Use of Trenchers in construction advantage and disadvantages

It is sometimes called as Ditchers or Trenches, are similar to excavators in the sense that penetrate the soil, break soil and rock, and from the earth. . They differ from excavators in that the soil is removed in one continuous movement. Digging trenches for pipes used specifically for, but other machines have been improvised in the past in order to serve this purpose.

Trenches in construction

Trenchers can come in two types

1. Ladder trenchers 
2. Wheel trenchers

can dig trenches at speeds that other machines cannot compare to.