TOTALINE® P257-8590 Direct Drive Blower Motor – 3/4 HP, 208-230 VAC, 1,075 RPM, 3-Speed PSC

The High-Torque Powerhouse for Large Systems

The TOTALINE® P257-8590 is a heavy-duty, 3/4 HP direct-drive blower motor engineered for high-static residential and light commercial 208-230V HVAC systems. As a factory-authorized OEM replacement part, this Permanent Split Capacitor (PSC) motor acts as the primary air-moving "force" for larger tonnage Carrier, Bryant, and Payne air handlers and furnaces. Designed to overcome the resistance of extensive ductwork and high-efficiency filters, it utilizes a 3-speed configuration to provide precise airflow management, ensuring your heating and cooling cycles operate at peak performance while maintaining consistent indoor air quality. 

Key Features

• High-Output Performance: The P257-8590 provides 3/4 HP of high-torque power, specifically designed to handle the airflow demands of 4-ton and 5-ton HVAC systems.
• OEM Reliability: As a genuine Totaline component, it serves as a direct drop-in replacement, matching the exact electrical and mechanical specifications of the original factory motor.
• Multi-Speed Versatility: Features 3-speed taps (High, Medium, Low), allowing for custom CFM adjustments to prevent coil freezing in cooling mode or high-limit trips in heating mode.
• Superior Thermal Protection: Built with an internal automatic reset thermal overload to protect the motor windings from overheating during high-demand or restricted airflow conditions.
• Field-Reversible Rotation: Engineered with a reversible rotation design, making it compatible with a wide variety of blower housing orientations in the field. 

Product Details

• Brand: TOTALINE® (Carrier Authorized)
• Manufacturer Part #: P257-8590
• Weight: 19.4 lbs
• Horsepower (HP): 3/4 HP
• Voltage: 208-230 VAC
• Full Load Amps (FLA): 4.2 - 5.8 Amps (varies by load)
• RPM: 1,075 RPM
• Speeds: 3-Speed
• Frame Size: 48Y (5.6-inch diameter)
• Capacitor Required: 10 MFD @ 370 VAC (Verify on nameplate)
• Enclosure: Open Drip Proof (ODP) 

🛠️ HVAC Depot Pro Tip

"Check Your Blower Wheel Balance." When installing a high-torque 3/4 HP motor like the P257-8590, any imbalance in the blower wheel will be magnified, leading to bearing failure and excessive noise. Before mounting, inspect the wheel for missing weights or bent fins. Always replace the run capacitor with a new 10 MFD / 370V unit; a 3/4 HP motor requires full start-up torque to prevent the "humming" start that eventually burns out the motor windings. Ensure all wiring is secured away from the moving wheel using zip ties. 

Cross-Reference

• Superseded/Legacy Numbers: 1171802, F257-3590, F2573590, P257-8290, HC45AE231
• Equivalent Model Numbers: 5KCP39SGV616S, K55HXLGY-2358, HC45AE230
• White-Rodgers/Emerson Equivalents: Emerson 1865, 50M51-243 (Control logic)
• Other Equivalents: MARS 10590, Wagner WG840590, Packard FDL1076

Model Compatibility

• Carrier/Bryant FB4B (Suffixes: 048, 060**)**
• Carrier/Bryant FA4A (Suffixes: 048, 060**)**
• Payne PF4M (Suffixes: 048, 060**)**
• Carrier/Bryant 40AQ (Suffixes: 048, 060**)**
• Carrier/Bryant FC4D (Suffixes: 048, 060**)**