{"title":"Cat 303.5D Tracks \u0026 Parts","description":"\u003cp\u003eShop verified-fit rubber tracks and undercarriage parts for the Cat 303.5D.\u003c\/p\u003e","products":[{"product_id":"heavy-duty-300x52-5wx90-directional","title":"12\" Heavy Duty Mini Excavator Tracks (300x52.5Wx90)","description":"\u003cp\u003e\u003cstrong\u003eOne track size, broad machine coverage.\u003c\/strong\u003e The \u003cstrong\u003e300x52.5Wx90 Heavy Duty rubber track (12-inch)\u003c\/strong\u003e fits verified applications including \u003cstrong\u003eCAT 303.5, CAT 303.5CCR, CAT 303.5CR, CAT 303.5DCR, CAT 303.5E CR, and CAT 303CR\u003c\/strong\u003e plus 11 additional verified machine. This 90-link configuration serves mini excavators across demanding work environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMaximize Uptime. Lower the Cost Per Hour.\u003c\/strong\u003e A failed track costs more than the replacement—it costs production time. This Heavy Duty replacement track is built for contractors and fleets that need dependable machine availability, predictable wear and useful traction instead of mid-job interruptions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTrackTECH Advantage:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous Steel Cord:\u003c\/strong\u003e Jointless internal steel cable construction removes splice points and reinforces the track against stretching and high-load stress.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForged Steel Links:\u003c\/strong\u003e Heat-treated internal guide links support consistent sprocket engagement under repeated torque and load cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWear \u0026amp; Ground Contact:\u003c\/strong\u003e Heavy-duty lug geometry balances traction, footprint stability and long-wearing contact across everyday jobsites.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControlled Travel:\u003c\/strong\u003e Tread geometry is selected for predictable forward and reverse movement during digging, trenching and repositioning.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eConfirm the Full Size\u003c\/strong\u003e Match the width, pitch and link count of the 300x52.5Wx90 against your existing track, or use the \u003ca href=\"\/pages\/rubber-track-finder\"\u003eTrackTECH Rubber Track Finder\u003c\/a\u003e to confirm fitment for your machine before ordering.\u003c\/p\u003e","brand":"TrackTECH","offers":[{"title":"Default Title","offer_id":52307283935544,"sku":"TT300525W90DR","price":1049.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/3493\/3560\/files\/tnt300525w90hd-extra-1-v1.webp?v=1790618580"}],"url":"https:\/\/newrubbertrack.com\/collections\/cat-303-5d.oembed","provider":"TrackTECH","version":"1.0","type":"link"}