Lithium battery powered Rail bolt wrench machine (model: LJ-LDB171X) is composed of host, control system, battery system and rail traveling part. The utility model has the advantages of compact structure, light weight, flexible assembly and disassembly, convenient use and no exhaust emission. It can be transported separately, which is convenient for single person to carry on site. The weight of the separated part is less than 15kg. It is applicable to the laying, maintenance and emergency rescue of railway, and is specialized in various railway bolt operations Specification Model NGM-4.4II Type Rail Profile Grinding Machine Material Stainless Steel Dimensions (L x W x H) (mm) 1480*470*810mm Engine Two-stroke petrol engine/4.4KW Main shaft rpm 4670r/min Bolt screwing flat grinding wheel 125*65*M20 Grinding head angle of inclination 90 ° Grinding head stroke 45 mm Total weight 61kg
