... 18cbm 2.Type:Standard/Rock/Heavy Duty Bucket 3.Excavator Bucket/Wheel Loader Bucket4.Material: Q345B, NM360, NM400 ... designed according customer request.6. Application: Caterpillar, Hitachi, Volvo, Komatsu, Kobelco, Kato, Hyundai, Sumitomo, Mitsubishi, JCB, Competitive Price ... this partSurface preparation: sandblastingPainting: primer and coating Excavator Boom Extension for Caterpillar excavator parts