Oddball ID number

[Rod]

Ok this state code thing got me looking and I found more info on that.

Not only does Pennsylvania have a state code option of K= Z55 but also T = Z74.

It's in that space in the middle of the vin up to 1970. In 1971 it becomes a prefix code...so you could have a vin start KKMS141******or TKMS141****** It can appear that way in GMC and Chev vins from what I read today.

Not to be confused with the 72 GMC vins that start with a prefix of T to identify GMC. So I would assume you could have a 72 GMC vin of TTKE242F123456 this example being a 1972 GMC 3/4 ton 4x4 box type truck made in Flint with Pennsylvania state certification.
Another find was that in 1970 they could have used a Z for 1970 GMC vins..that I have listed before...but a book I read today said it was used in 1/2 tons . It said 3/4 and 1 tons used an A not a Z.

Maybe this will interest Roger0080 at least if no one else. lol
You mention earlier that there is an rpo for the 2 ton..is that the T=Z74 if so them my T version in a 3/4 ton is wrong and should have been
KTKE242F123456 which it could be.