Scarifying apparatus and method for railroad bed ballast removal
Self metering ballast system
Self-loading dualistic earth excavator with connecting telescopi
Self-propelled machine to dress and re-distribute railway road b
Shovel for earthmoving equipment
Sidewalk grader apparatus and method
Slopeboard mounting
Sloper apparatus
Small sub-grader
Stabilized digging mechanism
System for distributing ballast in a track bed