1.7 Changeover dates

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1.7 Changeover dates

Many of the dates listed for manufacturing changes in this document are intentionally vague. Unlike other vehicles, such as the Model “A” for which restoration standards have been produced, the GPW was produced during the wartime period of chronic materials shortages. GPWs were produced at 6* different plants during WWII and change orders were rarely synchronized between manufacturing facilities. The result is that in many cases, specific changes were accomplished only when existing stocks of component parts were exhausted. Varying supply channels for components resulted in vehicles rolling off the assembly line with components of one subcontractor followed by the next vehicle using parts from another supplier.

With the preceeding warning in mind, it is possible to use the changeover dates provided here when judging vehicles. By allowing a window of one or two months for changes to be accomplished, the judging process accounts for these variations. When a component differs from specified dates by more than 2 months, the owner should be asked to show evidence that the part is correct.

* Rouge, Lousiville, Dallas, Edgewater, Richmond Cal., Chester, PA.