Motor grab – type MMGM (waste management)


Waste incineration plants, refuse-derived fuel (RDF) incineration plants or incineration plants of any kind. For various types of cranes which operate using hooks or rope/chain suspension.

Technical design

  • Open shell design
  • Suitable for handling all kinds of waste
  • Optimisation of crane load capacity thanks to its lightweight design which can hold maximum loads
  • Self-locking grab suspension for crane hooks
  • Grab drive:
    • Vertical electrohydraulic drive unit with high-pressure pump
    • Closing and opening movements are controlled through clockwise or counter clockwise rotation of the electric motor (turn control). The electric motor is only switched on whilst the closing and opening movement is being performed.
    • Closing and opening movements controlled by directly connected hydraulic cylinders, with stable piston rod protection
  • Grab connection bearing:
    • Re-greaseable, robust steel bushing bearing
    • KRÖGER MAINTENANCE-FREE bearing system
  • Stable shell structure with shells made out of S355J2+N, with wear-resistant edge recessing made of Pantanax steel
  • Tooth tips:
    • Welded tooth tips made of special, highly wear-resistant steel
    • Quick change system

Product sheet

Motor grab – type MMGM

[ PDF document ]