... in variours railway maintenance equipments in China.. Products include rail cutter, rail grinder, rail drilling machine, track lifting and lining ... & dismounting the elastic fastening on the railway track. With double top head, it can install two pieces of elastic fastenings at the ... .8kw3,engine rev.: 3600r/min 4,rated thrust: 20KN5,top head QTY.: 26,working efficiency: ≤4sec/one piece7,weight; 219kg8 ...