TRIAX Fleet Supreme synthetic diesel engine oils are the top choice for maximizing engine performance. These are state-of-the-art engine oils are built with performance as a priority while maintaining complete OEM spec compliance. TRIAX Fleet Supreme oils are fully formulated products synthetics, designed for complete API CK-4 compliance and exceed OEM specifications for advanced turbocharged diesel engines, such as Volvo, Cummins, Detroit Diesel, Mercedes Benz and Ford fitted with exhaust after-treatment devices such as DPF and SCR.

The ideal choice for long haul trucks, pickups, including Powerstroke, Duramax, Cummins and many others.

• Excellent durability even in adverse conditions such as towing, hauling,
• High shear stability, stays in grade even under high loads and temperatures
• Exceeds all CK-4 related OEM specifications.
• 48% less wear vs the CK-4 specification requirements.
• Noticeably quieter engine operation • Faster, quieter turbo charger spooling
• Eliminates stiction in HEUI injectors
• Large specification coverage across many OEMs. 
• Extended drain intervals: 25,000 miles for pickups and over 100,000 miles for long haul semi trucks.

Available Viscosity Grades: 5W-40, 10W-30, 15W-40 and 5W-30