{"title":"Kobelco SK45SR Tracks \u0026 Parts","description":"\u003cp\u003eHigh-grade \u003cstrong\u003eKobelco SK45SR\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\u003eKobelco SK45SR Track Specs\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\u003eChoose Your Tread\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eDirectional\u003c\/strong\u003e — Mini-excavator standard — angled lugs for digging, grading and trenching traction.\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch3\u003eKobelco SK45SR Undercarriage Lineup\u003c\/h3\u003e\u003cp\u003eEvery wear part for the \u003cstrong\u003eKobelco SK45SR\u003c\/strong\u003e undercarriage, fit-verified and ready to ship:\u003c\/p\u003e\u003cul\u003e\u003cli\u003e\n\u003ca href=\"\/products\/kobelco-sk45sr-carrier-roller\"\u003eTop Roller\u003c\/a\u003e — OEM Part #YT64D01001F1\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch3\u003eAlso Fits These Machines\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\u003eBuilt to Outlast OEM\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\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\u003eDrop-forged steel links\u003c\/strong\u003e for strength where the track meets the drive system.\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\u003eReady to roll? Buy your Kobelco SK45SR 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 SK45SR\u003c\/h2\u003e\u003cp\u003eDirect replacement rubber tracks for the Kobelco SK45SR 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 SK45SR. 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 SK45SR use?\u003c\/h3\u003e\u003cp\u003eThe Kobelco SK45SR 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 SK45SR?\u003c\/h3\u003e\u003cp\u003eYes — this track is matched to the Kobelco SK45SR 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 do I confirm the right track size for my Kobelco SK45SR?\u003c\/h3\u003e\u003cp\u003eRead the size stamped on the inside of your current track, or measure width x pitch x links. Not sure? Message us and we'll match it.\u003c\/p\u003e\u003ch3\u003eDo you stock undercarriage parts for the Kobelco SK45SR?\u003c\/h3\u003e\u003cp\u003eYes — along with the rubber track we carry top rollers for the Kobelco SK45SR, so you can refresh the whole undercarriage in one order.\u003c\/p\u003e\u003ch3\u003eDo Kobelco SK45SR 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":"kobelco-sk45sr-rubber-tracks","title":"Kobelco SK45SR Rubber Tracks | 400x72.5Nx74","description":"\u003cp\u003e\u003cstrong\u003eKobelco SK45SR Rubber Tracks\u003c\/strong\u003e — OEM grade replacement tracks engineered for contractor-grade performance.\u003c\/p\u003e\u003cp\u003eDirect OEM grade replacement for the Kobelco SK45SR. Track size: \u003cstrong\u003e400x74x72\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 400x74x72\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 74.0 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLinks:\u003c\/strong\u003e 72\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 SK45SR\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":52362269622584,"sku":"TT-SK45SR-400X74X72-DR","price":1537.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/3493\/3560\/files\/16-directional-hero_3dd1c393-b019-4429-9867-e2d9dab6de49.webp?v=1778634268"},{"product_id":"kobelco-sk45sr-carrier-roller","title":"Kobelco SK45SR Top Roller | Part #YT64D01001F1","description":"\u003cp\u003e\u003cstrong\u003eKobelco SK45SR Carrier Roller\u003c\/strong\u003e — OEM grade replacement part for your Kobelco SK45SR.\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":52362367402296,"sku":"TT-SK45SR-CR-YT64D01001F1","price":141.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/3493\/3560\/files\/top-roller_0ee14507-afa1-42ba-8522-dba0eccb5baa.webp?v=1778640377"}],"url":"https:\/\/newrubbertrack.com\/collections\/kobelco-sk45sr.oembed","provider":"TrackTECH","version":"1.0","type":"link"}