Description
The US Motors 6770 is a heavy-duty two-speed blower motor engineered for reliable performance in residential and light commercial HVAC air-handling applications. Built to exacting standards, this motor delivers consistent airflow control across two operating speeds, making it ideal for furnace blower assemblies and air handler units where variable airflow is required.
Key Specifications
- Horsepower: 3/4 HP
- Voltage: 115VAC
- Speeds: 2-Speed
- RPM: 1725 / 1140
- Amperage: 10.9 Amps
- NEMA Frame Size: 56Z
- Bearing Type: Sleeve Bearing
- Shaft Diameter: 1/2″
Features & Benefits
- Two-speed operation allows flexible airflow management for heating and cooling modes
- 56Z NEMA frame ensures broad OEM and aftermarket compatibility for easy replacement
- Sleeve bearing construction provides quiet, smooth operation in continuous-duty blower applications
- 1/2″ shaft diameter accommodates standard blower wheel hubs for straightforward installation
- 115VAC single-phase power supply compatible with standard residential electrical systems
- Durable construction from US Motors — a trusted name in HVAC motor manufacturing
Typical Applications
- Residential and light commercial furnace blower assemblies
- Air handler and fan coil units
- HVAC systems requiring two-speed airflow control
- OEM replacement and aftermarket motor upgrades







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