The results were impressive, and the modern tractor was born.
It had one front wheel, with solid rubber tyre, and two large rear wheels like a modern tractor.
In the cellar, beneath our feet, ranged drill presses and parts for modern tractors.
Among modern tractors, the high drive (elevated sprocket) design is unique to Caterpillar products.
This angle and depth can be controlled automatically by modern tractors.
A large modern tractor shed occupies the flat site of the former mansion house.
They attempt to introduce progress, bringing the villagers a modern tractor.
In modern tractors, this pedal is replaced with an electrical switch.
With internal combustion came the first modern tractors in the early 1900s, becoming more popular after the Fordson tractor (ca. 1917).
Customary way of ploughing also has been replaced by modern tractors which saves time and hard work.