Baldor Electric Motors is no longer manufacturing this motor, possible replacement is the following Baldor Electric Motors part#
EJPM2538T
** This motor has been replaced by model # EJPM2538T **
JPM2539T, 40 Hp,1800 Rpm, 324JP FR, 230/460 Vac, 3 PH, ODP, Foot Mounted, Close-Coupled Pump Motor