{"product_id":"drive-sprocket-21-tooth-15-hole-325mm-bore-built-f","title":"Drive Sprocket 21-Tooth 15-Hole 325mm Bore Built For Excavators Beefed Up For Komatsu PC100-5 PC120-6 PC150-7 And Caterpillar Machines Heavy Duty Sprocket Ready To Roll","description":"\u003cdiv\u003eSingle heavy-duty excavator sprocket, 21 teeth, 325mm bore\u003cbr\u003e\n✔️ 21 teeth, 15 bolt holes, 325mm bore, alloy steel build \u003cp\u003eThe heavy-duty drive sprocket is an OEM-equivalent replacement built for excavators and mining gear. It fits Komatsu PC100-5, PC120-6, PC150-7, PC110-7, PC100-6 and many Caterpillar, Hitachi, Volvo, Doosan and Hyundai models, helping you keep your undercarriage rolling on rough sites.\u003c\/p\u003e \u003cp\u003e✅ 21 teeth, 15 bolt holes, 325mm inner bore (uses 16x45mm coarse thread bolts) \u003cbr\u003e\n✅ Weight: 86 lbs (39 kg) for sturdy performance \u003cbr\u003e\n✅ Alloy steel construction stands up to excavation, trenching, and material handling \u003cbr\u003e\n✅ OEM-equivalent parts: 16989 and 21957 for reliable replacement \u003cbr\u003e\n✅ Helps maintain track alignment and drive system integrity\u003c\/p\u003e \u003cp\u003e💡 What is a drive sprocket used for in excavator track systems?\u003cbr\u003eA handy piece that converts engine torque into track motion, keeping heavy machinery moving on tough sites.\u003cbr\u003e- Drive sprockets engage track links to transfer torque and maintain smooth motion.\u003cbr\u003e- Choose the right tooth count, bore size, and bolt pattern for a solid OEM fit and longer life.\u003cbr\u003e- Alloy steel construction holds up under harsh digging and mining work.\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48475927052523,"sku":"VXB0H25BDZD9","price":2123.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/61h1i59EJEL.jpg?v=1779388516","url":"https:\/\/vxb.com\/products\/drive-sprocket-21-tooth-15-hole-325mm-bore-built-f","provider":"VXB Bearings","version":"1.0","type":"link"}