China Caterpillar Motor Grader badala 16G chombo hiki meno 6Y0359 Caterpillar Bulldozer D5 D6 D7 D7H Caterpillar Loader na mbele ya chombo hiki 973 977 983 Penetration zisizo centerline R350series 6Y0359 wazalishaji na wauzaji | Minter Mashine