1.Komatsu Bulldozers parts part no 175-22-21160 2.material: 65Mn 3. ... -50 4.steel plate .punch process 1.Product Name : Komatsu Bulldozers parts part no 175-22-21160 2.Material: C65 steel3 ... , Turkey,India,Mayalisa,Singapore,etc10.Company factory, Certification,Honour. Komatsu Bulldozers parts part no 175-22-21160