Early old tractors featured heavy steel wheels fitted with iron lugs rather than inflatable rubber tires. Designed to bite into soft topsoil, these hard wheels provided essential traction during field plowing and harrowing. While they provided poor ride comfort on hard roads, steel-wheeled tractors proved incredibly durable and capable of working rugged fields without punctures or tir... https://www.blogbangboom.com/articles/discover-how-to-choose-best-tractor-for-farming