Willys MA and MB (standard & composite)
and Ford GPW composite bodies were made by American Central
Manufacturing (ACM). Ford had a own production for their early bodies.
did use the ACM bodies for their early and late bodies. The early ACM
bodies can be identified by the round depression for the tool locker latch, while the Ford GPW had a rectangular depression.
numbers are stamped on the left body gusset. The early body had a
triangular toe board gusset with the number stamped on the left side,
the gussets on the composite bodies had rounded corners with the number
stamped at the front .
Byuing m forla
you are able to calculate an approximate serialnumber. Impont is
ofcource that the body of your jeep is the original boby