Dragline dump position control

Dragline equipped with hopper means and loading means

Dragline excavating machine with direct drive hoist

Dragline excavator bucket and rigging

Dragline modular swing drive unit

Dragline rigging

Dragline walking mechanism with improved planetary transmission

Dragline with cantilevered side-access dump block

Dragline with high headroom between upper and lower structures

Dragline with improved pinion shaft mounting

Dragline with improved thrust bearing assembly supporting...

Dragrope fairlead assembly

Drain line and method of installing

Draw bar for a motor grader

Drawbar support for leveling circle frame on road graders

Dredge chain

Dredge cutterhead

Dredge for excavating holes or channels in a water bed

Dredge head having forward water-deflecting means

Dredge head with mechanical and pumping action