




🛠️ Power your diesel engine with ULTRA 1PLUS – where durability meets performance!
ULTRA 1PLUS SAE 15W-40 is a full synthetic heavy-duty diesel engine oil designed to reduce engine wear and extend engine life. Packaged in a large 265-gallon tote, it meets API CK-4/SN standards and offers universal fit for truck engines, making it an essential choice for professional fleet maintenance.





| Viscosity | 15W 40 SAE Grade |
| Brand | ULTRA 1PLUS |
| Vehicle Service Type | Truck |
| UPC | 810111110921 |
| Automotive Fit Type | Universal Fit |
| Manufacturer | Ultra1plus |
| Size | 265 Gallon Tote |
| SAE J300 Viscosity Grade | 15W-40 |
| Model | UFS1540CK4T |
| Item model number | UFS1540CK4 |
| Manufacturer Part Number | UFS1540CK4T |
J**N
Oil works great
This oil works great, used it in China mopeds that called for that oil weight.
C**R
Good oil @ good price.
Good oil.
W**T
Great price, beats all retailers
Great price on great synthetic.
J**S
Runs cool, well kinda, in Kubota BX2230
After 20 years I decided to convert my Kubota BX2230 to synthetic oil since everything I've read indicates synthetic is superior in every way. I wish I could say that the tractor now purrs like a kitten at idol but that would not be honest. it still rattles and shakes like a 1960's rock and roll gogo girl. But, that's okay. As long as it keeps running I will be happy.
B**K
Great oil. Great price
I like that it’s a great oil and made in America
D**O
Excellent oil I will buy again
Excellent oil I will buy again mileage increase by 2 1/2 Mpg
S**U
Fill
Was not filled as (5) gallonsMissing 1/4 gallon
A**Z
6.0 powerstroke
Great price, truck runs great, what more can I say?
Trustpilot
1 day ago
1 week ago