Why Bigger Tractors Require Bigger Tires?

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Tractors are known to be large and powerful motor vehicles with large wheels that are used for hauling equipment and trailers. These versatile machines can also be utilized for a wide range of applications and tasks. Due to their growing demand in the business industry especially for the farming sectors, tractor manufacturers decided to create larger and heavier models of the vehicle to make them even more capable and productive. Aside from the size, tractors of today possess greater horsepower for increased speed and efficiency. These changes resulted in a set of challenges on the part of several tire-producing companies, as it opted them to design tractor tires to suit the latest models of tractors.

But the question still remains. Why do bigger tractors need a set of bigger tires to work? As we all know, tractors have four wheels: a pair of small tires at the front and another pair of larger ones at the back. What are the reasons behind this design?

A Brief History of Tractors

Before we answer the main question, let us first talk about how tractors were invented. Tractors were first introduced in the 19th century, the era where steam engines on wheels are highly useful in transporting mechanical farm machinery through a flexible belt. Portable versions of steam engines were finally used for agricultural purposes thanks to Richard Trevithick in 1812. This engine became known as the Barn engine, which was widely used for driving corn threshing machines. Several innovations and breakthroughs were made from the idea of the Barn engine until Charles W. Hart and Charles H. Parr successfully created the first tractor in America using a two-cylinder gasoline engine on 1903. The tractor weighs a whopping 14,000 lbs. (7 tons!) and is now on held on display at the Smithsonian National Museum of American History in Washington, DC.

Bigger Tractors Need Bigger Tires Because….

The following are the reasons why bigger tractors have bigger tires:

  • To prevent the tractor from sinking in the soil – Tractors are mostly designed to pass on muddy terrains like farms. If you’ve been on a farm before, there is a good chance that you understand how hard it is to maneuver a car, let alone a tractor through its wide fields. But with larger tires, the vehicle can have better grip pads that can bite harder on the ground.
  • To provide a better distribution of weight – Larger tires also have a wider surface area that can help to balance out the weight of the tractor. This feature can be pretty handy in avoiding the tractor from slipping once it passes through uneven terrains. The larger rear wheels of the tractor mean that it can pull more weight without the front of the vehicle rising up. It is also worth mentioning that the heavy tractor engine is often located at the front of the tractor, so the bigger tires at the back counter the weight of the engine at the front.
  • To conserve the soil – Aside from carrying equipment, tractors in some cases are also used for preparing the ground before the sowing of the seeds. The large surface area of the bigger tires combined the distributed weight of the tractors makes a good way to even out the soil a little bit.
  • To improve the driver’s vision – Driving a large vehicle like a tractor can be quite difficult especially if the driver’s visual field is limited. Fortunately, bigger tires elevate the body of the tractor together with the driver’s seat so that there’s good visibility on the nose of the tractor as well as the corners of the field it ploughs.

The Nokian Tractor King has been designed with these criteria in mind. These tractors as we know are designed to experience heavy use. Thus you need to combine it with tractor tires that can handle it. Earthmoving tires and forestry tires have always had to be designed for withstanding very harsh conditions and delivering low maintenance tires that can get the job done.

Nokian Tyres identified a gap in the marketplace, where there was a need for a really strong tire for earthmoving, forestry and road construction, where the tractors used are bigger and you still need good traction. With these tires, you can drive on roads with low heat buildup, while still having good traction for those heavy tasks off the road. This can drastically improve the productive while doing certain jobs and especially between the jobs when you need to get from one job site to another.

Producing a tire that can handle the heavy wear and good grip combined with the high speeds, led them to create a new unique tire with very different looking tread design. The new tread design and aramid reinforced sidewalls make this a beast of a tire for these applications. The reinforced shoulders give these tires a rugged look that signifies that it is a really strong tire that can withstand rocks as well as heavy loads by pulling trailers even through harsh conditions where you will rely on the grip and the cut and crack resistance of the rubber compound.

Sophisticated machines used in various working tasks to include heavy use, tough conditions and high speeds even at a long distance both on and off the road. Low mileage and tires are cracking from the heavy load with even contact pressure due to more rubber in contact with the surface. This will give you a good grip combined with stability and control. It also has more tractive edges in the pattern to create a good grip and it actually has 50% more edges than a traditional lug pattern. They have also made them puncture resistance all over the tire. With low heat generation that means it can handle high speeds.

The high speeds allow these tractors to drive fast even at speeds up to 65 km/h between tasks on normal roads without excessive wear. This increases productivity and ensures that you get improved profitability from the performed tasks. Combined with the durability and the low wear despite allowing long drives both on and off the road, makes this a very durable tractor tire for the heavy tasks in a multitude of areas. These tires are built to last.

 

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