Examines the use of tractors in agriculture, discussing the development and operation of tractors through the years, and how the machine has changed farming.
A farmer uses his tractor to prepare the soil, plant seeds, harvest corn, and haul it away to be sold. Depicts the machinery which the tractor pulls: the manure spreader, the plow, the disc, the harrow, the planter, the picker, and the cultivator.
When a big new yellow tractor arrives, Otis the friendly little tractor is cast away behind the barn, but when trouble occurs Otis is the only one who can help.