Maintenance-free - Import export

Motor grab systems. A wide range of maintenance-free products Manufactured for tough yet smooth bulk load handling – in sea and inland ports, gravel and sand extraction, and waste processing – our KRÖGER motor grab systems are available in a variety of designs and all come with the KRÖGER “maintenance-free” advantage. To protect the environment and maximise your efficiency.

Waste incineration plants, refuse-derived fuel (RDF) incineration plants or incineration plants of any kind. For various types of cranes with internal or external holding ropes. Technical design Low-maintenance or maintenance-free for increased profitability 4-rope grab with half-closed grip Suitable for handling waste of any kind Closing rope devices: Rope nozzles KROGER MAINTENANCE-FREE, rope-protecting, roller-bearing pulley system Rigidly mounted main casing to accommodate the lower rope pulleys, easily move the ropes and reduce wear on them even when the crosshead is at an angle whilst the grab is being operated Solid, removable rope guards Rope pulley bearing: Re-greaseable plain bearing KROGER MAINTENANCE-FREE pulley block system Grab connection bearing: Re-greaseable steel bushing bearing KROGER MAINTENANCE-FREE bearing system Stable shell structure with shells made out of S355J2+N with a wear-resistant edge recessing made of Pantanax steel

Underwater gravel and sand extraction using dredgers and rope excavators with 2 or 4 ropes. Suitable for use in all river and lake dredging areas with difficult ground conditions and at dredging depths of over 100m. Technical design MAINTENANCE-FREE design, which benefits both the environment and your profitability 5-rope or 7-rope reeving design in all sizes Larger capacity for increased output Lightweight design, optimised grip Closing rope infeed in star form on the grab head with the KRÖGER MAINTENANCE-FREE, rope-protecting pulley system Fixed linkage steering on one side of the grab head KRÖGER MAINTENANCE-FREE pulley block system Grab shells made of wear-resistant fine-grain steel Grab connection bearing with the KRÖGER MAINTENANCE-FREE bearing system Tooth tips are interchangeable depending on ground conditions

Slag handling in waste incineration plants or incineration plants of any kind. For various types of cranes with internal or external holding ropes. Technical design Low-maintenance or maintenance-free for increased profitability Transverse or longitudinal suspension with 4-fold, 5-fold and 7-fold rope reeving; as a 4-rope grab High load capacity thanks to its lightweight design Smooth grab thanks to its low centre of gravity and because the rope’s diameter matches that of the pulley Closing rope devices: Rope nozzles KROGER MAINTENANCE-FREE, rope-protecting, roller-bearing pulley system Lower pulley block unrestrained on the crossbeam Rope pulley bearing: Re-greaseable plain bearing KROGER MAINTENANCE-FREE pulley block system Grab shells: Material: S355J2+N Cutting edge material: special, highly wear-resistant steel Grab connection bearing: Re-greaseable steel bushing bearing KRÖGER MAINTENANCE-FREE bearing system

Refuse-derived fuel (RDF) is no problem for our KRÖGER grab systems. They can be specially modified for RDF and their compact design makes them suitable for fully-automatic operation in tight spaces. And, of course, they are maintenance-free.

Bulk handling of any kind in sea and inland ports or storage facilities. For ship-to-ship, ship-to-storage/wagon/silo handling. For various types of crane with internal or external holding ropes. Technical design Low-maintenance or maintenance-free design, which benefits both the environment and your profitability Transverse or longitudinal suspension with 3-fold, 4-fold and 5-fold rope reeving; as 2-rope and 4-rope grabs High load capacity thanks to its lightweight design Smooth grab thanks to its low centre of gravity and because the rope’s diameter matches that of the pulley Retracted pivots for easy grab under the ship’s gangway Large plastered surface to grip the residual charge Closing rope devices: Rope nozzles KROGER MAINTENANCE-FREE, rope-protecting, roller-bearing pulley system Lower pulley block unrestrained on the crossbeam Rope pulley bearing: Plain bearing KROGER MAINTENANCE-FREE pulley block system Grab shells: Material: S355J2+N

Our KROGER rope grabs are used on cranes for gravel extraction, port handling and waste processing to lift high and even maximum loads. They are individually designed for 2-point or 4-point suspensions. Their clamping force equally varies, with 3 to 7-fold reeving. All KROGER grabshave low-maintenance or maintenance-free design, which benefits both the environment and your profitability.

Underwater gravel and sand extraction using dredgers with 2-cable or 4-cable winches. Suitable for use in all river and lake dredging areas with difficult ground conditions and deep dredging depths. Technical design MAINTENANCE-FREE design, which benefits both the environment and your profitability High load capacity thanks to its lightweight design Robust, torsion-resistant grab design for maximum loads Grab shells made of wear-resistant fine-grain steel Tooth tips are interchangeable depending on ground conditions KROGER MAINTENANCE-FREE bearing system in the shell pivots and cylinder rod bearings KROGER power unit is easy to service, the crosshead engine is separate from the hydraulic tank, hydraulic units are in the tank Environmentally friendly hydraulic fluid using organic oil