{"title":"Kobelco SK50SR-3 Tracks \u0026 Parts","description":"\u003cp\u003eHigh-grade \u003cstrong\u003eKobelco SK50SR-3\u003c\/strong\u003e rubber tracks and undercarriage parts, engineered to OEM fitment in \u003cstrong\u003e400x72.5Nx74\u003c\/strong\u003e. Heavy-duty construction for digging, grading and trenching — every order ships free.\u003c\/p\u003e\n\u003ch3\u003eSpecifications at a Glance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrack size:\u003c\/strong\u003e 400x72.5Nx74\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 400 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePitch:\u003c\/strong\u003e 72.5 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLinks:\u003c\/strong\u003e 74\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuide:\u003c\/strong\u003e Offset guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAvailable Tread Patterns\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eDirectional\u003c\/strong\u003e — Angled directional lugs purpose-built for excavation, grading and trenching.\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch3\u003eMatched Undercarriage Components\u003c\/h3\u003e\u003cp\u003eEvery wear part for the \u003cstrong\u003eKobelco SK50SR-3\u003c\/strong\u003e undercarriage, fit-verified and ready to ship:\u003c\/p\u003e\u003cul\u003e\u003cli\u003e\n\u003ca href=\"\/products\/kobelco-sk50sr-3-track-roller\"\u003eBottom Roller\u003c\/a\u003e — OEM Part #PY64D00002F3\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch3\u003eTracks That Cross Over\u003c\/h3\u003e\u003cp\u003eThese machines run the same \u003cstrong\u003e400x72.5Nx74\u003c\/strong\u003e track, so this fitment crosses over:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/case-cx47\"\u003eCase CX47\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/case-cx50\"\u003eCase CX50C Tracks\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/case-cx50b\"\u003eCase CX50B\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/case-cx50bmc\"\u003eCase CX50BMC\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/case-cx50bmr\"\u003eCase CX50BMR\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/case-cx50bzts\"\u003eCase CX50BZTS\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/john-deere-50g\"\u003eJohn Deere 50G\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/kobelco-sk042\"\u003eKobelco SK042\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/kobelco-sk042-1\"\u003eKobelco SK042-1\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/kobelco-sk045\"\u003eKobelco SK045\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eThe TrackTECH Advantage\u003c\/h3\u003e\u003cul\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\u003eEndless high-tensile cables\u003c\/strong\u003e — single-cure construction with no weak splice point.\u003c\/li\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\u003eFree freight to the lower 48\u003c\/strong\u003e — every order ships free, with same-day dispatch on in-stock items.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eReady to roll? Buy your Kobelco SK50SR-3 undercarriage online now — or reach a track specialist at \u003ca href=\"tel:8508167898\"\u003e(850) 816-7898\u003c\/a\u003e. Use the \u003ca href=\"\/pages\/track-finder\"\u003eTrack Finder\u003c\/a\u003e to confirm the right build.\u003c\/p\u003e\u003ch2\u003eDirect Replacement Rubber Tracks for the Kobelco SK50SR-3\u003c\/h2\u003e\u003cp\u003eDirect replacement rubber tracks for the Kobelco SK50SR-3 are built for heavy-duty compact equipment applications where traction, stability, and uptime matter. These tracks are designed for dependable grip, smooth travel, and consistent performance across dirt, clay, gravel, demolition debris, utility work, grading, land clearing, excavation, and mixed jobsite terrain.\u003c\/p\u003e\u003ch3\u003eHeavy-Duty Construction for Daily Work\u003c\/h3\u003e\u003cp\u003ePremium virgin rubber compounds help resist tearing, chunking, cracking, dry rot, and premature tread wear under demanding field conditions. Continuous steel cord reinforcement adds internal strength, helps reduce stretching, and supports stable track performance through repeated turning, travel, and loading.\u003c\/p\u003e\u003ch3\u003eOEM Fit Guarantee\u003c\/h3\u003e\u003cp\u003eMachine-specific sizing, steel link spacing, and guide lug geometry are built for proper undercarriage engagement on the Kobelco SK50SR-3. Precision-aligned fitment helps support smooth travel, stable tracking, reduced vibration, and reliable sprocket contact.\u003c\/p\u003e\u003ch3\u003eBuilt to Protect the Undercarriage System\u003c\/h3\u003e\u003cp\u003eA well-built rubber track helps improve machine control while limiting unnecessary stress on rollers, idlers, and sprockets. For contractors running Kobelco equipment, that means better ride quality, stronger traction, less downtime, and better value over the life of the track.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eWhat size rubber track does the Kobelco SK50SR-3 use?\u003c\/h3\u003e\u003cp\u003eThe Kobelco SK50SR-3 uses a 400x72.5Nx74 rubber track. Note the N (narrow guide) guide-lug type — other guide types won't seat correctly on the rollers. Always confirm against your current track or the machine's spec plate, since some units shipped with more than one option.\u003c\/p\u003e\u003ch3\u003eWill this track fit my Kobelco SK50SR-3?\u003c\/h3\u003e\u003cp\u003eYes — this track is matched to the Kobelco SK50SR-3 by size and tread pattern. If your machine has a serial break or factory option, send the serial number and we'll verify fitment before shipping.\u003c\/p\u003e\u003ch3\u003eHow fast will my track ship?\u003c\/h3\u003e\u003cp\u003eIn-stock tracks ship fast from US warehouses, most within 1–2 business days, with tracking sent as soon as it leaves the dock.\u003c\/p\u003e\u003ch3\u003eAre these OEM or aftermarket Kobelco SK50SR-3 tracks?\u003c\/h3\u003e\u003cp\u003eOEM-grade aftermarket tracks built to factory fitment for the Kobelco SK50SR-3 — same dimensions and guide type, continuous steel-cord belt, at a better price than dealer OEM.