Few questions about Mechanic

I've been curious about Mechanic's for quite a while now, just a few questions i'm curious above how much hp they have around 120, if im gonna need to hp wash to bigfoot or anego chaos zak ect i havent seen no videos of anyone bfing on a mech but if anyone could find one i think it would be interesting if they can keep a pin yet alone survive thanks and any other information you may find useful