In Dec. 2015, one of our old client ask us whether our 18m long reach boom arm (we provided) can grab and carry big boulders, in our experience, we think standard bucket is not suitable for material handling, we suggest rock grapple, which has two claws can open and close, one claw is fixed by a steel rod on bottom side of dipper, there are three adjusting holes, another claw is driven by bucket cylinder, maximum opening of this rock grapple is 1.9m that's wide enough to grab stone.
Rock grapple with two grab jaws , one jaw support by a rod pins on bottom side of arm, there are three position-adjusting holes. another jaw driven by hydraulic bucket cylinder, inner side of jaw with anti-skidding teeth, the rock grapple maximumly open 1.9m wide.
