a 45 should be a 21MS37xxxx to 21ms48xxxx if they made it to december

i have a 44 1.5 with a serl# of 21MS28xxxx

if it has plastic window cranks, leather around gas filler and no chrome/stainless it would be a war production truck or start of civilan production using left over parts.

21 janesvill wi
OS 46 interim 160" wb
05 month of may
4166 number of build starting with 1001