🚀 Elevate Your Engine's Game with Triax! Keep your diesel particulate filters clean and your engine running smoothly. Enjoy up to 48% lower wear with advanced Nano-Boron and Moly technology. Say goodbye to injector lockup and misfires with built-in protection. Experience quieter engine operation and lower temperatures. Go the distance with over 100,000 miles for semis and 30,000 for pickups. 15W-40 Viscosity 5 Gallon Capacity Cold Start -45°F Triax Fleet Supreme 15W-40 API CK-4 Full Synthetic Diesel Engine Oil is engineered for heavy-duty diesel trucks, offering superior wear protection, extended drain intervals, and exceptional cold start performance. Enhanced with friction modifiers, it ensures optimal engine operation while maintaining compatibility with a wide range of diesel engines.