Towing capacity concerning frame strength

[72kool]

Long story short I've been looking for a new tow vehicle and have had no luck with today's market.
My truck is a 1972 c20 that's stripped currently. I need a 4x4 that's capable of towing 10k lbs. Assuming I have the proper brakes, axles, suspension etc, can this frame handle towing 10k lbs? It's hard to get a sure answer on the threads I've read. Alot are talking about the factory suspension and brakes but no mention of the frame. Any help would be appreciated