LZC-800 road bed engineering car Main technical data: Overall length:about 105m width:3.1m Height:4.65m G/W:about 400t Drive:Hydraulic motor, two four-axle bogie gear box Max runing speed Proper motion:20km/h(without material transportation car) Coupling:100km/h Speed of dig ballast and mix dinas:80m/h Max thickness of pave gravel:0.5m /time Max width of excavation Ballast excavation :4m Road bed excavation(stepless adjust):4.05锝?.6 m Max excavation depth(calculate from rail surface)