Parent Petroleum Co. AP Gear 85W140 303147

larger image Multi-purpose Lubricant Castrol AP, (all purpose) Gear Lubricant is formulated with high-quality base oils and additives that provide excellent load-carrying ability, EP properties, wear resistance, oxidation stability and anti-rust, anti-corrosion and anti-foam properties. Thermally Stable Castrol AP Gear Lubricants are multi-purpose, extreme pressure gear oils that are thermally stable and will provide transmission, differential and other application protection beyond that specified for the current MIL-PRF-2105E and API GL-5 requirements. This thermal stability extends oil service life and reduces critical component wear.