{"title":"Kubota KX121-3","description":"\u003cp\u003eOutfit your \u003cstrong\u003eKubota KX121-3\u003c\/strong\u003e mini excavator with heavy-duty replacement rubber tracks built to OEM specs in size \u003cstrong\u003e350x54.5x86\u003c\/strong\u003e, backed by a 24-month warranty and free freight to the lower 48.\u003c\/p\u003e\n\u003ch3\u003eSpecifications at a Glance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrack size:\u003c\/strong\u003e 350x54.5x86\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 350 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePitch:\u003c\/strong\u003e 54.5 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLinks:\u003c\/strong\u003e 86\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTread Patterns\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eDirectional\u003c\/strong\u003e — The excavation specialist — directional tread optimized for digging and slope work.\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch3\u003eMatched Undercarriage Components\u003c\/h3\u003e\u003cp\u003eEvery wear part for the \u003cstrong\u003eKubota KX121-3\u003c\/strong\u003e undercarriage, fit-verified and ready to ship:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/kubota-kx121-3-sprocket\"\u003eDrive Sprocket\u003c\/a\u003e — OEM Part #RD118-14433\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/kubota-kx121-3-front-idler\"\u003eFront Idler\u003c\/a\u003e — OEM Part #RD118-21300\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/kubota-kx121-3-carrier-roller\"\u003eTop Roller\u003c\/a\u003e — OEM Part #RD411-22900\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/kubota-kx121-3-track-roller\"\u003eBottom Roller\u003c\/a\u003e — OEM Part #RD118-21700\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAlso Fits These Machines\u003c\/h3\u003e\u003cp\u003eThese machines run the same \u003cstrong\u003e350x54.5x86\u003c\/strong\u003e track, so this fitment crosses over:\u003c\/p\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"\/collections\/kubota-kx121-2\"\u003eKubota KX121-2\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch3\u003eThe TrackTECH Difference\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium virgin rubber\u003c\/strong\u003e — anti-chunk compound built for long service life in abrasive conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEndless high-tensile cables\u003c\/strong\u003e — single-cure construction with no weak splice point.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous steel cord\u003c\/strong\u003e — up to 40% stronger than typical aftermarket tracks, resisting stretch and de-tracking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision OEM alignment\u003c\/strong\u003e — a reinforced roller path keeps running smooth and vibration low.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUpgrade your Kubota KX121-3 today. Order online for free freight, or call \u003ca href=\"tel:8508167898\"\u003e(850) 816-7898\u003c\/a\u003e. Need a hand matching size and guide? Try the \u003ca href=\"\/pages\/rubber-track-finder\"\u003eTrack Finder\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"kubota-kx121-3-rubber-tracks","title":"Kubota KX121-3 Rubber Tracks | 350x54.5x86","description":"\u003cp\u003e\u003cstrong\u003eKubota KX121-3 Rubber Tracks\u003c\/strong\u003e — OEM grade replacement tracks engineered for contractor-grade performance.\u003c\/p\u003e\u003cp\u003eDirect OEM grade replacement for the Kubota KX121-3. Track size: \u003cstrong\u003e350x54.5x86\u003c\/strong\u003e. Tread pattern: \u003cstrong\u003eDirectional\u003c\/strong\u003e.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous Steel Cord\u003c\/strong\u003e — 40% stronger than competitor tracks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Virgin Rubber\u003c\/strong\u003e — anti-chunk, anti-tear compound\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrop-Forged Steel Links\u003c\/strong\u003e — precision OEM alignment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e24-Month Warranty\u003c\/strong\u003e — backed by TrackTECH's contractor guarantee\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrack Size:\u003c\/strong\u003e 350x54.5x86\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 350 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePitch:\u003c\/strong\u003e 54.5 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLinks:\u003c\/strong\u003e 86\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTread Pattern:\u003c\/strong\u003e Directional\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Make:\u003c\/strong\u003e Kubota\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Model:\u003c\/strong\u003e KX121-3\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe TrackTECH advantage\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSame-day shipping\u003c\/strong\u003e on in-stock orders placed before 2 PM CT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree freight\u003c\/strong\u003e to the lower 48 states\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e24-month warranty\u003c\/strong\u003e on materials and workmanship\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContractor pricing\u003c\/strong\u003e — bulk and fleet discounts available\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment guaranteed\u003c\/strong\u003e — we verify before we ship\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TrackTECH","offers":[{"title":"350x54.5x86","offer_id":52362283188536,"sku":"TT-KX121-3-350X545X86-DR","price":1283.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/3493\/3560\/files\/15-directional-rubber-track-for-excavators_b58b35c0-e785-4f99-b796-d04c0eef0c32.webp?v=1778702580"},{"product_id":"kubota-kx121-3-sprocket","title":"Kubota Drive Sprocket | Part #RD118-14433","description":"\u003cp\u003e\u003cstrong\u003eKubota KX121-3 Sprocket\u003c\/strong\u003e — OEM grade replacement part for your Kubota KX121-3.