Why do North American trucks look larger, but Chinese-made are relatively small? The main difference is the design concept. Compared with the specific national conditions, the domestic trucks are based on the design of Ouka. In Europe, the usual standard for trucks（sinotruk howo 371 engine） with semi-trailers is a maximum length of 18.75 meters (there are some exceptions in some countries). To maximize the length of the container, the tractor head must be as short as possible, the best way to shorten the tractor head is to install the cockpit on the engine.
Similar requirements in the United States were withdrawn as early as 1986. The entire body can now be longer, only the length of the container is limited, and the length of the front of the car is not limited, so the front of the car is designed to be more conducive to the driver's rest.
Another reason is speed, European trucks are limited to 90km/h, but in some parts of the US, trucks can go up to 129km/h or even 137km/h thanks to better aero features and a longer wheelbase. Finally, the roads in the US and Europe are also very different, the US cities have wide streets and the interstates are very straight and wide, but the European roads are much narrower and more winding country roads, and trucks have to deal with the narrow streets and narrow parking spaces.
One of the differences between European and American trucking is that the owner/operator is common in the US and not so much in Europe. These operators in the U.S. have trucks that have a longer wheelbase, more interior space, a lower cockpit, and it's easier to get in and out of the truck. These factors make the truck comfortable and the driver can be in a truck like this. Living for several months in a row, but this phenomenon is not common in Europe. The European Union does not encourage long breaks in trucks. It stipulates that after working for 6 consecutive days, you should have 45 hours of weekly rest. The standard of 45 hours of weekly rest is free to access to shower and Toilet means that there is a local device anytime, anywhere, and you can freely want to take a bath and go to the toilet, only to meet the standard of rest. All in all the Okas are lighter than the Meca and have a shorter wheelbase, which makes them easy to maneuver. Essentially, they are more compact and easier to use in complex urban and rural environments, so Oka's design is more suitable for China's national conditions.
Advantages and disadvantages of European and American trucks
Advantages of Oka: short and compact, flexible operation, small turning radius, high cockpit, wide field of vision, allowing drivers to perceive danger and judge road conditions more calmly.
Oka Disadvantages: The hydraulic cylinder must be used to push the cockpit forward at a 90-degree angle during maintenance, so the items in the cockpit must be taken out, otherwise it will roll over, so it is not suitable for toilets and showers; another disadvantage is that it is ugly, no Mika is so domineering
The advantages of Meka: the speed can be faster, the driving is stable, it is not easy to roll over, and the maintenance is convenient. It can be repaired by directly opening the hood like a car, so the layout of the driver's restroom can be more perfect; when the Meka is in a car accident, The protection of the driver is safer because there is a buffered distance in front of the cockpit.
Disadvantages of the US card: heavyweight, you can refer to the "Oka advantages", this is the lack of the US card.
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