With the continuous improvement of vehicle technology and the continuous development of tourism in recent years, the share of RVs in the domestic market has been increasing. Among them, the trailer caravan is favored by more and more travel enthusiasts by virtue of the flexibility of matching and towing with passenger cars.

Trailer caravan is called "travel trailer", which is a kind of light trailer. Early years, with a C1 license can drive, but because of its special construction, there was a lot of controversy, until the introduction of the new driving test, clear driving light trailer need to hold a C6 license, of course, there is a premise, that is, the front car plus the total mass of the trailer caravan must be less than 4,500kg, if it does not meet the standard, you can only use the A2 license to drive.

Trailer caravan from the classification, can be divided into the United States, Europe and domestic three categories:

1、American caravan

The general model is tall, the chassis is high, the height from the ground is also relatively large, the vehicle through the sex is good. The interior is generally equipped with bedrooms, kitchens, bathrooms, living rooms and other functional areas, both sides with outward sliding expansion cabin, more space for activities, home appliances and equipment, such as air conditioning, television, microwave ovens, water heaters, audio-visual entertainment systems, etc., generally have, give a person the feeling of high-end atmosphere, and comfort is also relatively high.

The length of U.S. caravan is generally in 8m, 9m or so, individual can be more than 12m, the volume is large, of course, its own weight is also relatively large, the need for stronger power tractor, fuel consumption is also relatively large, in some limited road, the passability may be limited.

2、European caravan

The design concept of the European caravan is different from the American system, more inclined to lightweight, low fuel consumption, easy and free concept, the length of most of them is not more than 8.5 m. The internal layout of the European caravan is more refreshing, the pursuit of sophistication and refinement, pay attention to the details and color, the furniture is mainly made of multilayer composite boards with stickers, which gives people a feeling of showmanship and a strong sense of modern technology and is suitable for young people to use.

European caravan chassis is low, the body is lightweight, suitable for more types of tractor, generally more than 1.6L sedan or SUV can be competent. Of course, the low chassis encountered potholes on the road, may be affected by the passability, in addition to the size of the space than the U.S. Department of motorhomes are slightly weaker.

3、Domestic caravan

Domestic caravan is designed for the use of national habits, the biggest feature is cheap, cost-effective, easy to replace parts, maintenance is also relatively convenient.

Domestic caravan started late, but the necessary equipment and facilities are still complete, some details or technology, or not as mature as imported caravans.

In addition to the above three categories, according to the different appearance and function, the trailer caravan can also be divided into trailer type A caravan, trailer type B caravan, trailer type C caravan, trailer type D caravan and mobile villa type caravan.

1、Type A Caravan

The length of the caravan is usually around 6-10m, and it can take 6 people. It is connected to SUV or car through connectors and hooks, and the car is fully equipped with comfortable equipment for sleeping, showering, cooking, and dining. Most of the trailer caravans have a space expansion design, and the two sides of the caravan will be expanded outward to increase the dining, sleeping, and kitchen areas.

2、B-type caravan

General length between 7-13m, can take about 8 people, its tractor is generally a pickup truck, and has a staggered living space, suitable for weekend getaways, family trips or year-round travel.

3、C-type caravan

Length is generally between 4-6m, can take 6 people, characterized by cheap, light weight, easy to use, many specifications and models, more suitable for first-time buyers to choose, part of the model can be extended to both sides of the space to increase the sleeping area and the use of space, suitable for families with children to buy.

4、D-type caravan

With other trailers constructed differently, belongs to the backpack type caravan, pack in the pickup truck or after modification of the car slot, the car length of about 5.5-6.5m, can take about 4 people, the construction is more compact, simple and economical, if the occasions of camping on the road conditions are not good, this caravan is more advantageous.

5、Mobile villa type caravan

Its length is generally between 6-12m, suitable for long vacation travel enthusiasts use, generally need to use special or heavy flatbed trailer transportation to the campground. This kind of caravan has large space, complete facilities, comfort and convenience, and is as convenient and free to use as home. Only this kind of mobile villa type RV is generally not equipped with a power source, once docked, it must be connected to the public power system to supplement the power, not suitable for frequent conversion of the camping site owners to use.

With the rise of trailer-type RVs, the market demand for related vehicle accessories is also increasing, such as axles.

Caravan rear axle is generally smaller tonnage, due to its specification parameters are not uniform, the owner in the choice, try to find those with independent design and production capacity of the brand, so as to ensure that the axle can be a perfect match for the use of the caravan's needs, but also to provide a reliable quality assurance, to reduce the use of the many problems in the follow-up.