... variours railway maintenance equipments in China.. Products include rail cutter, rail grinder, rail drilling machine, track lifting and lining machine, railway ... ballast tamper, railway bolt wrench, rail bender , rail gap adjuster, cutting disc, grinding stone, and etc ... a. petrol engine power: 6.5PS (4.8kw)b. king shaft rev. speed: 4100r/minc. dimension of grinding stone: ...