Farm Tractors can be commonly categorised by a number of wheels or axles, with main categories of 2-wheel tractors (single-axle tractors) and 4-wheel tractors (two-axle tractors).
Among 4-wheel tractors, most are two-wheel drive (usually at the rear) but many are 2-wheel drive with front-wheel assist, four-wheel drive tractor fitted with articulated steering, or track tractors fitted with steel or rubber tracks.
The farm tractor is used for pushing or pulling farming machinery or trailers, for ploughing, harrowing, planting, tilling, disking, and similar tasks.
A farm tractor used to power a pump for watering a plot of ground. A different variety of speciality farm tractors have been designed for special uses.
Row crop tractors with flexible tread width to enable the tractor to pass down rows of corn, tomatoes or other crops without damaging the plants.
Standard tractors with fixed wheels and a lower centre of gravity for farming and other heavy fieldwork for broadcast crops.
Utility tractors typically smaller tractors with a low centre of gravity and short turning radius, used for landscape maintenance, non-farm grading and mining purposes, especially with loaders, pallet forks, backhoes, and similar devices.