The tractors are special self-propelled vehicles that are used to push or drag trailers, implements or any other machinery or heavy load that you need to use in your field or garden. Some are intended for agriculture, others for construction and also for the maintenance of green spaces. They have a great capacity to adhere to the ground and with their use the labor used in agricultural work has been reduced as well as the mechanization of loading tasks that formerly required the effort of animals such as oxen, donkeys or mules. . In Green Ecologist, we explain what is the operation of tractors.
How a tractor works
Tractors are divided into several parts:
- Chassis: is the part of the vehicle that holds the mechanical components, the wheel suspension and the powertrain.
- Motor: It is the part of the machine thanks to which it is put into operation.
- Transmission: It includes the gearbox, the clutch, the differential, the wheels, the bearings or the power take-offs.
- Pulley: It is a simple machine that serves to give power to the tractor.
- Direction: thanks to which you can direct the vehicle to one place or another.
- Brakes: An essential part to be able to stop the tractor when you consider it necessary.
The farm tractors They have one or more systems to be able to use implements, although the usual one is at the back and has three arms where a plow, a forage harvester, a mower, a fertilizer spreader or any other agricultural machine can be attached. To drive some tools, they usually have a power take-off consisting of a shaft that is driven by the vehicle's engine through a gear transmission.
Today all tractors are equipped with a hydraulic parallel system with the elevator to be able to supply a flow of oil to the implements. The first to appear were steam tractors and they were used in pairs in 1890 to plow back and forth using a cable between them.
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