PennGrade 1® high-performance gear lubricants help protect against challenging conditions including outdoor environment, extended operation, extreme heat and extreme pressures. Our high-quality lubricants keep your vehicle running in peak condition. Help avoid loss of corrosion protection and protect against severe temperatures. Trust PennGrade 1® gear lubricants for the ultimate safeguard and extension of gear life.
GL-4 Gear Oils
GL-5 Gear Oils