{"product_id":"triax-gear-premium-ls-80w-90-gear-oil-wide-spec-protection","title":"Triax Gear Premium LS 80W-90 Gear Oil - Wide-Spec Protection","description":"\u003cp\u003eIn this review the Triax Gear Premium LS 80W-90 is presented as a practical choice for owners of manual transmissions, hypoid gear systems and limited slip differentials who want broad compatibility and long component life. The bottom line: this gear oil's \u003cstrong\u003ewidest spec range\u003c\/strong\u003e and built-in limited slip additive make it a single-bottle solution for many differingials and axle assemblies, and its formulation emphasizes shear stability and scuffing protection that matter in severe service applications.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidest compatibility:\u003c\/strong\u003e Works with a very large number of hypoid gear systems, differentials, transmissions and axle assemblies so fewer fluid changes or product swaps are required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in limited slip additive:\u003c\/strong\u003e Includes optimized LS chemistry so no separate additive is necessary for limited slip differentials, including units with wet brakes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSevere service stability:\u003c\/strong\u003e Formulated for exceptional shear stability and oxidation resistance to maintain viscosity and film strength under high load and high temperature.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutstanding scuffing protection:\u003c\/strong\u003e The proprietary polyphosphate EP additive system exceeds heavy extreme pressure requirements for long gear and synchronizer life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh load capacity:\u003c\/strong\u003e Exceeds Load Stage 13 extreme pressure requirements and protects gears under heavy torque and shock loading.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe Triax Premium LS 80W-90 suits owners of trucks, SUVs and vintage vehicles that use hypoid gears or limited slip differentials and need a robust, shear-stable oil that meets a broad range of OEM specs. It is also a good choice for fleet operators and technicians who prefer a single product to cover many axle and transmission types.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include users requiring synthetic-only formulations for extreme low-temperature starts or those who need a product explicitly labeled for a narrow modern OEM specification not listed here; for such specialized cases an OEM-specific gear oil may be a better match.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBroad application range reduces the need to stock multiple gear oils.\u003c\/li\u003e\n\u003cli\u003eBuilt-in limited slip additive removes the extra step of adding LS friction modifier.\u003c\/li\u003e\n\u003cli\u003eExcellent shear and thermal stability helps preserve viscosity and film strength in severe service.\u003c\/li\u003e\n\u003cli\u003eStrong scuffing protection and EP performance protect gears and synchronizers for long service life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNot marketed as a full synthetic option, so users seeking a specific synthetic formulation should verify suitability.\u003c\/li\u003e\n\u003cli\u003eLabeling focuses on wide compatibility rather than listing every OEM spec, so technicians should confirm fit for unique OEM requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eGear oil for hypoid gears and differentials\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eViscosity\u003c\/td\u003e\n\u003ctd\u003e80W-90\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLimited Slip Ready\u003c\/td\u003e\n\u003ctd\u003eBuilt-in LS additive, no extra additive required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePerformance Additive\u003c\/td\u003e\n\u003ctd\u003ePolyphosphate EP proprietary system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eService Strength\u003c\/td\u003e\n\u003ctd\u003eSevere service, shear stable, high thermal stability\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExtreme Pressure\u003c\/td\u003e\n\u003ctd\u003eExceeds Load Stage 13 (beyond 120,000 lbs\/sq in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContainer Size\u003c\/td\u003e\n\u003ctd\u003e1 gallon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Triax Gear Premium LS 80W-90 is a practical, value-oriented choice for anyone needing a single, reliable gear oil that covers many hypoid gear systems and limited slip differentials. Its built-in LS chemistry and strong shear stability make it especially valuable for vintage trucks, fleets and severe service use where compatibility and long transmission life matter.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs an extra limited slip additive required?\u003c\/strong\u003e\u003cbr\u003eNo, the product contains a built-in limited slip additive optimized for limited slip differentials, including those with wet brakes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this oil be used in manual transmissions and differentials?\u003c\/strong\u003e\u003cbr\u003eYes, it is formulated for manual transmissions, hypoid gear systems and differentials and is presented as widely compatible across many assemblies.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this suitable for severe service and high load use?\u003c\/strong\u003e\u003cbr\u003eYes, the oil emphasizes shear stability, oxidation resistance and exceeds Load Stage 13 extreme pressure requirements for heavy-duty protection.\u003c\/p\u003e","brand":"Triax","offers":[{"title":"Default Title","offer_id":48235509350619,"sku":"B07QPPTG5N","price":34.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71xfMt_9lBL._SL1500.jpg?v=1770724544","url":"https:\/\/gearmusthave.com\/products\/triax-gear-premium-ls-80w-90-gear-oil-wide-spec-protection","provider":"GearMustHave","version":"1.0","type":"link"}