Baldor Electric Motors is no longer manufacturing this motor, possible replacement is the following Baldor Electric Motors part#
EJMM3218T-5
*** This motor has been replaced yy model # EJMM3218T-5 ***
JMM3218T-5, 5 Hp, 1800 Rpm, 184JM FR, 575 Vac, 3 PH ODP, Foot Mounted, Close-Coupled Pump Motor