Why so many gears on a tractor trailer?

Question:


Answers:

Which trucking company should I drive for?

The loads in most cases are extremely heavy and they require very low gearing to get them going. The gearing is also designed to help with long down-hill runs so the driver can save his brakes. They are actually a very critical part of operating a tractor-trailer.

Does putting your car into neutral any chace you get save gas?

it depends on the transmition usely 9 or 18

21% of Belgian had s** while driving; British who drive slow but only have left arm free; what impact?

there is too much weight for the engine to move from stop in, say, 5 gears, they need the huge reduction, just like a bike for fat people

since diesel fuel is a lot easier and cheaper to make, why is it more expensive then gasoline?

10, 13, 26. Most 13.

is there anyone who will rent a car to a 81 year old?

for differents loads and terrain

Engine chrome; best/easiest way to care for? Is there any way to reshine the exhaust pipes?

An engine hits it's peak power in a certain RPM range, and a large number of gears help keep it there.

i need a car for about 3 months. it's too long to rent and too short to lease. what can i do?

more for distribution of power and also for torque, up to speed faster and for slowing down easier

Is the U.S. Interstste System Good or Bad?

To most efficiently match the engine speed to the wheel's/road speed and manage the huge loads and power involved.

Red colour reflect to what in reality?

torque.......
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