The Multifan Aluminum Motor (Vendor # M4E5003M70) is a powerful, energy-efficient replacement motor engineered to drive 20-inch Multifan ventilation fans in agricultural, horticultural, and industrial settings. Operating on a 240V single-phase power supply, this motor delivers consistent, high-performance airflow while withstanding the harsh conditions commonly found in livestock housing, greenhouses, and processing facilities.
Designed for continuous-duty operation, this motor features a durable die-cast aluminum housing, providing superior corrosion resistance and thermal conductivity. Its sealed ball bearings, thermal overload protection, and IP55 enclosure rating ensure reliable operation in dusty, humid, and ammonia-rich environments—making it a trusted solution for year-round ventilation needs.
Key Features:
- Voltage: 240V, Single-Phase, 60Hz
- Horsepower: ~5/8 HP (0.63 HP) – Optimized for 20" fan operation
- Speed: ~1,600 RPM for high airflow output
- Amperage: Approx. 2.0 Amps full load
- Construction: Rugged die-cast aluminum housing for corrosion resistance and thermal efficiency
- Motor Type: Totally Enclosed Air Over (TEAO), sealed ball-bearing
- Protection: Built-in thermal overload protection, IP55 rated for dust and water spray resistance
- Mounting: OEM-fit for Multifan 20” axial panel fans (4E50 series)
Ideal Applications:
- Poultry barns (broiler, layer, breeder)
- Swine and cattle facilities
- Greenhouses and horticultural houses
- Dairy parlors and holding areas
- Industrial and commercial ventilation systems
Upgrade your ventilation system with the Multifan M4E5003M70 Aluminum Motor—engineered for durability, built for performance, and optimized for long-term value.
Brand | Multifan |
Material | Die Cast Aluminum |
Suitable For Use With | Vostermans Ventilation Multifan 4E50 20 in Fan |
Voltage Rating | 240 VAC |
Horsepower | 5/8 HP |
RPM | 1,600 RPM |
Voltage | 240 VAC, 60 Hz |
Need Help?
Give us a call at 1-800-845-3374 or send us an email at info@farmerboyag.com to speak with our product experts!