ford 4000

Thanks in advance for any help. I have attached a couple of pictures here showing the numbers we have found on our tractor but I am having trouble decoding them. Seems that we have too many numbers or not enough compared to some articles and pictures we have found. Any help is much appreciated.

Greetings from East Texas again! My journey with the 71 Ford 4000 continues. The brake rod seals were leaking and I was intimidated by the wet brakes, so I hired a highly recommended diesel mechanic to tackle the job. He was reluctant, but not reluctant enough. When I got it back, the leaks...