If the tires are laying down you can not lift them by hand. You will need equipment to stand them up.
If they are standing up you CAN do it.
"Plan your work and work your plan."
On Tuesday I put these rims and tires back on my tractor alone.
It had been sitting on stands for over a year.
13.6x38 - rims, tires, centers. They are loaded with CaCl. Probably about 800 lbs per tire.
I leaned them against the garage door frame with the loader tractor. Then I had to roll them about 25' back to where the tractor sits by hand.
Easy does it. No mistakes. Have an escape plan. Don't scratch the pretty new paint either!
Before I rolled them back I hung a little chainfall from the rafters above the axles. It would not lift the tires but would keep them upright while I maneuvered the tire around and raised/lowered the axle with a floor jack to get a couple of lug nuts on.
I knew I could do it if I tried.
So I tried.