{"product_id":"shell-atf-spirax-s6-tes-668-syn-1-gal","title":"Shell Spirax S6 ATF A668 Synthetic Transmission Fluid, 1 Gallon","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eShell Spirax S6 ATF A668 Full Synthetic Heavy-Duty Automatic Transmission Fluid\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eShell Spirax S6 ATF A668 is a fully synthetic automatic transmission fluid specifically designed and approved for transmissions requiring \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eAllison TES-668\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Engineered for demanding commercial service, it delivers consistent shifting, dependable component protection, and extended fluid life—even under severe operating conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIts advanced synthetic formulation helps maintain stable viscosity throughout the recommended service interval, protecting gears, bearings, and other transmission components while supporting efficient power transfer.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eKey Features \u0026amp; Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eLong-lasting transmission protection:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Stable viscosity helps maintain the lubricating film needed to protect critical components under demanding loads.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eExtended service capability:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Excellent oxidation resistance helps control deposits and supports longer fluid-change intervals where approved by the transmission manufacturer.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSmooth, consistent shifting:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Durable friction characteristics help maintain predictable shift quality and efficient power transfer.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCold-weather performance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Excellent low-temperature properties support effective transmission operation in cold conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eFoam control and filterability:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Helps maintain reliable lubrication and hydraulic control system performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMixed-fleet versatility:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Suitable for qualifying Allison and certain Voith transmissions, along with selected applications calling for older DEXRON or MERCON specifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eRecommended Applications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for qualifying medium- and heavy-duty automatic transmissions used in commercial trucks, municipal fleets, school buses, coaches, emergency vehicles, vans, motorhomes, and heavy-duty pickups.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBackward compatible with Allison-approved \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eTES-295, TES-389, and TES-468\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e fluids where recommended by Allison for on-highway applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eManufacturer Approvals\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAllison TES-668 — Approval \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e668-10222021\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDTFR 13C190\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDANA-OHTM-ATF-X — \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e22A-0004\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eVoith H55.6335.xx\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSuitable for Applications Requiring\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eVolvo 97340 \/ 97341\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFord MERCON\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eGM DEXRON II \/ IIIG \/ IIIH\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMAN 339 Type V1\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eJASO 1-A\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCaterpillar AT-1\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eAlways follow the transmission manufacturer’s requirements for fluid selection, filter replacement, and service intervals.\u003c\/span\u003e\u003c\/p\u003e","brand":"AHAM PRODUCT LLC","offers":[{"title":"Default Title","offer_id":67958433644743,"sku":"SH550062008-1GAL","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/8032\/5319\/files\/shell-550062008-high-resolution.jpg?v=1792451188","url":"https:\/\/ahamoilproducts.com\/products\/shell-atf-spirax-s6-tes-668-syn-1-gal","provider":"AHAM PRODUCT LLC","version":"1.0","type":"link"}