Hydraulic fluid and hydraulic oil are one in the same.

Yes. He developed hydraulic civilization maintains control over its population by means of controlling the supply of water. Most of the first civilizations in history such as ancient Egypt, Mesopotamia, China, Sri Lanka, pre-Columbian Mexico and Peru are believed to been among the first hydraulic empires

Instead of hydraulic pumps, hydraulic gear motor does not work.

Hydraulic pump hydraulic motor blade is used instead.

Hydraulic Hydraulic

Hydraulic oil and hydraulic fluid are different.

Hydraulic fluid is used in small systems such as car brakes.

Hydraulic oil is used in large systems such as loaders.