{"product_id":"trane-mot18973-oem-direct-drive-blower-motor-single-phase-1200-rpm-48-frame-open-air-over-oao-2-speed","title":"Trane MOT18973 OEM Direct Drive Blower Motor – Single Phase, 1200 RPM, 48 Frame, Open Air Over (OAO), 2 Speed","description":"\u003ch2\u003eTrane MOT18973 Genuine OEM Direct Drive Blower Motor – 1200 RPM, 48 Frame, 2 Speed\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eTrane MOT18973 Direct Drive Blower Motor\u003c\/strong\u003e is an OEM replacement motor designed for compatible Trane heating and air conditioning equipment. This motor powers the indoor blower wheel, circulating heated or cooled air through the HVAC system to help maintain proper airflow, indoor comfort, and reliable system performance.\u003c\/p\u003e\n\u003cp\u003eFeaturing \u003cstrong\u003esingle-phase electrical operation, 1200 RPM, a 48 frame, Open Air Over (OAO) construction, and two operating speeds\u003c\/strong\u003e, the MOT18973 is designed for specific direct-drive blower applications requiring controlled air circulation.\u003c\/p\u003e\n\u003ch3\u003eWhat Does This Part Do?\u003c\/h3\u003e\n\u003cp\u003eThe blower motor spins the blower wheel inside the HVAC system, moving air across the heating or cooling components and distributing conditioned air through the ductwork.\u003c\/p\u003e\n\u003cp\u003eWhen a blower motor begins to fail, you may notice weak airflow from the vents, unusual humming or grinding noises, inconsistent indoor temperatures, overheating, or an HVAC system that runs without properly circulating air.\u003c\/p\u003e\n\u003cp\u003eReplacing a defective blower motor with the correct \u003cstrong\u003eTrane MOT18973 OEM replacement\u003c\/strong\u003e helps restore proper blower operation and supports reliable heating and cooling performance.\u003c\/p\u003e\n\u003ch2\u003eKey Features \u0026amp; Function\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrane OEM Replacement:\u003c\/strong\u003e MOT18973 direct-drive blower motor for compatible HVAC equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle-Phase Operation:\u003c\/strong\u003e Designed for compatible single-phase electrical systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1200 RPM:\u003c\/strong\u003e Rated motor speed based on the supplied product specifications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-Speed Design:\u003c\/strong\u003e Provides two selectable operating speeds for compatible blower controls.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e48 Frame:\u003c\/strong\u003e Motor frame classification for compatible mounting assemblies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpen Air Over (OAO):\u003c\/strong\u003e Motor enclosure designed for cooling through airflow over the motor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Drive Design:\u003c\/strong\u003e Powers the blower wheel without a belt-drive assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndoor Air Circulation:\u003c\/strong\u003e Helps distribute conditioned air throughout the HVAC system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Equipment Compatibility:\u003c\/strong\u003e Intended for Trane equipment specifically requiring MOT18973.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eProduct Details \u0026amp; Key Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eManufacturer\u003c\/th\u003e\n\u003ctd\u003eTrane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eMOT18973\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eDirect Drive Blower Motor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDrive Type\u003c\/th\u003e\n\u003ctd\u003eDirect Drive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eElectrical Phase\u003c\/th\u003e\n\u003ctd\u003eSingle Phase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eRated Speed\u003c\/th\u003e\n\u003ctd\u003e1200 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eNumber of Speeds\u003c\/th\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFrame Size\u003c\/th\u003e\n\u003ctd\u003e48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMotor Enclosure\u003c\/th\u003e\n\u003ctd\u003eOpen Air Over (OAO)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eHorsepower\u003c\/th\u003e\n\u003ctd\u003eVerify Manufacturer Nameplate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eVoltage\u003c\/th\u003e\n\u003ctd\u003eVerify Manufacturer Nameplate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFrequency\u003c\/th\u003e\n\u003ctd\u003eVerify Manufacturer Nameplate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMotor Design\u003c\/th\u003e\n\u003ctd\u003eVerify Manufacturer Specifications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMotor Rotation\u003c\/th\u003e\n\u003ctd\u003eVerify Original Motor Nameplate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBearing Type\u003c\/th\u003e\n\u003ctd\u003eVerify Manufacturer Specifications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMounting Configuration\u003c\/th\u003e\n\u003ctd\u003eVerify