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Kubota L3000DT oil type

N

nuttsaboutFORDS

Member
I am doing an oil change job on a friends L3000, and I was wondering what type of oil I should use? The guy at the parts store said 15W40, which is what I got, but after looking around on the web a bit, their seems to be a number of oil types that are options. It doesn't even look like the Kubota has 15W40 listed as an option for the L3000, but I have seen it listed as an acceptable alternative in other places. I still have the reciept, so I am fine with returning what I have if I need to. Just wondering what the folks here have to say, and what they have used in their tractors. Any thoughts and suggestions appreciated. Thanks!

tractorgearbox.com/kubota_l3000dt_maintenance.html
 
Sorry, should have explained what kind of enviroment the tractor is operating in. It is used a about three times a year for brush hogging, and they also use it for blading the driveway and other misc. jobs. the tractor is located in Missouri.
 
Doesn't this guy have an owner's/operator's manual? If not, give a Kubota dealer a call. OK, after having said that, I'll share my
Kubota experience. I owned a Kubota M6800 open-station tractor for 20 years. Purchased it brand new. Owner's manual specified 10W30
engine oil. I wanted to use Shell Rotella but the farm store only had Rotella in 15W40. Called Kubota dealer and they said go ahead
use the 15W40. Sometime afterward I found Shell Rotella in 10W30 at Menard's so I switched to that. In heavy-duty brush hogging in
summer temps I noticed the engine was running about 2 needle widths cooler than with the 15W40. I had a stash of 15W40 left so I
did an experiment. I tried both on the same day. I had nothing better to do, so, what the heck. Sure enough, the tractor ran about
2 needle widths cooler with the 10W30. The oil recommended by Kubota. That's all I have to say. Good bye.
 
Any thoughts and suggestions appreciated. Thanks!


I think my power train is under a 5 year warranty.
My dealer does my work.

If I had any questions I would call jm, a retired kubota dealer.
 
This from Kubota USA website, no guarantees it is correct for your tractor.
DIESEL ENGINE - OIL VISCOSITY RECOMMENDATIONS
OUTSIDE TEMPERATURE Below 32 F (0 C) Above 32 F (0 C)
SAE/Viscosity 10W-30 10W-30 or 15W-40
GASOLINE ENGINE - OIL VISCOSITY RECOMMENDATIONS
OUTSIDE TEMPERATURE Below 32 F (0 C) Above 32 F (0 C)
SAE/Viscosity 5W-20 or 5W-30 10W-30 or 15W-40
 
If it's a newer tractor with low hours I would use the lower viscosity of the recommended oil. In our JD4600 I used 5-30 for the
first 500 hours, since then I use 15-40, but I always pre-heat it if it's below 32F, and I rarely use it when below 0F. But it will
start, anytime!
 
That's an interesting test, Bill, I have heard that before. A friend tried different oils in a Honda 4-wheeler, he found it ran cooler with lighter oil.
 
As as retired KUBOTA dealer I do not really like to get in to these things because there is always someone wanting to argue. That being said the recommended oil 10/30 will in fact run cooler, as it is going thru the engine faster and extracts some of that top heat to the oil pen. Before someone argues nothing wrong i with 15/40 and in older used stuff it really has it's place . Newer oils are far superior to what we had 20 years ago.
 
I have 4 of the orange machines
I have used Motorcraft 10W30 Diesel oil for many years
and have not had any issues
I get it at Local Ford Dealer
 
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