L-CKD Heavy Load Closed Gear Oil is a high-performance lubricant engineered for extreme industrial working conditions. Blended with premium high-viscosity index base oils and a multifunctional additive package, it delivers outstanding extreme pressure and anti-wear protection for enclosed gear drive systems under heavy, shock and high-temperature loads. Compliant with GB 5903-95 standards and ISO VG 100 viscosity grade, it effectively reduces gear surface scuffing, lowers operation noise and extends the service life of mechanical components, being an ideal lubrication solution for heavy industrial equipment.