TC45DA, TC40DA, Farmall Super A, New Idea spreader, Dolmar and Echo saws, Yanmar MIniEx, Ford 3550 backhoe, lots of junk
Put it at any height that is useful for you. Remember to leave at least 3x the diameter of the stovepipe as clearance to any combustible surface. (6" stovepipe needs 18" clearance to ceiling, for instance)