As I recall,761 had all metal dies and a lower/less elevated base--762 had the same lower base but utilized some plastic dies. 8567 has plastic dies and a higher base. Hope this helps--you can also check the mec website which shows pics/schematics of both styles. Regards Bob
The base on the 761 was also longer than the current one but the width of the flanges of the two bases are the same. I think the two had different grips on the operating handle, the 761 used plastic, the current model is wood.
My early production 8567 had metal dies, and the crimp starter was the metal die with the brass insert for 6 or 8 fold hulls. I actually replaced it with the black plastic crimp starter that did a great job. My buddy has that press now and I am using a 761 that works just fine. One day I'll have to set them side by side, but from here I do not remember much difference. I cannot verify the handles, as both have been replaced with a 6 inch longer pipe with a thick foam grip that I like for leverage. They are both good, long lasting presses.