Demolition grab DG-16

Demolition grab DG-16

Demolition, recycling, loading…


  • Oversized pins all combined with heavy duty wear bushings on rotating points.
  • Powerful hydraulic rotation motor.
  • No drain line needed for the hydraulic motor.
  • One hydraulic cylinder with cushion at the end of stroke (opening).
  • Less hydraulic components, less possibility of leakage.
  • Hydraulic connections at both sides of the Swivel Top
  • Easy maintenance.
  • Easy accessibility of the adjustment of the opening/closing speed and rotation speed. All accessible by a hole in the swivel top.
  • Pilot check valve against unexpected opening of the arms.
  • All hydraulic connections for opening/closing G3/4”. Less heating up of hydraulic oil.
  • Stiff Frame with Side plates and Bottom plate made of Hardox400.
  • Arms complete build up with Hardox400.
  • Interchangeable and reversible cutters (HB500).
  • Heavy and strong bearing (slewing ring) with 360° hydraulic rotation.
  • Brake valve on hydraulic motor for protection of the motor seals.
  • Easy to grease in one position.
  • Large jaw opening and high closing force.
  • Special requests can be discussed.
  • Optional : cutters.
  • Optional : perforated arm.
  • Special request


Model NPK DG-16
Excavator weight (ton) 10 – 16
Weight (kg) 860
Capacity (L) 425
Open/close – Working pressure (MPa) 35
Open/close – Oil flow (l/min) 100
Rotation – Working pressure (MPa) 13
Rotation – Oil flow (l/min) 25
Closing force (kN) 48
Jaw – opening (mm) 1850
Width (mm) 860


Demolition grabs DG-16


Demolition_grabs.pdf (306.00 kB)

Abbruchgreifer.pdf (306.07 kB)

Grappins_de_démalition.pdf (308.07 kB)



NPK EUROPE, exhibitor in the EDA 2016 Annual Convention The exhibitor in the Read More


            Meet you on Bauma 2016 Only just Read More


The NPK Powerbooster can be explained in 4 steps, as described above. As soon as the jaws meet resistance the extra speed is changed to extra power. Without concrete in the jaw, the booster creates more speed.

Read more about NPK technologies