CPG500 type CWR long rail track laying machine adopts single sleeper continuous operation method.It is a combination of rail-laying and sleeper-laying.Laying unit operations uses crawler traction device traction with six wheel-rail traction power shaft joint control approach.Traction units,gantry crane as wellas the host and the respective operating mechanism are hydraulic driven.According to the unit operation characteristics,the machine equips with a reliable,advanced electronic control system and a complete security surveillance systems wireless intercom systems.The machine set is mainly comprised of Crawler rail tractor,the host (including vehicles,auxiliary power cars),sleeper car gantry crane and truck group dynamic system,hydraulic system,electrical control system and other components.