Armada 75W-90 Full Synthetic Gear Oil is a full synthetic, extended drain, improved fuel efficiency heavy duty gear lubricant designed to meet the service demands of the latest heavy duty manual transmissions, axles and drive units that call for an API GL-5 type product. Armada Full Synthetic Gear Oil is formulated for extreme pressure and severe service with additives to prevent rust and oxidation and provides improved fuel economy, extended drain intervals and all-season use, even in sub-zero temperatures. Suitable for use where the following specs are recommended: API GL-5, MT-1, ArvinMeritor O76-N, O765-E; DANA SHAES-256 Rev C; Eaton E5500; International TMS 6816; US MIL-PRE_2105E/SAE J2360; Mack GO-J Plus