Here is a photo of the VIN plate on my 53 3600. No title, as I bought the truck for the frame. It all appears to be original. I read it as 5KRK-7136 which doesn't seem to follow John et al's VIN decode article.

VIN


Allen
Yeah, well, that's just like, you know , your opinion, man - The Dude

1948 Chevy 3600 - goal Original restoration, Current Stage 1 - Disassembly and getting body in primer
1954 GMC 3100 goal Hot Rod, Current Stage 1 - Get body in primer
1931 Ford Model A 5 window Coupe - Old Skool Hot Rod
1945 Ford 2N Tractor - Runs great
1964 Ford 2000 Tractor - Use it every week
1974 Stingray Corvette