V = v8 [yes, woulda been a 283 in 58]
3E = 3/4T
58 = 1958
L = assembled in LosAngeles
112550 = the 12,550th made [sequence #'s start w/ 100001]
the only trans indication would be in the engine number, or in what's visible on the truck - the 4spd was standard and the floor pan for it has a hump [as does the automatic floor pan], the 3spd floor pan is flat - 3spd would have the shift box on the lower steering column, 4spd not
Bill