Goodman PP3746F Condenser Fan Motor 1/2 HP 825 RPM 208-230V Class F OEM Replacement

The Goodman PP3746F is a precision-engineered Factory Authorized Parts condenser fan motor, acting as the critical mechanical heart for heat rejection in Goodman, Amana, and Janitrol outdoor units. This motor functions as the primary tool for the system’s brain, maintaining stable head pressure to ensure the compressor remains within safe thermal limits. Specifically rated with Class F insulation, it is built to withstand extreme internal temperatures and high-ambient outdoor conditions that would cause standard Class B motors to fail. This 1/2 HP powerhouse is factory-tuned to match the static pressure requirements of high-efficiency condensing coils, ensuring total system harmony.

Key Features

• Genuine OEM Part Number PP3746F: Guaranteed factory-direct fit that eliminates the need for modifications to mounting brackets or fan blade depth.
• High-Torque 825 RPM Performance: Specifically designed for low-speed, high-efficiency operation to maximize airflow while significantly reducing backyard noise levels.
• Eliminate Bearing & Vibration Issues: Replaces aging motors prone to grinding sounds or shaft play that can lead to cabinet rattling and early system failure.
• Advanced Safety Monitoring: Features internal automatic reset thermal overload protection to guard against motor burnout during electrical surges or airflow blockages.
• Superior Class F Insulation: Rated for higher heat tolerance than standard motors, ensuring longevity during the most intense summer heatwaves.

Product Details

• Brand: Goodman / ProParts
• Manufacturer: Goodman Manufacturing
• Part Number: PP3746F
• Horsepower: 1/2 HP
• Voltage: 208-230 VAC
• Speed: 825 RPM
• Amperage: 2.2 - 2.5 Amps
• Frequency: 50/60 Hz
• Phase: 1 Phase
• Insulation Class: Class F
• Enclosure: Totally Enclosed Air Over (TEAO)
• Bearing Type: Ball Bearing
• Capacitor Required: 10 MFD / 370V
• Weight: 17.7 lbs

🛠️ HVAC Depot Pro Tip

Take a Picture First — Before pulling the original leads, photograph the wiring connections on the dual-run capacitor and contactor. Since the PP3746F is a high-torque 1/2 HP motor, ensuring the correct lead is connected to the "FAN" terminal of your capacitor is critical for starting torque. If you are mounting this shaft-up, ensure the water drain plugs on the motor body are removed or facing down to prevent internal moisture buildup. Always replace your 10 MFD capacitor during the swap to prevent a weak capacitor from causing the new motor to hum and trip its thermal limit.

Cross-Reference

• Superseded Parts: PP3746, B1340020, B1340020S, B1340020
• Legacy Drawing Numbers: 5KCP39SGS162S, 5KCP39SGY542S, 0131M00007P
• White-Rodgers/Emerson Equivalents: Emerson 1868, Century EM3746F, Fasco D729, Packard 43746

Model Compatibility

• GSX13 (Suffixes: 030, 036, 042, 048, 060)
• GSX14 (Suffixes: 030, 036, 042, 048)
• GSX16 (Suffixes: 030, 036, 042, 048)
• GSZ13 (Suffixes: 030, 036, 042, 048)
• GSC13 (Suffixes: 030, 036, 042, 048)