Motivity HD Global OAT Antifreeze/Coolant is a heavy-duty, long-life engine coolant. The fluid is designed to provide maximum protection for many types of engines. This includes on-highway, off-road, and stationary uses. This coolant uses advanced Organic Acid Technology (OAT). It provides a extended service life without needing supplemental coolant additives (SCAs). Its formula is free of nitrites, silicates, and phosphates. This offers superior protection for modern cooling systems while maintaining compatibility with seals and hoses in both diesel and gasoline engines.