Auxiliary assembly for reducing unwanted movement of a hoist...
Belt drive with automatic belt tensioning
Boom support pendant pin retainer
Boom support structure for a hoist rope support sheave
Construction machine
Control system for rope bucket
Crawler frame for construction machine
Crawler frame for construction machine
Device for guiding bundles of parallel ropes, cables, or...
Dragline bucket dump compensator
Dragline bucket rigging and control apparatus
Dragline excavating machine with direct drive hoist and drag...
Dragline including improved boom
Dragline rigging system
Dragline walking mechanism with improved planetary transmission
Dragline with cantilevered side-access dump block
Dragline with high headroom between upper and lower structures
Dump block
Dump block for strip mine rigging apparatus
Dumping system for a dragline bucket