Hitachi KH100D Crawler Crane Track Roller
Track roller is one of the four wheels around the chassis of the excavator, bulldozer and crawler crane.
Its main role is to support the weight of the excavator, bulldozer & crawler crane, so that the track along the wheel.
Track roller material is generally 40Mn2, and other materials, the main process of casting or forging, mechanical processing, and then heat treatment, in order to increase the wear resistance of the wheel surface.
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