I've ben working in a scrap yard for 2 plus years had my eye on a truck in the back after 2 plus years I had the boss's kid to sell it to me. Got it home on a wrecker and ran the serial number FC 283 381 ran these numbers and came up with correct me if I am wrong it will not be the first time that I was wrong F=1947
C=conventional 28=280 series=1.25 Ton.
3= 137" wheel base and 381 is number is off the assembly line? Any Help on this will be GREATLY Apprciated. T MIX
P.S- Could not find any numbers on frame rail there was only a metal tag on the dash rivetted on.