This is an original 1940 Ford 3 Blade Fan.
VINTAGE OEM FORD 3 BLADE ENGINE COOLING FAN NEW OLD STOCK FOMOCO
91A-8600 NOS Ford Fan Blade Assembly 1939 1940 1941 Flathead 6
1938 1939 1940 Packard Fan Blade ?
Nos 1952-1954 Ford Passenger Fan Blade EAA-8600-B 18.06” 3 Blade
OEM 8BA 8632-2, 8BA 1015 Ford Flathead V8 cooling fan w/narrow pulley 3 blade
1948-1953 Ford Radiator Cooling Fan 3 Blade F1 Pickup Flathead V8 Narrow Belt