Shell Rotella (550035022-6PK T Triple Protection SAE 15W-40 Heavy Duty Motor Diesel Oil API CJ-4-1Quart, Pack of 6 Rotella T Triple Protection provides significantly better wear protection than previous generation oils to maximize engine efficiency and prolong engine life Formulated with improved soot control and exclusive detergent system to deliver outstanding piston and engine cleanliness Provides outstanding protection virtually for all heavy duty diesel engines, including the latest emission controlled engines using EGR and containing a diesel particulate filter Suitable for use in agricultural, mining, logging, and construction applications, even with high levels of fuel sulfur; suitable for use in pick-up truck, sport-utility vehicles, mini-vans and motorcycles