Shell Rotella T1 40 CF/CF-2 Motor Diesel Oil 5 Gallon - Pack of 1 550019892

For best performance, follow the manufacturer's recommendations in your vehicle owner’s manual.
Conventional monograde motor oil for specialty vehicles such as tractors and buses
Low ash content, minimizing formation of deposits and helping to keep intake ports clean
Outstanding oxidation resistance to help maximize service life
Excellent rust and corrosion protection for critical engine parts
Optimized dispersant content to help prevent engine sludge and varnish deposits
Rotella Heavy Duty, engine oil features multi-functional, low ash additive technology in a synthetic base oil designed to provide highly responsive protection that continuously adapts to your driving conditions.