Triax Fleet Supreme 15W-40 API CK-4 Full Synthetic Heavy Duty Diesel Engine Oil | Moly Boron Friction Modified | Extended Drain (5 Gallon)

1 Gallon

€34,85

€34,85 €34,85

€34,85

€34,85 €34,85

TRIAX Fleet Supreme Heavy Duty Diesel Oils

**Based on industry-standard testing vs API CK-4 specification limits.

*Drain Interval Capability	Up to 100,000 miles in Class 8 highway trucks and 25,000 miles in diesel pickups, depending on duty cycle and oil analysis. For mechanically sound engines, with regular oil analysis and without the use of after-market additives.
Nano-Armor Friction Technology	Nano-Boron & Moly Armor forms a self-regenerating tribofilm on metal surfaces, reducing friction and heat for maximum durability.
Performance Standard	Fully API CK-4 licensed. Backward compatible with API CJ-4, CI-4 Plus, CI-4, and CH-4.
OEM Approval: Meets or Exceeds	Volvo VDS-4.5, Mack EOS-4.5, Cummins CES 20086, MB 228.31 / 229.51, Ford WSS-M2C171-F1, Caterpillar ECF-3, Renault RLD-4, DDC 93K222, MAN 3575, Deutz DQC III-10 LA, MTU Type 2.1, Scania LDF-2.
Emission System Protection ESP	Low-ash formulation safe for DPF, SCR, and DOC emission systems. Helps maintain compliance and prevent clogging.
**Wear Protection	Up to 64% less overall wear and 90% less main-bearing / piston wear vs API CK-4 spec limits. Based on industry-standard engine sequence testing vs API CK-4 specification limits.

Thermal & Oxidation Stability	Resists oil thickening and oxidation under high load and heat, keeping engines cleaner with fewer deposits on pistons, turbos, and valve train.
Fuel Efficiency	Friction-optimized chemistry improves MPG by 2–6 % in fleet testing.
Viscosity & Shear Stability	Maintains grade under heavy shear conditions, ensuring consistent oil pressure and film strength. Available in 10W-30, 15W-40, 5W-30, 5W-40 viscosities.
Injector Performance	Prevents stiction in HEUI and modern high-pressure injectors for smoother, cleaner operation.
Cold-Start Performance	Excellent low-temperature flow for rapid lubrication and reduced start-up wear in cold climates.
Compatible Applications	Designed for Class 8 highway trucks, construction equipment, agricultural machinery, and diesel pickup engines including Cummins Powerstroke, Duramax, Volvo, Mack, Caterpillar, Mercedes, and others. Suitable for mixed-fleet operations.

	Fleet Supreme 15W-40	Fleet Supreme 5W-40	Fleet Supreme 5W-30 Buying Options	Fleet Supreme 10W-30
Customer Reviews	403	314	6	103
Price	$39.99	$38.99	—	$38.99
Oil Type	Full Synthetic	Full Synthetic	Full Synthetic	Full Synthetic
Performance Grade	API CK-4	API CK-4	API CK-4	API CK-4
Wear Protection	Up to 64% less wear*	Up to 64% less wear*	Up to 64% less wear*	Up to 64% less wear*
Bearing & Piston Wear	Up to 90% less wear*	Up to 90% less wear*	Up to 90% less wear*	Up to 90% less wear*
Emission System Safety	Full ESP (DPF, SCR, DOC)	Full ESP (DPF, SCR, DOC)	Full ESP (DPF, SCR, DOC)	Full ESP (DPF, SCR, DOC)
Best Suited For	Heavy-load & highway	Severe-duty & cold climate	Light-duty & fuel-efficient	Mixed fleets & newer diesels

WHY TRIAX: Quieter engine operation, lower operating temperature, 4-6% MPG Improvement, faster and smoother turbo spooling, exceptional cold start properties down to -45 F. Outperforms leading brand motor oils by a wide margin.
FRICTION MODIFIED: Boosted with Nano-Boron and Moly friction modifiers for significantly improved wear protection over any other diesel engine oils. EXTREME WEAR Protection - Up to 48% lower wear than learning OEM and industry standards due to a much lower friction coefficient (50% lower or better) than the competition.
IDEAL FOR DIESEL PICK-UP TRUCKS: Full compatibility with any heavy duty diesel trucks from Ford Powerstroke, Chevy Silverado, Dodge RAM, GMC Sierra, and many others.
LONGEST DRAIN INTERVALS: Capable of drain intervals exceeding 100,000 miles for highway trucks (semis) and 30,000 miles Super Duty Pickups.
IMPROVED DURABILITY: Very high shear stability and film strength. Maintains its viscosity better than other diesel oils. Protects your engine in severe service conditions such as towing or hauling, without compromising drain intervals.

SAE J300 Viscosity Grade	15W-40
Brand	Triax
Liquid Volume	5 Gallons
Package Information	Pail
Vehicle Service Type	Heavy Duty Diesel Trucks & Equipment (API CK-4)

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