Keep your engine running like a dream with Shell Rotella T5 SAE 10W-30 Engine Oil. Enhanced with Synthetic Blend Technology, this heavy duty diesel engine oil boasts advanced additive technology to provide Triple Protection?? technology against wear, deposits and oil breakdown. Suitable for use in your diesel engine, Shell Rotella T5 SAE 10W-30 Engine Oil features low ash formulation to help protect exhaust catalysts and particulate filters found on new low emission vehicles. Keep your engine clean and running smoothly with Shell Rotella T5 SAE 10W-30 Engine Oil.