... Products include rail cutter, rail grinder, rail drilling machine, track lifting and lining machine, railway ballast tamper, railway bolt wrench, rail bender ... very high reputation. NGM-4.4 Internal combustion rail griding machine Application: Suitable for 43 kg/m - 75 kg/m ... Parameter:1.petrol engine power:4.4kw2.Spindle Rpm:4500r/min3.Griding wheel size: Φ 125* Φ 65*204.Machine weght:69kg5.Demention ...