Overview
The Trane MOT3474 is an Original Equipment Manufacturer (OEM) AC motor primarily designed for use in Trane Heating, Ventilation, and Air Conditioning (HVAC) systems. It is generally described as a small, single-phase motor that ensures reliable and efficient mechanical operation within compatible equipment. This part number has been discontinued by the manufacturer (effective March 7, 2022) and is directly replaced by MOT03474. Note that some sources indicate different specifications (e.g., 1/2 HP, 3-phase) for an inducer motor version.
Features
- OEM replacement motor from Trane.
- Designed for HVAC applications.
- Motor Type: AC.
- Single-phase operation (1 Phase).
- Features a clockwise (CW) rotation.
- Includes a sealed ball bearing for durability and quiet operation.
- Belly band mounting style for easy installation.
- Equipped with Automatic Thermal Protector technology.
Specifications
- Horsepower (HP): 1/20 HP (Note: Some sources indicate 1/2 HP, 3-phase for an inducer motor version).
- Voltage: 115 VAC (Note: Some sources indicate 380-415/460V for the 1/2 HP, 3-phase version).
- Speed: 3,200 RPM (Note: Some sources indicate 915/1100 RPM for the 1/2 HP, 3-phase version).
- Number of Speeds: 2.
- Frequency: 60 Hz.
- Load Current: 1.3 A.
- Frame Size: 3.3 Diameter.
- Shaft Diameter: 0.3125″.
- Shaft Length: 1.19″.
- Weight: 4.06 lbs.
Applications
The MOT3474 motor is intended for use in various Trane HVAC equipment where it converts electrical energy into mechanical energy, typically driving components like fans or blowers to ensure proper air circulation and temperature control. Some variations of this part may be specifically used as an Inducer Motor.


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