Original Equipment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eShaft Diameter\u003c\/th\u003e\n\u003ctd\u003eVerify Manufacturer Specifications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eShaft Length\u003c\/th\u003e\n\u003ctd\u003eVerify Manufacturer Specifications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMotor Current\u003c\/th\u003e\n\u003ctd\u003eVerify Manufacturer Nameplate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eRun Capacitor\u003c\/th\u003e\n\u003ctd\u003eVerify Motor Design and Nameplate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eThermal Protection\u003c\/th\u003e\n\u003ctd\u003eVerify Manufacturer Specifications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eShipping Weight\u003c\/th\u003e\n\u003ctd\u003eVerify Supplier Specifications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eEquipment Application\u003c\/th\u003e\n\u003ctd\u003eCompatible Trane Direct Drive Blower Assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eSpecification Notice:\u003c\/strong\u003e The phase, RPM, frame size, enclosure, and speed count are based on the supplied product specifications. Confirm horsepower, voltage, motor rotation, shaft dimensions, capacitor requirements, and mounting configuration against the original motor nameplate and manufacturer documentation before installation.\u003c\/p\u003e\n\u003ch2\u003eHVAC Depot Pro Tip\u003c\/h2\u003e\n\u003ch3\u003eCheck the Blower Wheel, Capacitor, and Speed Wiring\u003c\/h3\u003e\n\u003cp\u003eIf your HVAC blower is humming, running slowly, overheating, or failing to start, the motor may not be the only component requiring attention.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHVAC Depot Pro Tip:\u003c\/strong\u003e Have a qualified HVAC technician inspect the blower wheel, electrical connections, motor bearings, speed-control wiring, and any applicable run capacitor before replacing the motor.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation Tip:\u003c\/strong\u003e Before installing the Trane MOT18973, verify the motor horsepower, operating voltage, 1200 RPM rating, rotation, shaft dimensions, mounting arrangement, and two-speed wiring configuration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMaintenance Tip:\u003c\/strong\u003e Inspect the blower wheel for dirt buildup, damage, or mechanical binding. Restricted airflow and excessive mechanical resistance can increase motor temperatures and contribute to premature motor failure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSafety Warning:\u003c\/strong\u003e Disconnect and lock out electrical power before servicing HVAC equipment. Capacitors may retain hazardous electrical charges after power is removed. Installation should be performed by a qualified HVAC technician.\u003c\/p\u003e\n\u003ch2\u003eEquipment \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eTrane MOT18973\u003c\/strong\u003e is intended for select Trane HVAC blower assemblies requiring this OEM motor.\u003c\/p\u003e\n\u003ch3\u003eCompatible Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTrane direct-drive blower assemblies specifying MOT18973.\u003c\/li\u003e\n\u003cli\u003eManufacturer-approved HVAC equipment requiring a single-phase, two-speed blower motor.\u003c\/li\u003e\n\u003cli\u003eCompatible blower assemblies designed for a 48-frame Open Air Over motor.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eModel Compatibility Status:\u003c\/strong\u003e Specific equipment model numbers have not been independently verified.\u003c\/p\u003e\n\u003ch3\u003eHow to Verify Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLocate the complete HVAC equipment model and serial number.\u003c\/li\u003e\n\u003cli\u003eConfirm MOT18973 in the manufacturer's equipment parts documentation.\u003c\/li\u003e\n\u003cli\u003eVerify the required motor horsepower and operating voltage.\u003c\/li\u003e\n\u003cli\u003eMatch the 1200 RPM rating and two-speed configuration.\u003c\/li\u003e\n\u003cli\u003eConfirm the 48 frame and Open Air Over enclosure.\u003c\/li\u003e\n\u003cli\u003eVerify motor rotation, shaft diameter, shaft length, and mounting configuration.\u003c\/li\u003e\n\u003cli\u003eConfirm any required run capacitor and wiring specifications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility Notice:\u003c\/strong\u003e Matching RPM, phase, and frame size alone does not guarantee compatibility. Always verify the original motor part number and complete equipment model before ordering.\u003c\/p\u003e","brand":"Trane","offers":[{"title":"Default Title","offer_id":54333257548139,"sku":"MOT18973","price":566.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/9683\/9531\/files\/MOT18973.jpg?v=1794425001","url":"https:\/\/tophvacparts.com\/products\/trane-mot18973-oem-direct-drive-blower-motor-single-phase-1200-rpm-48-frame-open-air-over-oao-2-speed","provider":"HVAC Parts and Equipment Depot Open To Homeowners and Contractors","version":"1.0","type":"link"}