Overview The Trane COM03749 (also commonly listed as COM3749) is an Original Equipment Manufacturer (OEM) reciprocating compressor designed for use in Trane Heating, Ventilation, and Air Conditioning (HVAC) systems. This compressor is rated for approximately 6 to 6.75 tons of cooling capacity and is a critical component for reliable refrigeration applications. Features Genuine Original Equipment Manufacturer (OEM) part. Designed for reliable operation in refrigeration systems, ensuring consistent cooling performance. Specifications Part Number: COM03749 (or COM3749) Voltage: 230V Phase: 3 PH (Three Phase) Horsepower (HP): 6 HP (some sources indicate 6.75 TON capacity) Refrigerant Rating: R22 Motor Hertz: 60 Hz Applications The Trane COM03749 compressor is primarily designed for refrigeration applications within commercial and industrial HVAC systems, such as air conditioning units. Note that some sources indicate this specific part number is obsolete and has been replaced by the Trane COM11220.