This is a BRAND NEW GE Genteq Trane/American Standard Furnace ECM BLOWER MOTOR. The Trane/American Standard part # is MOT11974 (also 5456). The GE Genteq # is SME39HL0902. It replaces 1/2 HP motors- 120/240 volt, and 1050 RPM. The motor is 5 5/8" in diameter (Frame 48Y). The shaft extends 4" out of the motor and is 1/2" in diameter. The rotation is reversible. This listing does not include motor module which is sold seperately. Thanks for looking!