OK, like the 'teens to WWII thread, this is for vintage bikes post-WWII to 1970's USA, British, German, Italian or other European manufacturers. If a moderator believes something in here belongs elsewhere, please make the placement, and inform me where I can find the thread, thanks.
An unusual bike, I think it's a Ford V8-60. A later build instead of a 1960's build, given the disc brakes, I believe. With that-much weight, I would want more-than a 5.10 90 series tire providing some rear suspension, as it appears to be a hardtail.