If the parts that we can see are original: based on the hood side-emblems, and the side windows, and left-cowl air scoop, the truck would could be from 1947 through mid-1949 (the hood side-emblem changed in mid 1949).

I do not see a gas tank filler on the passenger side, indicating pre-1949.

The bright window trim might indicate a deluxe option, but it does not have a chrome grill?

If the following parts are original, they might help to ID the year: direction of interior door handles, transmission, composition of the front hood-emblem, and pinstripe color (however, if looks like a non-standard paint job based on the cab "belt" color(special order or re-paint)).