The Power Wagon began during World War II as Dodge's tough 4x4, but really began after the war as a civilian version. The Power Wagon went from 1946 to 1968, when it ended, without any styling changes.
| 1949 | The Power Wagon changed to a heavy-duty, four speed transmissions, as used on 1-1/2 ton trucks. |
| 1950 | Fan blade was upgraded from a 4 blade fan to a 6 blade. |
| 1951 | Rubber Insulators were added to mount the cab. The instrument panel was upgraded to that in the Conventional trucks. New spark plug covers were added. |
| 1952 | B-3-D carburetor and sandwich became standard. |
| 1953 | Compression ratio went up from 6.7:1 to 7.0:1. |
| 1954 | More Power by increasing compression to 7.25:1, re-designing the manifold, and a new cam. |
| 1956 | Change over to a 12 volt system. |
| 1957 | A vacuum brake booster became available. |
| 1961 | 230ci L-6 replaced by 251ci L-6. |
| 1962 | Lock out front wheel hubs became available. |
| 1963 | 1,150 lb front springs were
replaced by 1,600 lb springs. 2,500 lb rear springs were replaced by 3,000 lb springs. |
| 1968 | Cancellation |