High lift hydraulic system for an excavator
Hydraulic control for earth working machines
Hydraulic excavator
Hydraulic excavator equipment for excavation laterally of the ex
Hydraulic locking of the boom to the swivel arm of an excavator,
Installation for the rehabilitation of a ballast bed
Laser control of excavating machine digging depth
Lightweight excavator dipper with replaceable top and bottom sec
Linkage mechanism for digging implement
Machine and method for clearing ballast
Machine arrangement for receiving, storing and distributing trac
Machine for cleaning railway tracks
Machine for withdrawing bulk material from a track
Material handling apparatus
Maximum lift system for hydraulic hoe
Method and apparatus for burying cable in a railway bed
Method and apparatus for scarifying a railroad crib
Method and device for renewing a ballast bed
Method and installation for rehabilitating a ballast bed
Method and railway train for draining a railway track