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Bus Parts

9/6/2013 3:16:18 PM | by The Green Book

Bus Parts

Buses are vehicles that are designed to carry passengers in higher quantities than a vehicle like a car and their bus parts to help them accomplish this. Buses can carry numbers ranging from about 10 passengers to nearly 300. In the past, buses were drawn by horses, before being replaced by steam buses and then electronic trolleybuses. After that, buses were powered by internal combustion engines and up till today it is still widely used in buses. The early buses were just bus bodies connected to a truck chassis. Although there are many different kinds of buses such as minibuses, coaches and double-decker buses, buses always have parts such as the chassis and the body.


The chassis is the under-frame of the bus and also contains other parts that make the bus work such as the engine, radiator, suspension, wheels, gearbox, dashboard and steering wheel. The engine can be placed at the front, rear or middle but the radiator is always placed at the front so the cooling is more efficient.


The body of the bus is then built onto the chassis. The design of the body depends on the use of the bus. Usually, things like seats, lights, doors and staircases if it is a double-decker bus have to be taken into consideration. The different designs of the bus must cater to the use of that bus. Transit buses usually have two doors and basic fittings so that large numbers of people can efficiently board and exit the bus. Other features such as the bell that signals when the driver should stop and the card reader also have to be included. In places with a lot of passengers, double-decker buses or bi-articulated (‘bendy’) buses might be used, which also creates the need for more bus parts to be produced. Coaches are meant for longer trips and thus focus more on comfort. Thus, there is usually just one door, but the seats can recline and there is usually a toilet and a kind of entertainment system. A lot of space on coaches is dedicated to luggage space. Other buses such as specialty tour buses might have sleeping bunks and various ‘rooms’ or even a kitchen.


Over the years, the bus parts have also changed with the designs of the bus. Nowadays, most buses are low-floored and contain a wheelchair lift that is hydraulically or electrically operated to cater to the elderly or disabled. Buses nowadays might also contain more railings that make standing easier.


Buses might also contain liveries, such as how transit buses have numbers or colors that distinguish the routes that they take, or have words that mark it as a premium bus or shuttle bus. Advertisements are also stuck on the body of the bus so the bus functions as a moving billboard.


Other buses might need special bus parts, such as how school buses in America and many other countries are required to have seatbelts, crossing guards and a sign that distinguishes itself as a school bus. In America and Canada, the school buses have a specific design, which is the yellow bus with the front engine, even though the modern low-floor design, which has its engine at the rear, is used by most buses nowadays.


Buses might also be used to promote something or be a kind of moving museum or clinic. For example, a company might hire a bus and outfit it to showcase their product before driving it to busy streets or large public events. A bus outfitted like a dental clinic could drive around schools that do not have their own clinic. Additional bus parts will be needed in these vehicles to ensure that nothing will be damaged when the vehicle is in motion and that it has the proper facilities.

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