You can go to New Holland Tractors or Messicks online and look up the 219 model. New Holland 219-SERIES - DISC HARROW(01/64 - 08/87) Parts is the link to the Messicks page. New Holland doesn't have many replacement parts as the disk was made for them by another company. There are aftermarket parts sources for a lot of that disc. Domries in Madera California can probably get you parts