Electric cooling water pumps added to engines they are about 19" long
x 10" high x 10" wide.
Star Electric Motor Co.
Buships Plan: SS-S4805-544001
Mfr. Plan: 37795
Mfr. ID: Type BS
HP Rating: 1/3, 250 VDC
Speed: 1750
Instruction Book: NAVSHIP 8310054
