This is a safe and fast slab transport machine designed to lay ballastless track slabs for high speed railways. It can transport ballastless track slabs to the laying location in a convenient way on the supporting layer of narrow ballastless track base. This slab transport machine can travel in two directions, eliminating the need to change or reverse direction, and achieves the logistic organization function from storage yard to the laying location. Technical characteristics: Taking as an example 40t slab transport machine used to transport large ballastless track slabs. This equipment is characterized by simple structures and easy assembly. A driver’s cab is provided on both ends of the machine where the whole machine can be started and controlled. The front and rear cabs have the same layout and function, and are interlocked.