Baldor Electric Motors is no longer manufacturing this motor, possible replacement is the following Baldor Electric Motors part#
EJPM3613T
*** This motor has been replaced by model # EJPM3613T ***
JPM3613T, 5 Hp, 3600 Rpm, 184JP FR, 3 PH, 208-230/460 Vac, TEFC, Foot Mounted, Close-Coupled Pump Motor