I don't think they are different sized. Anyway... Look at the right hand side of the deck. See something missing? Yep there is part of the deck missingDifferent size wheels on front and back?
Yep starting it w/o a pull cord might be a problemHow do you start it or check the oil?
I wouldn't want that mower if it was free.
I wouldn't go that farI'd take it if it was free and nearby. But yeah... I'm gonna pass on the deal.