Farm tractors are used for plowing, tilling, harrowing, planting, and a variety of related tasks. They are also used to push and pull agricultural machines and trailers. There are many manufacturers and tractor models available, making it possible to find a tractor for nearly any application. A basic farm tractor features large driving wheels positioned on an axle under and behind a solitary seat. This seat is centered along with the steering wheel, and the engine is positioned in front of the seat. Two steerable wheels are positioned beneath the compartment that holds the engine. Often, the cab of the tractor is enclosed to provide for the operator's safety and comfort. Today's farm tractors typically use diesel engines, offering a wide range of choices in terms of horsepower. Two-wheel drive and four-wheel drive models are available. There are also models that offer two-wheel drive with front-wheel assist. Often, four-wheel drive tractors also feature articulated steering. Typically, farm tractors feature manual transmissions. Modern farm tractors feature rollover protection systems (ROPS). Such a system serves to help to prevent the tractor from crushing the driver if it rolls over. In the past, tractors did not have such built-in protection and many farmers died from being crushed during rollovers. Since buying a farm tractor constitutes a major purchase, many individuals try to find them in used, but good, condition. Often, they can be found in online auctions. New farm tractors, priced competitively, may be found at online auctions as well. Some auction sellers even offer financing for pricier equipment.
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