18" 7 blade fan with 2 1/2" spacer 

AUBURN CHRYSLER CORD DESOTO DODGE HUDSON HUPMOBILE LINCOLN NASH PACKARD PLYMOUTH STUDEBAKER TERRAPLANE WILLYS CADILLAC CHEVROLET OLDSMOBILE BUICK PONTIAC GMC LAFAYETTE PIERCE ARROW FORD MERCURY  

AUTOCAR BROCKWAY DIAMOND T DODGE FORD INDIANA MACK OSHKOSH REO STERLING STUDEBAKER WHITE TERRAPLANE WHITE KENWORTH VOLVO PETERBUILT GMC INTERNATIONAL UTILTIY FRUEHAUFF MONON GREAT DANE WABASH CASE HARVESTER