Air filters for pneumatic controls being part of machines; Couplings for machines; Filters for mobile and industrial hydraulic machines; Fluid couplings being parts of machines; High-pressure pumps for use in oil or gas well hydraulic fracturing operations; Hydraulic accumulators being parts of machines; Hydraulic controls for machines, motors and engines; Hydraulic engines and motors; Hydraulic linear actuators; Hydraulic power packs; Hydraulic power units; Hydraulic pumps; Hydraulic pumps and motors for hydrostatic systems, comprised of pumps, motors, valves, switches, sensors and electronic controls, for hydraulic drives and force transmission in machines, machine tools, grinding and food processing machines and in off-road-vehicles; Hydraulic valve actuators; Oil filters for mechanical purposes; Pneumatic air preparation equipment, namely, airline filters, lubricators, and regulators, all being parts of machines; Pressure switches and sensors for monitoring, controlling, and switching hydraulic or pneumatic systems being sold as a unit with manufacturing machines; Pressure transducers and transmitters that convert hydraulic or pneumatic pressure into analog electrical signals for monitoring and controlling hydraulic or pneumatic systems sold as a unit with manufacturing machines; Replacement parts for machines, namely, replacement parts for trench excavators, drag-line excavators, hoisting machines, locomotive cranes, shoveling machines, power shovels and log handling machines, namely, chassis parts, hydraulic and pneumatic parts; Shaft couplings as parts of machines; Shaft couplings for machines; Shaft couplings, not for land vehicles