Found them stamped in the side of the rail forward from the steering box
52-10527

Hi All Yes the canadien one is on the rollback, and i will check the top of the frame for numbers.But there is nothing but smooth metal under the paint on the side of the frame rail where the numbers were on the US one. No signs of any tampering where the numbers were. If they were eliminated it was...

Here are a few pics,i thought i had added the US one to the registry but couldn't find it again It looks like some more investigation to try and find the origins of the Canadien one

Hi All I bought a couple M37's with a partner this summer One is an X US Army truck as it has hood numbers,unfortunately the glove box door is gone. I was able to pull the serial number from the frame and add it to the registry. I picked up the other one which is a Canadien Army truck, when i cleane...