8 interesting secrets about tractor cars that you don't know yet

These massive bulky machines work nonstop as a lifeline to the US economy. Behind each tractor is very interesting statistics.

Secrets of tractors

Tractors, semi-trucks , considered "giants" on the road, appear with many different images. But there is no denying that the tractors have boosted economic development in the United States.

Source

About 5.6 million straw trucks are allowed to operate in the US, three times more than the number of tractors.Those straws themselves led to the name of a tractor truck, because it did not have a front wheel and could only be used when connected to a truck.

The maximum weight that a tractor truck in the United States can carry is 36 tons.

Car driver

One-third of the 1,900,000 cars and trucks towed in the US registered in California, Florida and Texas. There are 3.2 million truck drivers in the US, but about 90% of truck companies have no more than 6 trucks.

Cargo

On average, the top cars pulled about 225 billion kilometers a year in the United States. 68% of goods in the US are transported by tractors. Most of those goods are agricultural goods and construction materials.

Distance

Tractors accounted for 15% of the number of commercial trucks in the United States. The distance they travel accounts for 42% of the total distance the trucks pass.

On average, the top cars pulled about 225 billion kilometers a year in the United States.

Fuel consumption

In 1973, tractors were estimated to require 1 liter of diesel to travel 2.4 km, the current number is 1L for 2.7 km. Depending on the fuel economy, fuel consumption varies from 70.6L / 100km to 535.5L / 100km.

Weight

The maximum weight that a tractor truck in the United States can carry is 36 tons. However, in Australia, tractors can tow 4 trailers with a total weight of 136 tons.

The best-selling automaker

The brand of best-selling tractor truck is Freightliner . The number of cars sold accounts for about one-third of the 190,000 tractors sold each year. Freightliner is owned by Daimler Trucks in North America.

The brand of tractors was favored second and third, respectively Navistar International and Paccar.

The brand of best-selling tractor truck is Freightliner.

Anti-lock braking system

The anti-lock braking system has been required to be fitted with a tow truck since 1997, making the wheel of the vehicle always turning and clinging when braking, against the wheel slipping on the road surface, significantly reducing number of accidents.