{"product_id":"altra-industrial-motion-corp-721-20-g-gearbox","title":"Altra Industrial Motion Corp. 721-20-G Gearbox","description":"\u003cdiv\u003e\u003cp\u003eThe Altra Industrial Motion Corp 721-20-G Gearbox is a Boston Gear 700 Series worm-speed reducer configured as a G Assembly, single-reduction worm gear reducer that ships without a base. The 721-20-G model specifies a 20:1 reduction ratio, delivering a compact gear reduction within the 700 Series footprint. This gearbox is part of Altra's Boston Gear lineup, reflecting the durable, industrial‑grade construction typical of worm-drive reducers used in a wide range of industrial equipment. The unit is a self-contained gearbox intended for OEM applications and retrofits that require a 20:1 reduction with a worm-drive configuration in a base-less assembly. The combination of brand heritage and the 700 Series specification helps ensure interchangeability with compatible drives and straightforward maintenance within a standard industrial power-transmission setup.\u003c\/p\u003e\u003c\/div\u003e","brand":"ALTRA","offers":[{"title":"Used Surplus - Excellent Condition","offer_id":51659876106542,"sku":null,"price":258.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_36b66df0-624c-450e-bb25-e9aa6aa5b590.jpg?v=1769530332","url":"https:\/\/plgautomation.com\/products\/altra-industrial-motion-corp-721-20-g-gearbox","provider":"PLG Automation ","version":"1.0","type":"link"}