Land rollers; Earth moving machines; Earth moving machines, namely, excavators; Bulldozers; Power shovels; Machines, namely, rams; Earth moving machines, namely, loaders; Power-operated chain-type trenching machines for digging trenches; Rootdozer; Hoists; Mechanical discharging hoppers; Pumps for machines; Valves as machine components; Hydraulic valve actuators; Hydraulic power units; Engines not for land vehicles; Hydraulic controls for machines, motors and engines