For drivers that want added engine protection, but still want to operate with a 15W-40 diesel engine oil, Shell Rotella® T5 15W-40 Synthetic Blend offers the benefits you need. The oil features Triple Protection Plus™ technology which delivers all the benefits you've come to expect from Shell Rotella® T4 diesel oil and more.

Triple Protection Plus™ is the unique combination of Triple Protection® advanced additive technology and found in Shell Rotella diesel oils, plus synthetic base oils including Shell PurePlus™ technology. Shell PurePlus is a 99.5% pure base oil made from natural gas through a Shell patented process. Triple Protection Plus™ offers strong protection against wear, deposits, and oil breakdown plus better low temperature flow. This delivers excellent equipment protection, long engine life and maintains viscosity control under high temperatures.

Shell Rotella T5 15W-40 Synthetic Blend provides:

  • Excellent wear protection
  • Exceptional deposit control/cleanliness
  • Excellent protection against oil breakdown
  • Sustained emission control system durability in particulate filters and after-treatment systems

Versatile for Many Applications

Shell Rotella T5 15W-40 Synthetic Blend is suitable for a wide range of heavy duty engine applications. By meeting numerous specifications, and approvals from many leading engine makers, it is an excellent choice for on-highway fleets, construction, agriculture, and diesel pick-up trucks, including high-power vehicles where resistance to increased heat and stress is required. It provides all the protection you expect from an SAE 15W-40 but in a synthetic blend heavy duty engine oil.

Making the Switch to Shell Rotella T5

Shell Rotella T5 15W-40 Synthetic Blend works even harder than API CK-4 specifications require. The oil provides excellent performance across API CK-4 wear tests, providing an average of 37% better than the maximum wear requirements.

If you have been using Shell Rotella T4 15W-40 diesel oil in your engine and want the added benefits of using Shell Rotella T5 15W-40 Synthetic Blend, the two oils can be mixed in your engine. There should not be any effects when draining Shell Rotella T4 15W-40 diesel oil from an engine and replacing it with Shell Rotella T5 15W-40 Synthetic Blend. In addition, it is suitable to top off an engine filled with Shell Rotella T4 15W-40 diesel oil with Shell Rotella T5 15W-40 Synthetic Blend without any impact.

Your truck is important to your livelihood and requires strong engine protection. Shell Rotella T5 15W-40 Synthetic Blend provides added benefits that can help keep your engine performing at peak efficiency longer. For additional information, visit