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The impact of forced installation of disc brakes on Cangzha trailers to the industry

Mar. 11, 2021

There are not only per-axle charges, but also three-axle fences, warehouse grid trailers with mandatory disc brakes, and airbag bridges. For the latter policy, the Equipment Industry Development Center of the Ministry of Industry and Information Technology has long issued the "Regarding the Implementation of GB 7258 -Notice on the rectification of standards such as 2017", the relevant policies are mentioned in the notice.

Mandatory upgrade of disc brake + airbag bridge

The relevant policies clearly stipulate:

The newly produced fence type and warehouse fence semi-trailers are equipped with disc brakes (disc brakes); the rear axles of dangerous goods transport trucks with a total mass greater than or equal to 12000kg, all dangerous goods transport semi-trailers, and three-axle fence type and warehouse fence semi-trailers The trailer should be equipped with an air suspension.

The policy clearly explains: the three-axle fence and warehouse grid trailers must be compulsorily equipped with disc brakes and airbag bridges. So what is the significant impact of this policy on the truck industry?

▎The cost of upgrading

If there are any major impact issues, we must talk about the cost of installing disc brakes + airbag bridges. The meaning from the manufacturer is: the ordinary upgrade of a trailer to a disc brake + airbag bridge actually costs at least 50,000 yuan.

How did the cost of 50,000 come from? What the manufacturer means is: the cost of air bridge is at least 20,000 + the cost of disc brakes is generally more than 10,000 + the cost of hydraulic retarder is more than 10,000 yuan (we will talk about why hydraulic retarder is later), and the cost of 50,000 is actually considered to be It's cheap.

When the disc brake is installed, it must be compatible for normal and efficient use. In the simplest terms, even though disc brakes have many advantages, the disadvantages cannot be ignored.

One of the disadvantages of disc brakes that cannot be ignored is that when water is sprayed, the performance will decrease, and even worse, it will cause the brake disc to chill and crack. To solve this problem, the common method in the industry is to install a hydraulic retarder. Therefore, it is normal that the cost of adding a disc brake + airbag bridge will increase by 50,000 yuan.

The impact of the upgrade on dealers and manufacturers

The upgrade has brought about the "snap-up" of drum brake trailers: From the perspective of the market, for dealers, from the perspective of some trailer markets, the current drum brake trailers can be said to be "snap-up" status, and many drum brakes The trailers are already sold out, and they are out of stock for a long time.

The upgrade may bring about a "mixed fish and dragon", and relevant policies must keep up

The trailer upgrade disc brake + airbag does have a significant increase in cost, and the price increase of the trailer after the upgrade is inevitable. Therefore, or because of the result of "mixed fish and dragon", after all, this has indeed been an example in the past.

Some manufacturers may "take advantage of the loopholes" and have the idea of refurbishing their trailers. I believe that senior card friends are no stranger to trailer refurbishment (to put it simply: before the certificate expires, use the certificate, frame number, etc. to rebuild one).

Refurbishment of trailers is of course illegal, that's for sure. But the card friends in the trailer market are also aware that this gap does exist, and there have been similar cases in the past.

Therefore, for the regulatory authorities, after the implementation of the new policy, how to prevent some manufacturers from "fishing in troubled waters" for profit is the key. After all, the policy has just been implemented and loopholes are very normal.


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