{"product_id":"triax-gear-premium-ls-80w-90-gear-oil-wide-spec-coverage","title":"TRIAX Gear Premium LS 80W-90 Gear Oil - Wide Spec Coverage","description":"\u003cp\u003eIn this review the TRIAX Gear Premium LS 80W-90 is presented as a heavy-duty gear oil aimed at technicians and fleet managers who need one fluid that covers many vehicle makes. The bottom line: this is a practical choice when compatibility and long-term protection matter most, because it delivers a remarkably wide OEM specification range and a built-in limited slip formulation so separate additives are not required. For shops that service mixed fleets, that single-POV compatibility is the clearest reason to consider it.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidest specification range:\u003c\/strong\u003e Compatible with a large number of hypoid gear systems, differentials and transmissions from manufacturers such as VOLVO, Mack, MAN, ZF and EATON, reducing the need to stock multiple oils.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSevere service formulation:\u003c\/strong\u003e The polyphosphate EP proprietary additive system improves shear stability and oxidation resistance compared with lower cost, older gear oils, helping extend drain intervals under tough operating conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in limited slip adpak:\u003c\/strong\u003e Includes a dedicated limited slip package so it can be used in differentials with wet brakes without adding separate additives.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutstanding scuffing protection:\u003c\/strong\u003e Exceeds Load Stage 13 extreme pressure requirements and offers protection against severe gear scuffing and synchronizer wear for long transmission life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShear stable:\u003c\/strong\u003e Maintains viscosity and film strength under high load, high temperature and high shear conditions to preserve gear tooth protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe TRIAX Premium LS 80W-90 is best for fleet operators, heavy truck technicians and independent repair shops servicing mixed OEMs who want one oil that covers many hypoid gear, axle and transmission applications. It is especially useful where limited slip differentials and wet brake compatibility are common and stocking a single product reduces inventory complexity.\u003c\/p\u003e\n\u003cp\u003eIt is less suited to owners who require a manufacturer-specific narrow-spec lubricant mandated by warranty terms or passenger car owners looking for lighter viscosity gear oils. If a vehicle maker specifies a less common or synthetic-only oil, consult the vehicle handbook before switching.\u003c\/p\u003e\n\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVery broad OEM compatibility reduces the need to carry multiple gear oils for different makes.\u003c\/li\u003e\n\u003cli\u003eIntegrated limited slip additive avoids separate dosing and simplifies service procedures.\u003c\/li\u003e\n\u003cli\u003eStrong shear and oxidation resistance supports longer service life in severe duty conditions.\u003c\/li\u003e\n\u003cli\u003eHigh extreme pressure and scuffing protection help prolong transmission and differential 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 a substitute for a specific synthetic or proprietary formulation mandated by some manufacturers; always check vehicle specifications.\u003c\/li\u003e\n\u003cli\u003ePackaging and drain interval recommendations are not detailed in the product description, so technicians must confirm change intervals from the OEM or lab analysis.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct\u003c\/td\u003e\n\u003ctd\u003eTRIAX Gear Premium LS 80W-90\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eViscosity Grade\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 adpak, no extra additive required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eHypoid gear systems, differentials, manual transmissions, axles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOEM Coverage\u003c\/td\u003e\n\u003ctd\u003eCompatible with VOLVO, Mack, MAN, ZF, EATON and many others\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePerformance Traits\u003c\/td\u003e\n\u003ctd\u003eSevere service shear stability and oxidation resistance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExtreme Pressure\u003c\/td\u003e\n\u003ctd\u003eExceeds Load Stage 13 requirements\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eFor mixed-fleet maintenance and heavy-duty applications the TRIAX Gear Premium LS 80W-90 represents strong value because it combines broad OEM compatibility with an integrated limited slip formulation and proven extreme pressure protection. Technicians who need one dependable gear oil for a wide range of trucks and axles will find it simplifies inventory while protecting gears under severe service.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this oil in limited slip differentials?\u003c\/strong\u003e\u003cbr\u003eYes, it includes a built-in limited slip adpak and is formulated for limited slip differentials including those with wet brakes, so no extra additive is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this suitable for all truck and axle makes?\u003c\/strong\u003e\u003cbr\u003eIt covers a very wide OEM specification range including VOLVO, Mack, MAN, ZF and EATON, but always confirm the vehicle manufacturer specification before switching oils.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it offer long drain capability?\u003c\/strong\u003e\u003cbr\u003eThe formula emphasizes shear stability and oxidation resistance for extended life in severe service, but drain intervals should follow OEM guidance or oil analysis.\u003c\/p\u003e","brand":"Triax","offers":[{"title":"Default Title","offer_id":48632127881435,"sku":"B0D3VNNYP5","price":54.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61jn6ppJNPL._SL1030.jpg?v=1778459843","url":"https:\/\/gearmusthave.com\/products\/triax-gear-premium-ls-80w-90-gear-oil-wide-spec-coverage","provider":"GearMustHave","version":"1.0","type":"link"}