Bourgault 5710 air seeder parts for sale. Parting out a complete 5710 54' seeder. It has 20+ next to new 4.5" steel packers on it and all other parts as of now. I also have some 3.5" well used but ok shape steel packer wheels as well. The 3.5 and 4.5 will both fit the 10" gangs.