Specifications

jack hammer, hitachi demolition hammer, komatsu rock hammer
Suitable Excavator:20 ton

 

jack hammer, hitachi demolition hammer, komatsu rock hammer
 
 

 

  

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  Item / Model	Unit	JSB400	JSB900	JSB1600	JSB1900	JSB2800	JSB3500
  Total Weight	Kg	254	853	1679	1898	2455	2650
  Overall Length	Mm	1270	2260	2695	2810	2895	3310
  Operating Pressure	Kg/cm2	110-140	150-170	160-180	160-180	160-180	160-180
  Required Oil Flow	L/min	25-45	80-120	120-160	130-170	150-190	170-220
  Impact Rate	Bpm	500-900	400-700	400-700	400-600	350-500	250-400
  Hosepipe Diameter	Inch	0.5	0.75	1	1	1	1.25
  Rod Diameter	Mm	68/70	100	135	140	150	155
  Suitable Excavator	Ton	3.0-5.5	11-16	19-26	19-26	27-38	28-40

   

• Advanced Breaking Technology 

• a. Deck durability design. The naked deck adopts high-intensitive steel plate to decrease wear.
• b. Oil seal durability design. The face increased pressure in the oil seal is designed to return oil passage, reduce oil seal pressure, and improve oil seal service life.
• c. Lightweight design. Achieve the best match with excavators and loaders.
• d. Low noise. In the city whose noise is limited, choose low-noise bracket breaker, which reduces noise effectively through the damping rubber cushion and seal box.