Baldor Electric Motors is no longer manufacturing this motor, possible replacement is the following Baldor Electric Motors part#
VPECP4115T
*** This motor has been replace by model # VPECP4115T***
VPCP4115T, 50 Hp, 1800 Rpm, 326VP FR, 230/460 Vac, 3 PH, TEFC, P-Base Vertical Solid Shaft Pump Motor,