The specifications of the handling tank car start at 6 tons, which is based on 6 tons. There are two types of wheels with four wheels, one is a PU wheel, which is suitable for flat ground, such as floor paint. The cement floor without pits is also available. The other is a steel wheel. The material of the wheels is steel, which is suitable for various road surfaces, including uneven ground. The so -called 6 -ton refers to 3 or 4 uses together, and the load of 3 or 4 units is 6 tons, not referring to 6 tons of a single load. Essence The main structure of the tank car adopts the mold forging steel plate, which has a strong carrying capacity. Basically, there is no need to worry about the safety hazards caused by the steel plate. In terms of maintenance of tank cars, it is mainly for the maintenance of wheels. Wheels are parts of load -bearing parts that are directly contacted with the ground. Pay attention to the maintenance and maintenance of the wheels, especially the tank car of the rubber wheel. If the rubber wheel is damaged, it should be replaced to avoid other wheels from being damaged. Because one of the other wheels will increase, pay attention to the maintenance and maintenance.