... :Technical Applicable scopeNGM - 4.8 type internal combustion rail grinding machine is suitable for ... With high work efficiency, grinding of good quality, simple operation, and convenient way etc, and ... necessary tools.Second, the main technical parameters1, internal combustion engineType: GX200Speed: 3600 r/minPower: 4 ... grinding head stroke 90 mm6, the machine quality: 120 kg7, outlook size: 1650 x 465 ...