Trane MOT3771 Motor

The Trane MOT3771 is a direct-drive HVAC blower motor designed for high-static applications in residential and light commercial air handlers. This 1 HP condenser motor operates at 208-230V, single-phase, delivering a consistent 1125 RPM. Built on a standard 48 frame, it features an open drip-proof (ODP) enclosure to ensure optimal thermal management during continuous duty cycles. As a specialized OEM Trane replacement motor, the MOT3771 maintains the precise torque curves and electrical characteristics required for Trane and American Standard systems. This PSC motor requires a 10 MFD / 370V capacitor for proper phase shifting and startup torque. When replacing a burnt out blower motor, verify the shaft dimensions and rotation—typically CCWLE—to ensure proper airflow across the evaporator coil. This unit is built for durability in demanding climates, providing the reliability necessary for professional contractor installations.

Key Benefits

• Broad Compatibility: Direct drop-in replacement for specific Trane and American Standard air handlers and furnaces.
• Optimized Performance: Engineered for 1125 RPM to maintain factory-specified CFM across the heat exchanger.
• Standardized Mounting: 48 frame diameter allows for easy integration with existing belly band or stud mounts.
• High Efficiency: PSC design offers improved electrical efficiency compared to older shaded-pole motors.

Common Questions

What capacitor does the MOT3771 require?
This motor typically utilizes a 10 MFD at 370V run capacitor; always check the nameplate on the specific motor received for final verification.

Can I use this to replace a 1075 RPM motor?
It is recommended to match the RPM exactly. Replacing a 1075 RPM motor with this 1125 RPM unit may increase amperage draw and lead to premature failure.

Is this motor reversible?
This motor is generally wired for a specific rotation. Check the lead wire diagram to confirm rotation compatibility with your squirrel cage or fan blade setup.

This item is not eligible for free shipping.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.