This 3.0HP Horse Power 10.0/3.5 Amp (2) Speed 56 Frame Complete Pump is a Watkins Vendor Code 3536 Intertek LX Brand Pump. These pumps usually have the part number 39577-03 on the label.It is about 7 1/4"" across the face of the pump, it measures about 7 3/8" from the bottom to the top of the pressure side of the volute, it also measures 15" from the back to front edge. The Suction and Pressure side thread fittings are called 2" x 2" but measure 3" from the edge of the thread to the edge of the thread.
NOTE: This Pump looks a lot like an Aqua-Flo and a CMP Pump and they will interchange if you replace the entire pump!