Hank, after looking at the pix, what was the unit originally designed for?? the unit I'm looking at now is at least 30 years older and has a single V-belt drive, but your pix show a serpintine stlye belt which may be a bit more reliable.
'45 Ford PU 66 Valiant wagon, leaning tower of power. 79 Chevy C10 w/250 02 PT Cruiser Convertable