Unloading Arm

2025-07-08

It is mainly used for loading / transporting coal sandstone / Sandy ore / silt in railway / sea terminal / coal yard / mine and other fields, with high construction efficiency.

So it can also be called the shell type bucket of coal unloading excavator and the shell type bucket of desilting excavator.

Excavator shell type bucket (shell type grab) according to customer needs, there are two kinds of hydraulic rotation and without hydraulic rotation; The shell type grab without hydraulic rotation adopts the oil circuit of the bucket cylinder of the excavator without additional hydraulic valve block and pipeline; A set of hydraulic valve block and pipeline shall be added to the shell grab with hydraulic rotation for control, and the cylinder shall be equipped with piston protection device;

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Model	Unit	TN120	TN200	TN300	TN400
Weight	kg	900	1500	2200	2700
Maximum Open	mm	1000	1850	2050	2200
Bucket volume	m3	0.8	1.5	2.5	4
Height	mm	1600	2050	2250	2350
Excavator tonnage	Ton	12-16	20-27	30-38	40-49

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