NGM-6.3II digital control profiling rail grinder, with petrol engine. Mainly used for the restoration and grinding of welded joints, calendering burrs, rail surface repair, waveform wear,etc.in the maintenance and construction of railway rails. Gasoline engine power 6.3kw/3600rpm Single chip microcomputer running speed 16Mpa LCD display resolution 128x64 DOTS Magneto output voltage ~12V External charging power supply ~220V Effective stroke of grinding wheel 40mm Profile deflection angle ±90° Grinding wheel including feed accuracy 0.01~0.5mm(instant setting) Working environmental temperature - 40~ + 70 Outline size of main engine(length x width x height) 1565x550x973(mm) Main engine mass 98 kg