Orchard version of Model B.
Unstyled, standard tread, steel wheels.
Orchard version of Model A.
Unstyled, rubber tires.
Serial numbers are interspersed with AI and AR numbers.
S/n 250075 was the 1st AO, built May 22, 1935.
S/n 253482 was the last AO, built on October 5, 1936.
WheelsAge.org '2005–atual