Well, that's your call.
Too many missing bits for me, from what I can see in the ad. Axles, wheels, height adjuster and who knows what underneath!
As far as donor machines go - the Big Bobs seem to be easier to pick up, at least down this way.
The decks are prone to rusting out near the engine mounting circle, as that area was hard to clean, even if hosed out after every cut. Which very few do, nowadays.