Kubota engine oil

   / Kubota engine oil #51  
For me, its the Schaeffers Para blend in everything except wife's vehicle which is dealer serviced.
As an O/O transporting a lot of base oils for Excel Paralubes customers, just to name a few, Royal Purple, Lucas, Kendall, Conoco / Phillips 66, Valvoline, Castrol, also a lot of house brands are blended up at sites that we deliver to. Have had a chance to talk to a lot of people that are way more knowledgeable than I about oil & greases & come to the conclusion that there is not a lot of different in the major brands of oil. Long time ago I got sold on the advantages of synthetic, & para synthetic oils over the conventional dino lubes. With todays engines being forced to operate at higher temps (thanks big brother....) lower temperature tolerance & earlier breakdown of the dino oils clearly give the advantage to the synthetic / synthetic blend team, IMHO. Not to say that following manufacturers service intervals using conventional oils will lead to problems. While todays products are MUCH better than years ago, the conventional oils are limited to a lower tolerance of high temperature. Also, (I THINK) I was told that due to compatatability synthetic oils have better additives that lessen engine wear, (remember, not 100% sure on this).

One last thought, in 2004 I had a Caterpillar truck engine inframed at the local Cat dealer. I was there when the oil was being poured into my "new" motor & noticing that the jugs were wearing the Cat badge, I asked the shop supervisor what brand of oil was actually being used. He replied that it was most likely one of three brands, Shell Rotella, Mobile Delvac, or Chevron Delo. He further stated that the oil contract was a very competitive one, coming up for renewal every 60 or 90 days, un sure which. He also agreed that I could possibly have two different brands of oil in my engine.
Don't know how Kubota handles their oil side of the business, but if it is the same, makes you wonder about the importantance of using "only Kubota fluids".

Just my $.02
 
   / Kubota engine oil #52  
FYI... Since a lot of folks seem to be using Rotella...

Tractor Supply has $5 off Rotella Synthetic, T6 (and I believe semi-synthetic) so it is $50 for 2.5 gal jug this week (thru 5/13). Works out to be $20/gal.
 
   / Kubota engine oil #53  
There are many hills all across this country but I have not driven or seen a tractor trailer that you drove on the governor! Think about it!
And I've never driven one that you could pull a full load at any speed at 1/3 throttle.
At or near full throttle.
 
   / Kubota engine oil #54  
???
They are. Sorry but that is complete crap IMO.
Maybe if everywhere was completely flat or down hill.
With the hills around here you use all the power they can give and generally wishing for more.
Sorry my friend, this is not absolute crap. Off-road Diesel engine oil specs are developed using a duty rating substantially higher than the duty rating used to spec oil for heavy duty on road engines. To put this in lay terms, Shell Rotella is formulated for onroad use despite being used in a lot of off-road applications because of brand recognition and low price. However, Shell offers the Rimula series of oils which are more well suited for HD off-road applications.
 
   / Kubota engine oil #55  
And I've never driven one that you could pull a full load at any speed at 1/3 throttle.
At or near full throttle.
My Cat truck engine puts 655 HP to the ground. Torque is almost 2500 ft lbs. I never have to run it much over 1/3 of the throttle. And I run around north GA grossing at least 100,000 lbs every load. The last time I had it hooked up to the Cat computer my load factor was 34%.
 
   / Kubota engine oil #56  
My Cat truck engine puts 655 HP to the ground. Torque is almost 2500 ft lbs. I never have to run it much over 1/3 of the throttle. And I run around north GA grossing at least 100,000 lbs every load. The last time I had it hooked up to the Cat computer my load factor was 34%.
That's great if you have 655 HP and 2500 ft. lbs torqe.
Never had any where near that power in the units I've run
 
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   / Kubota engine oil #57  
..also if you go to Shells website and go to business and check for their recommended oils you will usually find T6 as recommended premium and T4 as meeting the manufactures specs (minimum)
Where does T5 fit into all of this, I believe it's a blend of syn+regular for diesel applications.
 
   / Kubota engine oil #58  
   / Kubota engine oil #60  

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