Wear on rings and cylinder liners leads to increased oil consumption and loss of compression, resulting in reduced horsepower and fuel economy. Third-party testing shows AMSOIL Heavy-Duty Synthetic Diesel Oil delivers 4X more wear protection1 to help maximize equipment life and reduce maintenance costs and downtime.
AMSOIL Heavy-Duty Synthetic Diesel Oil is compatible with other conventional and synthetic oils. Mixing AMSOIL diesel oil with other oils, however, will reduce its performance benefits.Aftermarket oil additives are not recommended for use with AMSOIL synthetic diesel oils.