It is a riveted pulley, so I believe the sheave to be original. I pulled it out of a barn and cleaned it up some. Top loop pivots, sheave spins around. A really nice old pulley! No major flaws that I can find.Please ask any questions or concerns. The item "Old Antique Large SUPERIOR DRILL 80 Barn Hay Trolley Line Pulley Springfield OH" is in sale since Saturday, October 31, 2020. This item is in the category "Collectibles\Tools, Hardware & Locks\Tools\Pulleys, Block & Tackle". The seller is "familyfarmny" and is located in Endicott, New York. This item can be shipped to United States.