| Truck, 1/4-Ton, 4x4 (Willys-Overland Model MB and Ford Model GPW). | ||
| Modification Work Orders | ||
| Name | Date | Description |
|---|---|---|
| MWO G503-W1 | Unknown | Surge tank. |
| MWO G503-W2 | Unknown | Provide lighting current for trailers. |
| MWO G503-W5 | Unknown | Extra 12 volts, generator assembly and power take-off and 2 extra 6-volt batteries. |
| MWO G503-W7 | Unknown | Conversion to 12-volt electrical system. |
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