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Rock arm

  • Rock arm
  • Rock arm
Rock armRock arm

Rock arm

Rock arm


Our company can according to customers requirements to design and manufacture rock arm for various brands more than 35 tonnage .Rock arm design principle is:With movable arm and bucket rod connection point for the fulcrum,Extended protection to the bucket rod oil cylinder lever of ear hole center distance,shorten the fulcrum to the front of the bucket rod set of lever of center distance,increasing the bucket rod oil cylinder bore to obtain large enough force,through the leverage theory to achieve strong damage. In order to ensure the smooth installation and use of rock arm, we take full bore processing technology after welding process, extend the service life of the excavator.

Rock arm is mainly used to stroke the fossils and strong weathering rock crushing collapse.



Serial

Item

Machine TonnageT

LengthMM

WeightKg

Applicable Models

1

Swing arm

35-40T

5000

6800

CAT336CAT340PC400SY365ZX360EC380

Bucket boom

3500

7200

2

Swing arm

41-50T

5100

8000

CAT345CAT349PC450SY465ZX450EC480

Bucket boom

3700

9000

3

Swing arm

51-65T

5300

12000

CAT365PC600PC650EX600

Bucket boom

4000

11500

4

Swing arm

66-90T

5700

13600

CAT374CAT385PC700PC800EX800EX850EC700XE900

Bucket boom

4500

13000


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