. See post in Oil and Lubrication or whatever it is. The fluid in the front differential is reddish in color. The fluid in the transmission and both front wheel gearcases is brownish in color. The US oil for Kubota is manufactured by Valvoline, but no one has any idea what oil is put in the crankcase in Japan. Maybe together we will find more of the answers.

 

[_RaT_]

Mark, yeah I understand what your saying, sometimes I just find it interesting to observe what folks on the East are doing, using, thinking, compared to us folks on the West. There is a difference and it is one of the things I have found most interesting since using this site. Rat...