Shell Shell Rotella® T4 15W-40 Triple Protection Heavy Duty Diesel Engine Oil 1-Gallon 550045126 Part No: 550045126

Shell Rotella T4 15W‑40 Triple Protection (part 550045126) is a high-performance conventional/synthetic blend diesel engine oil tailored for the toughest environments. It incorporates Triple Protection Technology to fight wear, deposits, and thermal breakdown. Featuring low‑ash formula and advanced additives, it ensures engine cleanliness and emissions system compatibility—perfect for EGR and DPF-equipped units. Certified to API CK-4, CJ-4, CI-4+, CI-4, CH-4, and ACEA E9, it meets leading OEM standards, including Cat ECF-2/3, Cummins CES 20086, Mack EOS-4.5, Volvo VDS-4.5, Ford WSS‑M2C171‑F1, and more. Ideal for fleets, off-road construction, agriculture, and diesel pickups. Available now in convenient 1-gallon jugs.