Baldor Electric Motors is no longer manufacturing this motor, possible replacement is the following Baldor Electric Motors part#
EM2568T-4
**** This motor has been replaced by model # EM2568T-4 ****
M2568T-4, 300 Hp, 3600 Rpm, 445TS FR, 460 Vac, 3 PH, ODP, Foot Mounted, General Purpose Motor