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHeat-treated steel construction\u003c\/li\u003e\n\u003cli\u003ePrecision-machined to OEM tolerances\u003c\/li\u003e\n\u003cli\u003eDirect replacement, no modifications required\u003c\/li\u003e\n\u003cli\u003e12-month warranty against manufacturing defects\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe TrackTECH advantage\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSame-day shipping\u003c\/strong\u003e on in-stock orders placed before 2 PM CT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree freight\u003c\/strong\u003e to the lower 48 states\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e24-month warranty\u003c\/strong\u003e on materials and workmanship\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContractor pricing\u003c\/strong\u003e — bulk and fleet discounts available\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment guaranteed\u003c\/strong\u003e — we verify before we ship\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TrackTECH","offers":[{"title":"Default Title","offer_id":52362375758136,"sku":"TT-KX121-3-SP-RD118-14433","price":190.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/3493\/3560\/files\/ctl-sprocket_ba3231e7-692a-49ad-ae10-a49e8d646c67.webp?v=1778640380"},{"product_id":"kubota-kx121-3-front-idler","title":"Kubota Front Idler | Part #RD118-21300","description":"\u003cp\u003e\u003cstrong\u003eKubota KX121-3 Front Idler\u003c\/strong\u003e — OEM grade replacement part for your Kubota KX121-3.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHeat-treated steel construction\u003c\/li\u003e\n\u003cli\u003ePrecision-machined to OEM tolerances\u003c\/li\u003e\n\u003cli\u003eDirect replacement, no modifications required\u003c\/li\u003e\n\u003cli\u003e12-month warranty against manufacturing defects\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe TrackTECH advantage\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSame-day shipping\u003c\/strong\u003e on in-stock orders placed before 2 PM CT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree freight\u003c\/strong\u003e to the lower 48 states\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e24-month warranty\u003c\/strong\u003e on materials and workmanship\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContractor pricing\u003c\/strong\u003e — bulk and fleet discounts available\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment guaranteed\u003c\/strong\u003e — we verify before we ship\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TrackTECH","offers":[{"title":"Default Title","offer_id":52362375790904,"sku":"TT-KX121-3-FI-RD118-21300","price":539.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/3493\/3560\/files\/front-idler-ca935_309d6429-3cc8-4541-8eb8-d01373506f78.webp?v=1778640381"},{"product_id":"kubota-kx121-3-track-roller","title":"Kubota Bottom Roller | Part #RD118-21700","description":"\u003cp\u003e\u003cstrong\u003eKubota KX121-3 Track Roller\u003c\/strong\u003e — OEM grade replacement part for your Kubota KX121-3.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHeat-treated steel construction\u003c\/li\u003e\n\u003cli\u003ePrecision-machined to OEM tolerances\u003c\/li\u003e\n\u003cli\u003eDirect replacement, no modifications required\u003c\/li\u003e\n\u003cli\u003e12-month warranty against manufacturing defects\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe TrackTECH advantage\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSame-day shipping\u003c\/strong\u003e on in-stock orders placed before 2 PM CT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree freight\u003c\/strong\u003e to the lower 48 states\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e24-month warranty\u003c\/strong\u003e on materials and workmanship\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContractor pricing\u003c\/strong\u003e — bulk and fleet discounts available\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment guaranteed\u003c\/strong\u003e — we verify before we ship\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TrackTECH","offers":[{"title":"Default Title","offer_id":52362375889208,"sku":"TT-KX121-3-TR-RD118-21700","price":167.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/3493\/3560\/files\/bottom-roller_1_a3ff7518-def8-4fa8-ad13-d1f0de8fbfc2.webp?v=1778640382"},{"product_id":"kubota-kx121-3-carrier-roller","title":"Kubota Top Roller | Part #RD411-22900","description":"\u003cp\u003e\u003cstrong\u003eKubota KX121-3 Carrier Roller\u003c\/strong\u003e — OEM grade replacement part for your Kubota KX121-3.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHeat-treated steel construction\u003c\/li\u003e\n\u003cli\u003ePrecision-machined to OEM tolerances\u003c\/li\u003e\n\u003cli\u003eDirect replacement, no modifications required\u003c\/li\u003e\n\u003cli\u003e12-month warranty against manufacturing defects\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe TrackTECH advantage\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSame-day shipping\u003c\/strong\u003e on in-stock orders placed before 2 PM CT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree freight\u003c\/strong\u003e to the lower 48 states\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e24-month warranty\u003c\/strong\u003e on materials and workmanship\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContractor pricing\u003c\/strong\u003e — bulk and fleet discounts available\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment guaranteed\u003c\/strong\u003e — we verify before we ship\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TrackTECH","offers":[{"title":"Default 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