A hydraulic control circuit for working members of earth-moving machines

摘要: A hydraulic control circuit for, for example, working members of earth-moving machines such as backhoe loaders, with a first and second section (9,10) linear actuators (1,2; 3-8) through respective spool valves (21,22; 23-28), supply means (11) fluid under pressure in parallel to the two sections via feed line (13), further comprising load sensing (16) associated valves. The comprises series-parallel connection (36) (16), additional optional devices ensuring higher operative functionality machine.