| Tractor trailers are the backbone of the United States | | | | goods such as clothing, home goods and any other dry |
| commercial industry. If there are no tractor trailers on | | | | objects. A tanker, or tank truck, is used to transport |
| the road then manufacturing numbers and shipping | | | | fuel from a fuel source to gas stations, airports and |
| numbers have declined drastically. Tractor trailers | | | | refineries. These trucks are shaped like a massive |
| transport goods from point to point across the country. | | | | tank. They are long and round and sit on axles just like |
| They travel in the middle of the day, in the morning and | | | | regular tractor trailers. A flatbed tractor trailer is usually |
| in the middle of the night. Tractor trailers transport food, | | | | used to transport heavy construction equipment, large |
| clothing, fuel, construction materials and disaster relief | | | | boats such as yachts, sheds, RVs, motor homes and |
| supplies. They are vitally important to the commercial | | | | large piping or sewer equipment. |
| industry of the United States. | | | | One of the most recognizable and popular tractor |
| Tractor trailers have been ruling the roads for decades | | | | trailers on the roadways today is the car hauler. The |
| now and usually consist of three axles. The front axle | | | | car hauler is just that; a truck that hauls cars from an |
| has two wheels and the two rear axles each have | | | | airport to a car dealership. Usually the cars come from |
| two wheels, also known as 'dualies.' Tractor trailers | | | | an airport if they are manufactured overseas or they |
| come in all different shapes and colors. Colors range | | | | come from a large car hauling ship or even from car |
| from red to green to brown to black to white to purple | | | | hauling trains. Car hauling trucks consist of two |
| and even to pink. Drivers, if allowed by their company, | | | | different levels. Both levels are filled with all different |
| sometimes place their own decals and logos on the | | | | types of cars; from SUVs to compact cars to pickup |
| tractor part of the tractor trailer. | | | | trucks. |
| The various types of tractor trailers are box trucks, a | | | | There is a variety of tractor trailers used in the United |
| bus truck, a tanker, a reefer, dry bulk, car hauler, | | | | States from different manufacturers. Those |
| lowboy and a flatbed. Box trucks are used mostly to | | | | manufacturers are Volvo, American Coleman, Ford, |
| ship small loads of goods; usually produce from a farm | | | | Freightliner, Mack, Peterbilt, Sterling, Kenworth, |
| to a local supermarket or farm stand. A reefer, or a | | | | International and Western Star. Other manufacturers |
| refrigerator truck, is used by food manufacturing | | | | of tractor trailers used in other countries are DAF, |
| companies and supermarkets to transport perishable | | | | Mercedes-Benz, MAN, Renault, Iveco and Scania. A lot |
| goods. The truck is exactly what its name implies. It is | | | | of tractor trailers employ the use of two trailers. These |
| a refrigerator on wheels. These trucks are used to | | | | trucks are known as a double trailer combination. The |
| transport meat, dairy products and frozen goods. | | | | majority of companies that use this are the United |
| A dry bulk truck is used to transport non-perishable | | | | States Mail Department, FedEx, DHL and UPS. |