Komatsu D21p bulldozer and excavator collaboration, little one in action 

Komatsu D21p bulldozer and excavator collaboration, little one in action.
The following is the process of leveling rice fields, excavators are in charge of dismantling earthen mounds and bulldozers are tasked with leveling the ground, equipment:
1. excavator doosan dx225lca
2. Komatsu d21p bulldozer
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