{"product_id":"bottom-roller-lk328","title":"John Deere 75D Bottom Roller | Part #LK328","description":"\u003ch2\u003eJohn Deere 75D Bottom Roller | Part #LK328\u003c\/h2\u003e\u003cp\u003eThis replacement \u003cstrong\u003ebottom roller\u003c\/strong\u003e is cataloged for \u003cstrong\u003eJohn Deere 75D\u003c\/strong\u003e and is intended for service in the tracked undercarriage. The bottom roller carries machine load along the lower track path and supports stable 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":"PN LK328","offer_id":53009734467896,"sku":"TT-75D-TR-LK328","price":175.0,"currency_code":"USD","in_stock":true},{"title":"PN RD809-21703","offer_id":53009734533432,"sku":"TT-75D-TR-RD809-21703","price":190.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/3493\/3560\/files\/trlk328-hero-01_3f26be56-b4e8-4f12-8751-0df8d1814e6e.webp?v=1784328303","url":"https:\/\/newrubbertrack.com\/products\/bottom-roller-lk328","provider":"TrackTECH","version":"1.0","type":"link"}