Shell Rotella T1 30W Heavy Duty Diesel Motor OilLow ash content, minimizing formation of deposits and helping to keep intake ports clean. Oxidation resistance to help maximize service life. Rust and corrosion protection for critical engine parts. Optimized dispersant content to help prevent engine sludge and varnish deposits. Shell Rotella T1 oils are suitable for use in many turbo- and non-turbocharged light/medium-duty diesel-powered trucks and transport operations, including city operations and long-distance service. Shell Rotella T1 can provide dependable lubrication for small-to-medium-agricultural equipment, such as tractors. Also suitable for many low/medium-powered stationary applications such as diesel-powered water pumps, generators, etc. Shell Rotella T1 is suitable for use in mobile hydraulic and transmission systems, as well as for stop-start conditions in construction, mining, or quarry operations, protecting against bearing wear and deposit formation. Not recommended for high-speed engines.Features Monograde SAE 30 viscosity for consistent lubrication; API CF/SL rated for diesel and gasoline compatibility; Reliable protection against wear, sludge, and oxidation; Manufactured by Shell trusted performance for decades;