Complex sentence: An auxiliary hydraulic system (hydraulic drive system) is standard on all machine it is used to control the front and rear linkages and through quick connectors at the front and rear of the tractor to control and power implements.
Split into simpler sentences: An auxiliary hydraulic system (hydraulic drive system) is standard on all machines. It is used to control the front and rear linkages and through quick connectors at the front and rear of the tractor to control and power implements.