Engine oil for b2650

Shepbear

New member

Equipment
B2650, SSQA 60 inch bucket, QA with BB1260 box blade
Jun 1, 2016
21
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1
San Tan Valley, Az
I'm trying to figure out what engine oil to use. Of course, I could just go with Kubota oil, but something like Rotella T4 10W40 is a bit easier to get. Must it say "diesel" oil, or is It OK to use it without the "diesel" on the container.
 

85Hokie

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BX-25D ,PTB. Under Armor, '90&'92-B7100HST's, '06 BX1850 FEL
Jul 13, 2013
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Bedford - VA
I'm trying to figure out what engine oil to use. Of course, I could just go with Kubota oil, but something like Rotella T4 10W40 is a bit easier to get. Must it say "diesel" oil, or is It OK to use it without the "diesel" on the container.
I would use either T5 semi synthetic or T6 Rotella all synthetic - that's 15-40, in your area, wally world should carry it too.

AND yes - make sure it says for diesels on the container - you want all the goodies in diesel oil that help lubricate and clean.:D:)
 

sheepfarmer

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L3560, B2650, Gator, Ingersoll mower
Nov 14, 2014
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MidMichigan
That turns out to be a more complicated question for a new tractor than one would expect. Just before my B2650 was delivered I was at the dealer and asked for two quarts of whatever oil was in it, and two quarts of SUDT -2. When I got home I discovered that the 2 qts were CJ-4, which is for engines with a dpf filter, eg the 2650's bigger brother the b3350. The engines themselves are basically the same design on the two tractors, and so I could see Kubota for the sake of convenience might put the same oil in all of them. The CJ-4 bottle says that it is backwards compatible with the oils listed in the manual classes CF, CF-4, CG-4, CH-4, or CI-4. For me CJ-4 would be convenient because my other tractor requires it.

Kubota recommends against mixing oil types, so if you are ADDING oil to your new tractor, check with your dealer to see if they know what is in yours and get a quart of the same, and then after that if you change it at 50 hrs you can use any oil of the same class and the appropriate weight for your climate.
 

ItBmine

Well-known member

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B2620, RTV-X1100C
Jan 21, 2014
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Canada
CJ4 is backwards compatible. I laugh when my Kubota manual says not to use it in a non DPF engine, yet when you buy Kubota branded oil it is CJ4, LOL.

No worries with that, and myself, I ran Kubota oil my first two changes, then switched to Rotella T6 5W40 synthetic.
I do lots of oil analysis every change on my big trucks through Toromont Cat's SOS lab and I've always been happy with the results of Rotella and Chevron Delo. I tested a few different brands.

But beware. Read this post I made.....new classes coming. And one you can't use in older engines.
http://www.orangetractortalks.com/forums/showthread.php?t=27756