{"product_id":"312-b-sprkt-21t-15bh-16mm-bolt","title":"4I7472 Sprocket 21T","description":"\u003cp\u003eThe 4I7472 is a 21-tooth full sprocket engineered for the Cat 312-B, 311-B, and 313-B excavators with 171mm pitch track chains. \u003cstrong\u003eImportant:\u003c\/strong\u003e The original 4I7472 sprocket was made for 50mm bushings. Sprocket 1802677 replaces the 4I7472 and is made for the 54mm bushing — Trek 7-11-15 is also made for the 54mm bushing. This sprocket does not have mud reliefs.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-family: Arial,sans-serif; font-size: 14px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #003478; color: #ffffff;\"\u003e\n\u003cth style=\"padding: 10px; text-align: left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding: 10px; text-align: left;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003ctd style=\"padding: 8px 10px;\"\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 10px;\"\u003e\u003cspan\u003e4I7472\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 8px 10px;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 10px;\"\u003eCat 312-B \/ 311-B \/ 313-B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003ctd style=\"padding: 8px 10px;\"\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 10px;\"\u003eFull Sprocket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 8px 10px;\"\u003e\u003cstrong\u003eTeeth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 10px;\"\u003e21T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003ctd style=\"padding: 8px 10px;\"\u003e\u003cstrong\u003ePitch\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 10px;\"\u003e171.10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 8px 10px;\"\u003e\u003cstrong\u003eBolt Holes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 10px;\"\u003e15 x 16mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003ctd style=\"padding: 8px 10px;\"\u003e\u003cstrong\u003eBushing Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 10px;\"\u003e50mm (original)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 8px 10px;\"\u003e\u003cstrong\u003eMud Reliefs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 10px;\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003ctd style=\"padding: 8px 10px;\"\u003e\u003cstrong\u003eItem Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 10px;\"\u003e92.40 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 8px 10px;\"\u003e\u003cstrong\u003eSet Quantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 10px;\"\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003ctd style=\"padding: 8px 10px;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 10px;\"\u003eUndercarriage \/ Sprockets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Irontrack Supply","offers":[{"title":"21 \/ 171.10","offer_id":48549319540919,"sku":"07110015","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/2331\/2311\/files\/ITS_Sprocket.png?v=1780852036","url":"https:\/\/irontracksupply.com\/products\/312-b-sprkt-21t-15bh-16mm-bolt","provider":"IronTrack Supply","version":"1.0","type":"link"}