The new intelligently designed multi-tine grab GMM 50-5 has exceptional load-bearing capacity, resistance, and durability for tough applications in recycling and scrap handling applications in industrial goods, where choosing the right attachment for the job is key to efficient and economical handling. The GMM 50-5 is available for material handlers with an operating weight of 35 to 55 tons. A comprehensive portfolio of buckets as well as a wide selection of optional equipment means that diverse materials can be handled efficiently and economically.

Liebherr Presents New Multi-tine GrabThe Liebherr multi-tine grab GMM 50-5 was completely redeveloped with a smart design

Sturdy materials for stability and resistance
The components are made of sturdy cast steel as well as low-wear, high-strength steel sheets. The high-quality materials guarantee stability and resistance to the toughest applications and material handling jobs. The special shape of the tine support and the buckets was developed based on calculations and simulation software, which have also made the grab extremely robust and resistant despite its low dead weight.

Increased service life
In the design phase special attention was paid to maximum service life: In order to split the high torque, the slewing drive, for example, was equipped as standard with two motors. This increases the service life and minimises wear considerably. Both rotary transmission and the reinforced slewing drive are sealed multiple times to give maximum protected against external factors such as dust and water.

Large and flow-optimised oil ducts not only ensure fast work speeds, but also efficient machine operation. The sealed, anti-twist piston rod protection for hydraulic cylinders is also included with the grab as standard. The new cylinder kinematics also guarantee a long-lasting and good closing mechanism when the tines is worn out.

A newly designed wear back on the tine also extends its service life immensely. Long-lasting good and precise penetration in diverse scrap and recycling materials is due to the special shape and alignment of the tine tips.

Liebherr Presents New Multi-tine GrabThe new GMM 50-5 designed for recycling and scrap handling areas, offers a choice of three tines for different materials

Easy servicing and numerous options
As the lubrication points are arranged ergonomically and logically, the GMM 50-5 is supplied with the necessary lubrication in a very short space of time. Perfect tolerances and generously dimensioned bearing surfaces lead to gentle interplay of the individual components.

Thanks to the optional motor and hose protection damage to rotary motors and hydraulic lines is minimised. An optional central lubrication system assumes regular, automatic lubrication of all central points. The GMM 50-5 can be equipped with shackles to protect magnetic plates. In order to protect the edges of the often highly stressed internal sheet of the grab against wear and tear, the tines can be equipped with a reinforcement set of wear-resistant sheets.

Liebherr Presents New Multi-tine GrabExtremely robust and resistant: The components of the new GMM 50-5 are made of sturdy cast steel as well as low-wear, high-strength steel sheets. The consistent use of high-quality materials guarantees extreme stability and resistance

Three different tine shapes
The GMM 50-5 is designed specially for optimal grabbing of mixed and shredder waste as well as chippings or shavings with content of up to 1.10 m³. The arrangement and shape of the tines are optimised for perfect penetration and holding of bulky and at the same time loose material. There is a choice of three different tines for handling diverse materials: The version with open tines is perfect for handling large-size and bulky scrap objects. The version with semi-closed tines is ideal for medium-sized, mixed materials and shredding waste. Small, fine materials and chippings or shavings can be handled most effectively with the closed, heart-shaped tines.
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