Description
The Trane MOT17779 is a 1-1/2 HP Constant Torque (CTM) ECM blower motor engineered as a direct OEM replacement for compatible Trane air handling and furnace systems. Constant torque ECM technology maintains consistent torque output across varying static pressure conditions, ensuring steady, reliable airflow regardless of filter loading or duct system changes — a significant advantage over traditional PSC motors.
Key Features
- 1-1/2 HP constant torque ECM motor for optimized blower performance
- Constant torque operation maintains consistent airflow across changing static pressures
- Energy-efficient ECM design reduces operating costs compared to standard PSC motors
- OEM Trane replacement part for precise fit and reliable compatibility
- Designed for use in Trane air handlers, furnaces, and fan coil applications
- Durable construction for long service life in demanding HVAC environments
Why Choose a Constant Torque ECM Motor?
Unlike standard PSC motors, constant torque ECM motors automatically adjust speed to maintain a set torque level, compensating for dirty filters, partially closed dampers, or other system restrictions. This results in more consistent comfort, quieter operation, and measurable energy savings over the life of the equipment.
Application
- Trane residential and light commercial air handlers
- Trane gas furnaces and fan coil units
- Direct OEM replacement — consult equipment documentation to confirm compatibility before installation
Ordering Information
- Brand: Trane
- Part Number / SKU: MOT17779
- Motor Type: Constant Torque ECM (CTM)
- Horsepower: 1-1/2 HP







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