J&D Manufacturing 72" Mega Direct Drive Exhaust Fan, 50,084 CFM - Galvanized Prop, High Efficiency

SKU: VMDA72G3C43C-HE
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Sale Price$7,016.47

The J&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.

Features & Benefits

  • Permanent Magnet Direct-Drive Motor - Zero Maintenance: Eliminates belts, pulleys, bearings, tensioners, and greasing - reducing scheduled maintenance and virtually eliminating drivetrain failures.
  • IP66-Rated Totally Enclosed Motor: Fully sealed against dust and water ingress for maximum reliability in the harshest agricultural environments.
  • Integrated Variable Speed Driver: Onboard driver enables precise airflow control without a separate VFD, simplifying installation and reducing component cost.
  • Soft Start: Gradual motor ramp-up on each start reduces mechanical stress and extends fan life.
  • Galvanized or Poly Propeller Options: Choose the prop material that best suits your application and corrosion resistance requirements.
  • UV-Resistant Fiberglass Housing & Cone: Smooth molded exterior resists UV degradation and is easy to clean for low ongoing maintenance.
  • High Performance & High Efficiency Models: Standard model delivers up to 64,057 CFM; HE model exceeds 23 CFM/Watt for maximum energy savings.
  • Backed by a 2-Year Warranty: J&D's industry-standard warranty on all Mega Direct Drive fans.

Technical Specifications

Part # Motor Volts Amps Phase RPM Prop CFM @ 0" SP CFM @ 0.05" SP CFM @ 0.10" SP CFM @ 0.15" SP CFM @ 0.20" SP FEI @ 0.10"
VMDA72G3C43C 4.0 kW PM-DD 460 6.15 3 450 Galvanized 64,057 61,269 58,368 54,955 50,969 1.75
VMDA72G3C43C-HE 4.0 kW PM-DD 460 6.15 3 450 Galvanized 54,987 52,784 50,084 46,850 43,519 2.28
VMDA72P5C43C 4.0 kW PM-DD 460 6.15 3 450 Poly 59,594 57,603 55,505 53,460 51,268 1.75

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