Presenting the Rotella T 15W-40 Heavy Duty Diesel Motor Oil, a rugged lubricant designed for modern diesel engines. This premium formulation delivers exceptional wear protection, keeps vital components clean, and preserves stable performance under tough operating conditions. Whether you drive a heavy-duty truck, farm equipment, or construction machinery, this oil is built to meet the stringent demands of your engine.

Experience enhanced protection and dependable operation: The advanced chemistry resists buildup, guards against bearing wear, and resists thermal breakdown to help extend engine life and minimize downtime.

• Viscosity Grade 15W-40: Provides dependable lubrication for hot summer days and cold starts, improving cold-weather starting and overall efficiency for diesel engines.
• API Service Classification CJ-4: Ensures compatibility with modern heavy-duty diesel engines and protective performance under high-load operation.
• Triple Protection Technology: Delivers enhanced wear protection, superior piston cleanliness, and steady thermal stability for tough-duty workloads.
• Meets or Exceeds API CK-4 and CJ-4: Meets industry standards and OEM requirements for broad engine compatibility and long-life performance.
• Ideal for DPF-equipped engines + 1 gallon capacity: Suitable for heavy-duty trucks, farming, and construction gear; packaged in a convenient 1-gallon container for easy maintenance.

Rotella T Advantage for Heavy-Duty Durability: Rotella T 15W-40 stands out for its durable protection against wear, deposits, and temperature fluctuations in high-load diesel applications. It helps keep engines clean, supports longer service intervals, and boosts fleet uptime. Trusted by professionals in trucking, agriculture, and construction, this oil is a reliable partner for demanding workloads. Choose Rotella T to sustain engine performance when it matters most.