Response to Hello Juan.  The Century Motors model 7-193989-05 is a 1.65 THP Dual Speed Motor.  The Century 1.5 HP Square Flange 56Y Up Rate Motor - B2854 is a 1.65 THP Single Speed Motor.  If you wish to transition to a single-speed motor the B2854 is a compatible replacement motor.  If you wish to maintain dual speed capability, the Century 1.0 HP Square Flange 56Y Dual Speed Full Rate Motor - B2982 is a compatible 1.65 THP Dual Speed replacement motor.

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