NGM-4.8  Internal combustion rail grinding machine,  It’s suitable for grinding rail welding seam, uneven joint, rail side fat edge, rail surface repair welding of rail 43kg/m-75kg/m. Its grinding quality is good and it’s easy and simple to handle, and convenient to be up on and down from the rail. It’s an indispensable tool for railway engineering heavy repair, maintenance and first aid repair.