The GBM-7.6 rail wave abrasion grinding machine is a professional machine used for the wave abrasion and grinding of the rail top. This machine is suitable for various rails of 43~75kg/m Engine power Honda GXV390, 7.6kW, single cylinder, air-cooled 4-stroke petrol engine Grinding wheel speed 3600r/min Feed accuracy 0.11mm Grinding wheel stroke 45mm Grinding wheel size: 150 55 70mm Profile wheel span 1000mm Dimensions 1700 460 800mm Weight 85kg