Maybe the attachment will help.
9 - 1949
9 - GMC
4 - 3/4 or 1 ton
3 - 137" wheelbase
4 - Pickup
The remaining digits are the sequence number

Oh, Congratulations on getting a cool old GMC truck.
Where are the pics? We all love old truck pics! cool Instructions how to do that are on the left bottom of this page.
Attachments
47-54 Canadian GM truck series.png (1.3 MB, 112 downloads)

Last edited by Frank50; 11/11/2019 7:50 PM.
Professional Novice