{"product_id":"j-d-manufacturing-72-mega-direct-drive-exhaust-fan","title":"J\u0026D Manufacturing 72\" Mega Direct Drive Exhaust Fan","description":"\u003cp\u003eThe J\u0026amp;D Manufacturing 72\" Mega Direct Drive Exhaust Fan sets a new standard in large-scale barn ventilation performance and reliability. Powered by a 4.0 kW IP66-rated permanent magnet direct-drive motor with an integrated variable-speed driver, this fan delivers up to 64,057 CFM - among the highest outputs available in any barn exhaust fan - with no belts, pulleys, bearings, or tensioners to service. Available in galvanized or poly propeller configurations, the Mega Direct Drive is purpose-built for dairy, poultry, livestock, greenhouse, and industrial operations where maximum airflow and minimal maintenance are non-negotiable.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePermanent Magnet Direct-Drive Motor - Zero Maintenance:\u003c\/strong\u003e Eliminates belts, pulleys, bearings, tensioners, and greasing - reducing scheduled maintenance and virtually eliminating drivetrain failures.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIP66-Rated Totally Enclosed Motor:\u003c\/strong\u003e Fully sealed against dust and water ingress for maximum reliability in the harshest agricultural environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated Variable Speed Driver:\u003c\/strong\u003e Onboard driver enables precise airflow control without a separate VFD, simplifying installation and reducing component cost.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSoft Start:\u003c\/strong\u003e Gradual motor ramp-up on each start reduces mechanical stress and extends fan life.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGalvanized or Poly Propeller Options:\u003c\/strong\u003e Choose the prop material that best suits your application and corrosion resistance requirements.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUV-Resistant Fiberglass Housing \u0026amp; Cone:\u003c\/strong\u003e Smooth molded exterior resists UV degradation and is easy to clean for low ongoing maintenance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Performance \u0026amp; High Efficiency Models:\u003c\/strong\u003e Standard model delivers up to 64,057 CFM; HE model exceeds 23 CFM\/Watt for maximum energy savings.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBacked by a 2-Year Warranty:\u003c\/strong\u003e J\u0026amp;D's industry-standard warranty on all Mega Direct Drive fans.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eMotor\u003c\/th\u003e\n\u003cth\u003eVolts\u003c\/th\u003e\n\u003cth\u003eAmps\u003c\/th\u003e\n\u003cth\u003ePhase\u003c\/th\u003e\n\u003cth\u003eRPM\u003c\/th\u003e\n      \u003cth\u003eProp\u003c\/th\u003e\n\u003cth\u003eCFM @ 0\" SP\u003c\/th\u003e\n\u003cth\u003eCFM @ 0.05\" SP\u003c\/th\u003e\n\u003cth\u003eCFM @ 0.10\" SP\u003c\/th\u003e\n      \u003cth\u003eCFM @ 0.15\" SP\u003c\/th\u003e\n\u003cth\u003eCFM @ 0.20\" SP\u003c\/th\u003e\n\u003cth\u003eFEI @ 0.10\"\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eVMDA72G3C43C\u003c\/td\u003e\n\u003ctd\u003e4.0 kW PM-DD\u003c\/td\u003e\n\u003ctd\u003e460\u003c\/td\u003e\n\u003ctd\u003e6.15\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003e450\u003c\/td\u003e\n\u003ctd\u003eGalvanized\u003c\/td\u003e\n\u003ctd\u003e64,057\u003c\/td\u003e\n\u003ctd\u003e61,269\u003c\/td\u003e\n\u003ctd\u003e58,368\u003c\/td\u003e\n\u003ctd\u003e54,955\u003c\/td\u003e\n\u003ctd\u003e50,969\u003c\/td\u003e\n\u003ctd\u003e1.75\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eVMDA72G3C43C-HE\u003c\/td\u003e\n\u003ctd\u003e4.0 kW PM-DD\u003c\/td\u003e\n\u003ctd\u003e460\u003c\/td\u003e\n\u003ctd\u003e6.15\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003e450\u003c\/td\u003e\n\u003ctd\u003eGalvanized\u003c\/td\u003e\n\u003ctd\u003e54,987\u003c\/td\u003e\n\u003ctd\u003e52,784\u003c\/td\u003e\n\u003ctd\u003e50,084\u003c\/td\u003e\n\u003ctd\u003e46,850\u003c\/td\u003e\n\u003ctd\u003e43,519\u003c\/td\u003e\n\u003ctd\u003e2.28\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eVMDA72P5C43C\u003c\/td\u003e\n\u003ctd\u003e4.0 kW PM-DD\u003c\/td\u003e\n\u003ctd\u003e460\u003c\/td\u003e\n\u003ctd\u003e6.15\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003e450\u003c\/td\u003e\n\u003ctd\u003ePoly\u003c\/td\u003e\n\u003ctd\u003e59,594\u003c\/td\u003e\n\u003ctd\u003e57,603\u003c\/td\u003e\n\u003ctd\u003e55,505\u003c\/td\u003e\n\u003ctd\u003e53,460\u003c\/td\u003e\n\u003ctd\u003e51,268\u003c\/td\u003e\n\u003ctd\u003e1.75\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"J\u0026D Manufacturing","offers":[{"title":"58,368 CFM - Galvanized Prop","offer_id":51325570187542,"sku":"VMDA72G3C43C","price":7016.47,"currency_code":"USD","in_stock":true},{"title":"50,084 CFM - Galvanized Prop, High Efficiency","offer_id":51325572940054,"sku":"VMDA72G3C43C-HE","price":7016.47,"currency_code":"USD","in_stock":true},{"title":"55,505 CFM - Poly Prop","offer_id":51325573759254,"sku":"VMDA72P5C43C","price":6936.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0910\/5912\/6550\/files\/Mega_Direct_Drive.webp?v=1779319145","url":"https:\/\/hydrobuilder.com\/products\/j-d-manufacturing-72-mega-direct-drive-exhaust-fan","provider":"Hydrobuilder","version":"1.0","type":"link"}