{"product_id":"521-3694-top-roller","title":"UltraDrive 521-3694 Top Roller","description":"\u003cp\u003eThe UltraDrive 521-3694 Top Roller is an OEM-specification roller built to fit CATERPILLAR 307 machines. Machined to the precise tolerances required by CATERPILLAR equipment, this replacement roller restores full undercarriage function -- reducing operating noise, preventing premature track wear, and extending overall machine life.\u003c\/p\u003e\n\u003cp\u003eUltratrack stocks OEM-grade CATERPILLAR undercarriage parts verified by make, model, and serial number. Every roller ships free to the contiguous United States with same-day processing and is backed by a 30 Month manufacturers defect warranty.\u003c\/p\u003e","brand":"UltraTrack","offers":[{"title":"Default Title","offer_id":47784250147075,"sku":"521-3694","price":182.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/2967\/8595\/files\/ut-png_430x_9c254a4e-46d9-4ba1-a5c6-ba1ef95257ef.png?v=1772073339","url":"https:\/\/ultratrack.com\/products\/521-3694-top-roller","provider":"Ultra Track \u0026 Tire LLC","version":"1.0","type":"link"}