These products are the backlog of dealers in our warehouse, and now it has reached the contract period, and the products have not been processed in time. Our warehouse has the right to sell these stocks at a low price to reduce our losses!

💪 Full Synthetic Strength for Tough Conditions
Rotella T6 delivers the protection of full synthetic oil, with enhanced durability and resistance to breakdown even under heavy loads, high temperatures, and long hours.

🔥 Advanced Wear Protection
Helps shield critical engine parts from wear and tear — keeping your engine healthy and extending component life.

⚙️ High Thermal & Oxidation Resistance
Stable viscosity helps reduce breakdown and keeps oil performance strong over a wide range of temperatures.

🌍 Versatile Application
Perfect for on-highway diesel trucks, construction equipment, agricultural machinery, and other heavy-duty diesels — both older and newer engines.

🚛 Emission-System Friendly
Formulated to be compatible with modern emission control systems, helping protect aftertreatment devices like DPFs.

Specifications

• Brand: Shell Rotella

• Product Name: T6 Full Synthetic 15W-40 Diesel Engine Oil

• Volume: 5 Gallons (18.9 L)

• Oil Type: Full Synthetic Heavy-Duty Diesel Engine Oil

• Viscosity: 15W-40

• API Service: CK-4 / CJ-4 (backwards compatible with CI-4, CH-4, etc.)

• OEM Approvals: Meets or exceeds key standards for Caterpillar, Cummins, Mack, Volvo, Detroit Diesel, Allison, and more

• Protection: Wear, deposit, oxidation, viscosity breakdown

• Operating Range: Excellent performance in both high-heat and cold starts

What's Included

✔ 1 x 5 Gallon (18.9 L) Pail of Shell Rotella T6 15W-40 Diesel Engine Oil
✔ Sealed, Easy-Handle Pail — durable and designed for easy pouring and storage.

Customer Reviews 

⭐ ⭐ ⭐ ⭐ ⭐
“This stuff simply works! My truck runs smoother, and the engine stays so much cleaner even after long hauls.”

⭐ ⭐ ⭐ ⭐ ⭐
“Great performance for the price. Helps protect during heavy duty workloads — no sludge, no fuss.”

⭐ ⭐ ⭐ ⭐ ⭐
“Trusted oil for all our fleet vehicles. Keeps components happy through long hours and tough jobs.”

Costco constantly refreshes its warehouses with new seasonal items, and we snap up the previous season's overstock the moment it gets pulled from shelves—your gain!