{"product_id":"2x-bottom-roller-rd148-21700-fit-kubota-kx040-4-kx121-3-kx121-3st-mini-excavator","title":"2X Bottom Roller RD148-21700 Fit Kubota KX040-4 KX121-3 KX121-3ST Mini Excavator","description":"\u003cstrong\u003eThis Bottom Roller is a high-quality aftermarket replacement part compatible with Kubota KX040-4, KX121-3, and KX121-3ST and matches OEM Part# RD148-21700.\u003c\/strong\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThis set of two bottom rollers is engineered to provide durable support and smooth track operation for mini excavators. These components are critical for maintaining the undercarriage and ensuring efficient machine movement in tough terrain.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Grade Construction:\u003c\/strong\u003eManufactured with hardened materials to resist wear and prolong service life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Alignment:\u003c\/strong\u003eDesigned to meet rigorous standards for a precise fit on specified models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable Operation:\u003c\/strong\u003eInternal seals protect bearings from dirt and debris to prevent premature failure.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Models:\u003c\/strong\u003eKubota KX040-4, KX121-3, KX121-3ST\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMachine Type:\u003c\/strong\u003eMini Excavator\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\u003eRD148-21700\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Category:\u003c\/strong\u003eBottom Track Roller\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e2 Rollers\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003eWhat is included in this product listing? \u003cstrong\u003eA:\u003c\/strong\u003eThis listing provides a set of two bottom rollers for the specified machine models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003eDo these rollers match original equipment specifications? \u003cstrong\u003eA:\u003c\/strong\u003eYes, these components are engineered to match the dimensions and performance of the original parts.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eCompatibility may vary by serial number. Verify fitment before purchase.\u003c\/em\u003e\u003c\/p\u003e","brand":"Northline Parts","offers":[{"title":"Default Title","offer_id":42820957208647,"sku":"ZZ2T02360","price":349.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/7123\/5399\/files\/12_5f2cbd5d-0704-486b-8fb5-633947f63da5.jpg?v=1779794310","url":"https:\/\/www.northlineparts.com\/products\/2x-bottom-roller-rd148-21700-fit-kubota-kx040-4-kx121-3-kx121-3st-mini-excavator","provider":"Northline Parts","version":"1.0","type":"link"}