... anti-loose, stand fire ,4Hydro cylinder working system: taking advantage of the foreign advanced technology, it can reduce wobble with ... , adopted vacuum brazing process, boost burble ,improving coefficient of heat transfer, the Hydraulic small flow resistance, even in ... overflow210kgf/m3Length of the moving arm(mm)6150Length of boom(mm)1600Digging force of bucket37.7KNDigging force of forearm28.4kNWe ...