... :patent2:ISO90013:Technical Applicable scopeNGM - 4.8 type internal combustion rail grinding machine is suitable for 43 kg/m - 75 kg/m ... repair the necessary tools.Second, the main technical parameters1, internal combustion engineType: GX200Speed: 3600 r/minPower: 4.8 kW2, grinding wheel ... head Angle 90 °5, grinding head stroke 90 mm6, the machine quality: 120 kg7, outlook size: 1650 x 465 x 831 ...