Mian advantages of BST lowbed trailer :
1,BST lowbed trailer adopts HG60 high strength steel material , the yield strength of HG60 steel is more than 620Mpa, more durable and stronger than ordinary steel, and its loading capacity is 5 times more the trailer which adopt Q345 steel . 
2, BST lowbed trailer adopts 550mm main beam ,effectively increase 20% loading capacity than the normal trailer which uses 500mm main beam ,and ensure the main beam resistance to twisting forces, shock and bump, meet load requirements on different kinds of roads . 
3, BST lowbed trailer adopts 200mm width main beam ,increase 20% loading capacity than the normal trailer which uses 140mm width maind beam ,ensure driving smoothly . 
4, The side bam of BST lowbed trailer adopts 300mm "I beam "design ,and its loading capacity is 5 times more than the normal trailer which uses 250mm side beam 
5,  BST lowbed semi trailer adopts 350mm space between triangular tilted support that firmly connect the main beam and side beam , not only can effectively increase the loading capacity of the vehicle ,and also avoid the platform caved in .
6, Triangular tilted support is with 140mm width upper and down plate . 





Low bed semi-trailer is usually used to transport heavy vehicles (such as tractors, buses, special vehicles etc.), rail vehicles, mining machinery, forestry machinery, engineering machinery (such as excavators, bulldozers, loaders, cranes, pavers etc.) and other heavy goods, the heart is lower, the better stability and safety the transport of goods and the ultra high, the stronger the ability overhead obstacles.

In genearl , due to the number of axle and the size of tyre is different  ,lowbed semi-trailer load is also different .The greater the number of axles, the greater the load, and the load range is between 20-150 tons.