{"product_id":"hitachi-ex40u-carrier-roller","title":"Hitachi EX40U Top Roller | Part #RD411-22900","description":"\u003ch2\u003eHitachi EX40U Top Roller | Part #RD411-22900\u003c\/h2\u003e\u003cp\u003eThis replacement \u003cstrong\u003etop roller\u003c\/strong\u003e is cataloged for \u003cstrong\u003eHitachi EX40U\u003c\/strong\u003e and is intended for service in the tracked undercarriage. The top roller supports the return side of the track and helps maintain controlled belt travel.\u003c\/p\u003e\u003ch2\u003eBuilt for Undercarriage Service\u003c\/h2\u003e\u003cp\u003eWear components operate as a system. Correct geometry, mounting, and alignment matter because a worn sprocket, seized roller, damaged idler, or incorrect tension can accelerate wear across new and existing components.\u003c\/p\u003e\u003ch2\u003eConfirm Fitment Before Installation\u003c\/h2\u003e\u003cp\u003eMatch the machine model and the physical part configuration before installation. TrackTECH can verify the application using the machine model, existing part information, and undercarriage details when needed.\u003c\/p\u003e\u003ch2\u003eService the System, Not Just One Part\u003c\/h2\u003e\u003cp\u003eInspect the track, sprocket teeth, rollers, idlers, guards, alignment, and tension while the machine is accessible. Replacing a failed component without correcting related wear can shorten service life and create tracking problems.\u003c\/p\u003e\u003cp\u003eTrackTECH provides fitment support before shipment and 24-month warranty coverage against manufacturing defects.\u003c\/p\u003e","brand":"TrackTECH","offers":[{"title":"Default Title","offer_id":52362354491704,"sku":"TT-EX40U-CR-RD411-22900","price":111.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/3493\/3560\/files\/crrd411-22900-hero-01_4adc4b3e-dc35-47b6-879a-445f8d1945de.webp?v=1784327776","url":"https:\/\/newrubbertrack.com\/products\/hitachi-ex40u-carrier-roller","provider":"TrackTECH","version":"1.0","type":"link"}