Dredging method and apparatus

Drill

Drilling machine for railroad rail

Drive assembly for distributors of granular material

Drive couplings in fertilizer spreading machines

Drive for vibrating a track maintenance machine tool

Drive mechanism

Drive mechanism for a barrier

Drive mechanism for a vertically rotating member

Drive system for transferring roadway barrier systems

Driveway leveler

Driveway snow plow

Driving of rail clips in making a railway rail-and-fastening...

Drop down lug for railroad switch application

Drop hammer

Dropped curb finisher

Drum dryer for reprocessing recycled asphalt pavement

Dry feeder spray apparatus

Dry feeder spray device

Dry spreader