Q:How can the trailer behind the semi-trailer control the driving brake and the parking brake, while the tractor has only one air supply pipe and one control port behind it?.

Tractor and trailer parking brake in the same way, the front of the car is parked in the car, brake cabin, air supply brake, brake cabin gas supply, parking, two gas tanks are not gas

Q:How many tons are heavy duty semi traction tractors allowed to load?

2 floor of the right, the approved load is not calculated by the shaft, the rear bridge can be installed

Q:According to the tractor wheel can optional differential lock and inter axle differential lock

Even if there is a bad lock, it is estimated that the possibility of climbing pits is not large, honest Road, and the life of the car is good, and refitting the original car design is a challenge, the designer in the design of this did not consider it? Really loaded, I guess there will be a series of problems come out. Pure hand touch adopted.

Q:Brake adjustment of tractor and semi-trailer

When loaded with dozens of tons of goods, the brakes on the performance is very poor, so that it is easy to trouble. The gap size of semi-trailer must be able to adapt to the heavy vehicle driving, when we feel empty when the brakes too quickly, we can put back the brakes all off, the premise is that the front brake performance must be good, can not have the phenomenon of deviation. That's no big deal. Of course, the situation must be dealt with in advance, which is the root of the accident prevention ah. As for the optical hub you master, here we all agree that the semi-trailer hub is not required to light, all right, well, I wish you May you be safe throughout the journey!

Q:Is there any change in the payload quality of the tractor in the new traffic law?

After the introduction of the new traffic law, the provinces have introduced relevant interpretation of the rules, the actual operation of each province is not the same. The cost of buying a car how to get six figures, it is considered a lot of money, or recommend you to be on the safe side, consult the local traffic management department.

Q:Tractor for military vehicles

In the grand military parade on Tiananmen square, we can see rows of flashing green light cannon stretched long barrel, in vehicle traction under the uniform through the reviewing stand, especially style. There are tens of meters long, a few people can not hold together the giant missile, divided into several sections lying on a dedicated large trailer, there is majestic, strong marching music marching slowly, particularly noticeable.

Q:What kind of truck speed ratio do heavy truck have? What horsepower segments are used separately?

The common rear axle ratio is 3 to 6. There are wheel side deceleration and single stage deceleration. Generally speaking, the car running at high speed is suitable for single stage deceleration, and the speed ratio between 3 and 4 points. For a long time, it is suitable for a wheel bridge with 5 points and a few speed ratios. Collocation of previous laws, fuel-efficient large horsepower small speed ratio, small horsepower ratio - to ensure strong.

Q:Tractor car country four and country three difference, where hope informed friend inform?

Is the automobile exhaust emission standard is different, now the car manufacturers have no production in 3, now the country 3 emission car has many restrictions on trading city, especially to mention.

Q:Tractor running logistics, single drive or double drive good?

If 6 x 4 tractor, the wheel will not be chewed, a year can save thousands of dollars. EFI better than the big stick, fuel-efficient.

Q:Can the old B permit me to drive the tractor?

Old B card is now A2 card, you can drive a tractor, but to ensure that the driver's license in the validity period.