With a substantial focus on superior wear protection and engine cleanliness in comparison to other brands, Shell Rotella® has become an ally for fleet managers whose rigs are faced with long distances and extreme weather conditions.

Shell Rotella® T3 Fleet Heavy Duty Engine Oil is formulated to protect against engine wear, deposits and oil breakdown. T3 Fleet helps provide reliable protection and performance in fleet and off-highway equipment, offering the convenience of a single oil suitable for a wide range of vehicle manufacturers.

Shell Rotella is a line of heavy-duty engine lubrication products produced by Shell plc. The line includes engine oils, gear oils and coolants. The oil carries both the American Petroleum Institute (API) diesel "C" rating as well as the API gasoline engine "S" rating. Ratings differ based on the oil.

Shell Rotella® T5 Ultra 10W-30 Synthetic Blend heavy duty engine oil is designed for new on-highway diesel engines. It provides hardworking protection at a lower viscosity than CK-4 oils.

Mobil and shell are both good options. Go for what is cheap. Both have a good additive pack. Mobil1 (0w-40) has a higher viscosity Index while Shell helix ultra is lighter as per specs on paper.

Shell Rotella T6 Full Synthetic heavy-duty engine oil with Triple Protection Plus™ technology has been enhanced with fully synthetic base oil plus advanced additive technology to provide protection against wear, deposits and oil breakdown, PLUS better low temperature flow and better fuel economy performance1.

Shell Rotella T6 Multi-Vehicle 5W-30 Full Synthetic can be used in a wide array of on- and off-road vehicles, including: heavy and medium duty trucks, gasoline pickups and cars.

Shell Rotella T6 Multi-Vehicle 5W-30 Full Synthetic can be used in a wide array of on- and off-road vehicles, including: heavy and medium duty trucks, gasoline pickups and cars.

While there is not much difference in terms of actual engine performance among various lubricants of same grade (e.g. 10W40) belonging to any premium brand such as Castrol, Shell, Motul, Repsol etc, it is a general feeling among all bikers riding super bikes/naked sports bikes etc that Motul is relatively better.

Benefits of Shell Helix Fully Synthetic Motor Oil It stays stronger for longer to provide superior protection against wear, up to 32% better resistance to oil degradation than the latest industry standard* and up to 50% less evaporation to help keep your passion for driving alive.

Shell Rotella® T6 Full Synthetic Diesel Oil provides excellent protection against harmful engine wear and sludge. Count on Shell Rotella T6 Full Synthetic, 15W-40, 5W-40 and 0W-40 synthetic diesel engine oil for: Compatibility with exhaust emissions control systems. Protection in extreme operating temperatures.

Mobil Delvac 1™ 5W-40 is a fully synthetic high performance heavy duty diesel engine oil that helps towards long engine life while providing long drain capability for modern diesel engines operating in severe applications.