Complete track Replacement??? How to Relay Railway Track ???? Here comes the PQRS Machine 

Plasser Quick Relaying System
It is essentially a semi-mechanised system of track renewal. PQRS consists of self propelled cranes which move on an auxiliary track of 3400 mm gauge having the same centre line as that of track to be relayed. #railway #trackmachine #plasserandtheurer #westernrailways #indianrailways #mechanical #civilengineering #plasserandtheurer #train #mechanicalengineering #kirloskar