New Engine Distributor Gear for Farmall 140, 130, Super A, 100, Super C and Other Tractor Models Cotton seed hopper bottom is

Cotton seed hopper bottom is in good usable condition with no breaks or welds

Pulley insert  is 1-1/8" inch inside diameter and has 6 splines

Case IH connector part number 520129R1

220 Tractors

They could be from the original equipment manufacturer or any number of aftermarket suppliers such as Weise

New Engine Distributor Gear for Farmall 140, 130, Super A, 100, Super C and Other Tractor Models Cotton seed hopper bottom isNew Distributor Drive Gear for IH Farmall and International Tractors and Crawlers listed below: A, AV, B, BN, C, Cub, H, HV, I4, I6, I9, ID6, ID9, M, MD, MDV, MTA, MV, O4, O6, ODS6, OS4, OS6, Super A, Super C, Super H, Super HV, Super M, Super MD, Super MDV, Super MV, Super W4, Super W6, Super WD9, Super WDR9, T4, T5, T6, T9, TD14, TD14A, TD18, TD6, TD9, W4, W6, W6TA (Diesel), W6TA, W9, WD6, WD9, WDR9, WR9, WR9S, 100, 130, 140, 200, 230, 300, 350,