01 Ago Bottom Roller Undercarriage FIT Hitachi Excavator EX40-1 Track Roller US.
1x Bottom Roller. Roller Specifications ：. Bolt, grade 12.9, HRC45-52. Seal: Nitrile rubber. Surface Hardness: HRC52-58, Deepth:5mm-10mm. Material: 50 MnB Steel. (Except the pre-sale products and special cases)....