China Caterpillar bulldozer D8K D8L D8N-R D9H D9N moja chombo hiki shank ulinzi mbalimbali chombo hiki shank ulinzi chombo hiki ulinzi shank mlinzi D9R (MS) R450series R500 mfululizo 8E1848 wazalishaji na wauzaji | Minter Mashine