For sale is a Racine Hydraulics Racine Model PVQ PNSO 06ER 20 Hydraulic Circulator Pump, Serial No.013706. Labeled for use with 200 - 250 SSU hydraulic fluid (at 100 degrees Fahrenheit). 3/4" Diameter power input shaft with key-way. 7" Distance (center- to-center) of mounting bolt holes in pump base. Comes with pump- mounted half of a 2-1/8" diameter Love-Joy type coupling.