








🚛 Drive Harder, Last Longer – The Ultimate Diesel Defense
TRIAX Fleet Ultra 15W-40 CK-4 is a premium synthetic blend diesel engine oil enhanced with molybdenum and boron for superior wear reduction and heat management. Licensed to the latest API CK-4 standards and compatible with a wide range of heavy-duty diesel engines, it offers extended drain intervals up to 65,000 miles, advanced friction and oxidation control, and cutting-edge ash dispersal technology to keep engines cleaner and running stronger.






| Viscosity | 15W-40 |
| Brand | Triax |
| Vehicle Service Type | Truck |
| UPC | 852771008460 |
| Automotive Fit Type | Universal Fit |
| Manufacturer | TRIAX LUBRICANTS LLC |
| Size | 5 Gallon |
| SAE J300 Viscosity Grade | 15W-40 |
| Item Weight | 39.5 pounds |
| Product Dimensions | 12.4 x 12.4 x 15 inches |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | TRXULT1540CK |
| OEM Part Number | ACEA E9-12, E9-16 / CUMMINS CES 20086 / MACK EOS 4.5, MAN 3575, MAN3277 (10W40) / SCANIA LDF-2, LDF-3 Low Ash, MB 228.31 / DDC 93K222 / CATERPILLAR ECF-3, MTU TYPE 2.1 / DEUTZ DQC III-10 LA / FORD WSS-M2C171-F1, VOLVO VDS-4.5, VDS-4, VDS-3 / RENAULT VI RLD-4, RLD-3 |
| Safety Rating | API Licensed, VOLVO Group Approval, Cummins Diesel, Detroit Diesel |
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