Prime Guard ROTLT41540GL Shell Rotella T4 Triple Protection 15W-40 Diesel Engine Oil 1 Gallon

Shell Rotella T4 Triple Protection 15W-40 is a heavy-duty diesel engine oil formulated with advanced additive technology and a proprietary synthetic blend formula. Available in a convenient 1-gallon jug, it delivers reliable protection for a wide range of diesel-powered equipment under the most demanding operating conditions. The manufacturer part number is 550045126.

Triple Protection Technology:

• Wear Protection — In API industry wear tests, this oil delivered an average 50% more wear protection than CK-4 standards require, helping maximize engine efficiency and prolong engine life
• Deposit Control — Enhanced deposit protection helps keep engines cleaner throughout the oil drain interval for optimum performance and long life
• Oil Breakdown Resistance — Significantly improved resistance to oxidation under high temperatures, resisting oil breakdown far longer than previous-generation formulas

Additional Performance Features:

• Exclusive low-ash formulation helps protect exhaust catalysts and diesel particulate filters on modern low-emission vehicles
• Enhanced shear stability for better viscosity control and optimal oil pressure
• Improved oil aeration for consistent lubrication performance
• Sustains emissions control system durability where diesel particulate filters and after-treatment systems are used

Specifications & Approvals:

• Viscosity Grade: SAE 15W-40
• API Rating: CK-4
• Oil Type: Mineral / Conventional Synthetic Blend
• Volume: 1 Gallon
• OEM Approvals include: Caterpillar ECF-2/ECF-3, Cummins CES 20086/20081, Detroit Fluids Specification DFS 93K222/93K218, Mack EOS-4.5/EO-O Premium Plus, Volvo VDS-4.5/VDS-4, Allison TES-439, and others

Suitable for a wide range of heavy-duty diesel applications including on-highway fleets, general haul, construction, agriculture, mining, logging, diesel pickup trucks, and high-power equipment requiring resistance to increased heat and stress.