{"product_id":"bottom-track-roller-rb511-21702-for-kubota-u30-3-kx71-3-kx71-3s-kx91-3-rubber","title":"Bottom Track Roller RB511-21702 for Kubota U30-3 KX71-3 KX71-3S KX91-3  Rubber","description":"\u003cstrong\u003eThis Bottom Track Roller is a high-quality aftermarket replacement part compatible with Kubota U30-3, KX71-3, KX71-3S, and KX91-3 and matches OEM Part# RB511-21702.\u003c\/strong\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThis bottom track roller is a critical undercarriage component designed to support the machine weight and ensure smooth operation for Kubota mini excavators. It is manufactured to withstand rigorous job site conditions while maintaining track alignment.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHigh-strength forged steel construction for maximum durability\u003c\/li\u003e\n\u003cli\u003ePrecision-sealed bearings to prevent internal contamination\u003c\/li\u003e\n\u003cli\u003eEngineered to reduce friction and wear on rubber tracks\u003c\/li\u003e\n\u003cli\u003eDirect fit replacement ensuring minimal installation time\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMake:\u003c\/strong\u003e Kubota\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModels:\u003c\/strong\u003e U30-3, KX71-3, KX71-3S, KX91-3\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number(s):\u003c\/strong\u003e RB511-21702\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Bottom Track Roller\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrack Application:\u003c\/strong\u003e Rubber\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this roller come with installation bolts? \u003cstrong\u003eA:\u003c\/strong\u003e This listing includes the roller assembly; existing mounting hardware should be inspected and reused or replaced as needed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is this compatible with steel track versions of these models? \u003cstrong\u003eA:\u003c\/strong\u003e This specific roller is designed for use on machines equipped with rubber tracks.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eCompatibility may vary by serial number. Verify fitment before purchase.\u003c\/em\u003e\u003c\/p\u003e","brand":"DURAFORCE","offers":[{"title":"Default Title","offer_id":53489794154769,"sku":"ZZ2T02201","price":252.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/12_fcec7861-ae70-4888-8a1d-35140d2081ed.jpg?v=1777728583","url":"https:\/\/www.duraforce.com\/products\/bottom-track-roller-rb511-21702-for-kubota-u30-3-kx71-3-kx71-3s-kx91-3-rubber","provider":"DURAFORCE","version":"1.0","type":"link"}