Public and railway dual-purpose vehicles refer to special vehicles that can run on railway tracks, but also on general roads, and even in the field. They mainly undertake emergency tasks such as maintenance and rescue along railway lines and routes. Because the vehicle requires a certain amount of traction and carrying capacity, it can play a unique role in the case of disruption or blockage of railway lines due to disasters. Special public and railway dual-purpose vehicles are: railway marshalling shunting machine, public and railway dual-purpose tractor, rail and road dual-purpose tractor, railway tractor and so on.

Advantages and characteristics of railway dual-purpose vehicles:

1.  the maintenance of railway vehicles is simple, low failure rate;

2.  the public and railway dual-purpose vehicle is flexible, the road and railway conversion is convenient, the shunting operation time is fast, and the delay fee of the truck is reduced;

3. Public railway dual-purpose vehicles are mainly used for aerial maintenance of railway lines, and can also be used for operation traction;

4. Long service life of public and railway dual-purpose vehicles, which can be used for more than 10 years;

5.  public rail dual-purpose vehicles do not need a garage, do not occupy the working site and railway line.

6. Public and railway dual-purpose vehicles are cost-effective, energy saving, environmental protection and noise reduction.

7.  the railway dual-purpose vehicle technology is unique, low speed large traction;

8.  easy to operate, low labor intensity, a slightly trained driver can operate independently;

9. Two-way traction of public and railway dual-purpose vehicles, steering operation can be done without switches;