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๐ ๏ธ Power your fleet with the synthetic edge that never quits!
Ultra 1PLUS SAE 15W-40 Full Synthetic Heavy-Duty Diesel Engine Oil is a 55-gallon bulk solution engineered to exceed API CK-4, CJ-4, CI-4 PLUS, CH-4, and SN standards. Designed for modern diesel and gasoline heavy-duty engines, it delivers superior wear protection, shear stability, and emission system compatibilityโideal for trucks, buses, and industrial equipment demanding reliable, long-lasting engine performance.





| ASIN | B0DG3LYL7S |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #161,778 in Automotive ( See Top 100 in Automotive ) #885 in Motor Oils |
| Brand | ULTRA 1PLUS |
| Brand Name | ULTRA 1PLUS |
| Compatible with Vehicle Type | Buses, Off-road / Industrial equipment, Truck, Vans |
| Container Type | Drum |
| Customer Reviews | 4.6 out of 5 stars 66 Reviews |
| Included Components | oil |
| Liquid Volume | 55 Gallons |
| Manufacturer | Ultra1plus |
| Manufacturer Part Number | UFS1540CK4D |
| Manufacturer Warranty Description | 22 |
| Model Number | UFS1540CK4 |
| Package Information | Drum |
| SAE J300 Viscosity Grade | 15W-40 |
| Size | 55 Gallon Drum |
| UPC | 850041600635 |
| Unit Count | 256.0 Fluid Ounces |
| Vehicle Service Type | Buses, Off-road / Industrial equipment, Truck, Vans |
| Viscosity Level | Medium to High |
M**S
I like the packaging
Excellent product
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.
W**T
Great price, beats all retailers
Great price on great synthetic.
B**K
Great oil. Great price
I like that itโs a great oil and made in America
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.
S**U
Fill
Was not filled as (5) gallons Missing 1/4 gallon
D**O
Excellent oil I will buy again
Excellent oil I will buy again mileage increase by 2 1/2 Mpg
Trustpilot
2 weeks ago
2 weeks ago