> I put on 40 pounds of muscle one year alone by eating until I couldn't move, and then lifting as heavy as I could. I got up to doing a 400 pound deadlift, 225 pound squat, 195 pound bench press and I was doing pull-ups with an additional 90 pounds of weight added to a chain around my waist.
None of those are machines. Those are likely all free-weights. I only say "likely" for the bench press, as it could be a machine, but is unlikely. People that do squats and deadlifts tend not to do their bench press on a machine.
Can I recommend you also fix some gymnastic rings to your garage ceiling (or a branch of a tree outdoors, if the ceiling is too low)? They are cheap, and provide incredible challenging (and fun!) workouts.
Even basic things like push ups become challenging again on the rings. And you'll be so proud when you work up to your first muscle up.
There.