FACTS RELATED TO MACHINERY 1. Tractor was invented by : Benjamin Helt in 1892 2.Disel engine invented by : Rudolf Diesel in 1898 3. First power tiller intro in the world : Japan in 1920 4.Power tiller intro in India : 1963 316 views𝐊𝐢𝐬𝐚𝐧 𝐊𝐫𝐚𝐧𝐭𝐢 𝐈𝐆, 15:51