Baldor Electric Motors is no longer manufacturing this motor, possible replacement is the following Baldor Electric Motors part#
EM2571T-4
*** This motor has been replaced by model # EM2571T-4***
M25352T-4, 350 Hp, 3600 Rpm, 449TS FR, 230/460 Vac, 3 PH,ODP, Foot Mounted, General Purpose Motor