... pipes, garden cultivation, trenches clearance 55-7 mini crawler excavator introduction55-7 mini crawler excavator is widely used in projects like small earth & stone ... pipes, garden cultivation, trenches clearance, and etc.Specification of mini crawler excavatorRANCE OF OPERATIONBoom Length3060mmArm Length1650mmMaximum Digging Reach5900mmMaximum Digging Depth3540mmMaximum Digging ...