\u003c\/p\u003e\u003ch3\u003eDo Kobelco SK50SR-3 tracks sell in pairs?\u003c\/h3\u003e\u003cp\u003eTracks are priced individually; a full machine needs two. Most owners replace both at once so wear stays even.\u003c\/p\u003e\u003ch3\u003eRelated Collections\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/kobelco-sk035-1\"\u003eKobelco SK035-1\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/kobelco-sk30sr-2\"\u003eKobelco SK30SR-2\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/kobelco-sk045coup\"\u003eKobelco SK045COUP_\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/kobelco-sk27sr-3\"\u003eKobelco SK27SR-3\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/kobelco-sk35sr-2\"\u003eKobelco SK35SR-2\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/kobelco-sk35sr\"\u003eKobelco SK35SR\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/kobelco\"\u003eKobelco Rubber Tracks \u0026amp; Undercarriage Parts\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","products":[{"product_id":"bottom-roller-py64d00002f3","title":"Bottom Roller | Part #TRPY64D00002F3","description":"\u003csection class=\"tt-product-description\" aria-labelledby=\"product-overview\"\u003e \u003ch2 id=\"product-overview\"\u003eBottom Roller | Part #TRPY64D00002F3\u003c\/h2\u003e \u003cp\u003eThis bottom roller is a new aftermarket undercarriage replacement part built for compact equipment to help restore proper track movement, alignment, and machine reliability.\u003c\/p\u003e \u003ch3\u003eProduct details\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart type:\u003c\/strong\u003e Bottom Roller\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReference part number:\u003c\/strong\u003e TRPY64D00002F3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New aftermarket replacement\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Compact equipment undercarriage repair\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eWhy this part matters\u003c\/h3\u003e \u003cp\u003eA worn bottom roller can cause track misalignment, accelerated track wear, vibration, and reduced undercarriage life. Replacing worn components helps the track system run straighter and protects the rest of the undercarriage.\u003c\/p\u003e \u003ch3\u003eBuild and fitment notes\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eDesigned to replace worn or damaged undercarriage components\u003c\/li\u003e \u003cli\u003eBuilt for contractor-grade compact equipment use\u003c\/li\u003e \u003cli\u003eSupports and guides the track system\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eRecommended with\u003c\/h3\u003e \u003cp\u003eFor best service life, inspect the matching rubber tracks, drive sprockets, rollers, and idlers at the same time. \u003ca href=\"\/pages\/request-a-quote\"\u003eContact our fitment team\u003c\/a\u003e to confirm the correct parts for your machine.\u003c\/p\u003e\n\u003ch3\u003eThe TrackTECH advantage\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSame-day shipping\u003c\/strong\u003e on in-stock orders placed before 12 PM CT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree Shipping\u003c\/strong\u003e to the Lower 48\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 verified before shipping\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e","brand":"TrackTECH","offers":[{"title":"Default Title","offer_id":52268003361080,"sku":"TT64000023","price":180.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/3493\/3560\/files\/trpy64d00002f3-585192_85e97817-1945-43e8-b49d-0719c56450f6.webp?v=1777382764"},{"product_id":"kobelco-sk50sr-3-rubber-tracks","title":"Kobelco SK50SR-3 Rubber Tracks | 400x72.5Nx74","description":"\u003csection class=\"tt-product-description\" aria-labelledby=\"product-overview\"\u003e\u003ch2 id=\"product-overview\"\u003eKobelco SK50SR-3 Rubber Tracks | 400x72.5Nx74\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eKobelco SK50SR-3 Rubber Tracks\u003c\/strong\u003e - OEM grade replacement tracks engineered for contractor-grade performance.\u003c\/p\u003e\n\u003cp\u003eDirect replacement for the Kobelco SK50SR-3. Track size: \u003cstrong\u003e400x72.5Nx74\u003c\/strong\u003e. Tread pattern: \u003cstrong\u003eDirectional\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrack Size:\u003c\/strong\u003e 400x72.5Nx74\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 400 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePitch:\u003c\/strong\u003e 72.5 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLinks:\u003c\/strong\u003e 74\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuide Type:\u003c\/strong\u003e N\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 Kobelco\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Model:\u003c\/strong\u003e SK50SR-3\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eThe TrackTECH advantage\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSame-day shipping\u003c\/strong\u003e on in-stock orders placed before 12 PM CT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree Shipping\u003c\/strong\u003e to the Lower 48\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\u003cstrong\u003eFitment verified before shipping\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e","brand":"TrackTECH","offers":[{"title":"Default Title","offer_id":52362269983032,"sku":"TT-SK50SR-3-400X725NX74-DR","price":1399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/3493\/3560\/files\/16-directional-hero_f8143313-6079-48f5-9fa9-6aa3adfb6735.webp?v=1778634270"},{"product_id":"kobelco-sk50sr-3-track-roller","title":"Kobelco SK50SR-3 Bottom Roller | Part #PY64D00002F3","description":"\u003cp\u003e\u003cstrong\u003eKobelco SK50SR-3 Track Roller\u003c\/strong\u003e — OEM grade replacement part for your Kobelco SK50SR-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":52362367500600,"sku":"TT-SK50SR-3-TR-PY64D00002F3","price":180.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/3493\/3560\/files\/trpy64d00002f3-585192_fb41ef0c-1f5d-4e12-b52b-ae661a9c904d.webp?v=1778634733"}],"url":"https:\/\/newrubbertrack.com\/collections\/kobelco-sk50sr-3.oembed","provider":"TrackTECH","version":"1.0","type":"link"}