Rotary Clamshell bucket

Clamshell bucket covers swing type and non-rotary type. Non-rotary type uses excavator bucket cylinder oil pathway, unnecessary to add hydraulic valve and pipeline; rotary type needs to add one set of hydraulic valve and pipeline to control. Cylinders are with piston protective device. For digging holes of construction ground work, chasm digging and mud, sand, coal,gravel loading. Especially for digging and loading of channnel or one side of limited space. Loading and unloading vessels, trains,cars.