Swepco 201 Gear Oil, 80/90 API GL-5 and MT-1 rated lubricant and Exceeds military specifications MIL-PRF-2105E Oxidation, rust and corrosion inhibitors, Anti-catalyst and anti-foam inhibitor Anti-wear inhibitors and extreme pressure (EP) additive Adhesive/cohesive characteristics for climbing action Pour point depressant and Limited slip characteristics