This item is a 48 Frame Vico Wet End with 2" x 2" inlet and outlet that would measure about 3" across the threads and it has a 4.0HP impeller which would fit a motor that has 12.0-14.0 amps at 230V and there are no 115V motors this fits..

Pump to Motor Foot Types    1a
Motor Frame    48 Frame Thru-Bolt
Drain Plug Location    6 o`clock
Suction Auxillary Port    3/8" barb (b) 1ea.
Suction Style    Center
Suction Connection (Physical Dimension)    3-1/16"od
Suction Connection Type    Male Buttress Thread (mbt)
Suction Pipe Size    2"
Discharge Auxilary Port    3/8" barb (b) 1ea.
Discharge Style    Side
Discharge Connection (Physical Dimension)    3-1/16"od
Discharge Connection Type    Male Buttress Thread (mbt)
Discharge Pipe Size    2"
Horsepower    4.0hp
Manufacturer    Vico
Pump Model    Ultima
Volute Fastening Type    4 Bolts