System for recovering energy from a hydraulic actuator , the system comprising: a hydraulic actuator , in particular comprising at least one of a hydraulic cylinder and a hydraulic motor; a source of hydraulic pressure, preferably a hydraulic pump , in fluid communication with the hydraulic actuator for pressurizing the hydraulic actuator ; a hydraulic accumulator assembly for selectively absorbing energy from the hydraulic actuator or via the hydraulic actuator ; a first one-way valve configured to provide fluid communication between the hydraulic actuator and the hydraulic accumulator assembly , the first one-way valve configured to permit a flow of fluid through the first one-way valve from the hydraulic actuator to the hydraulic accumulator assembly , and the first one-way valve configured to block a flow of fluid through the first one-way valve from the hydraulic accumulator assembly to the hydraulic actuator ; an overcenter valve for selectively draining fluid from the hydraulic actuator via the overcenter valve , the overcenter valve having an open position and a closed position, the overcenter valve in the open position permitting the draining of fluid from the hydraulic actuator via the overcenter valve , and the overcenter valve in the closed position blocking the draining of fluid from the hydraulic actuator via the overcenter valve , the overcenter valve comprising a biasing member biasing the overcenter valve to the closed position, and the overcenter valve having a pressure-actuatable actuator configured to bias the overcenter valve to the open position; characterised by : a hydraulically actuatable control mechanism configured to selectively apply a hydraulic pressure on the pressure-actuatable actuator of the overcenter valve , wherein the selective application of the hydraulic pressure on the pressure-actuatable actuator of the overcenter valve is based at least on a hydraulic pressure in the hydraulic accumulator assembly . a hydraulic actuator , in particular comprising at least one of a hydraulic cylinder and a hydraulic motor; a source of hydraulic pressure, preferably a hydraulic pump , in fluid communication with the hydraulic actuator for pressurizing the hydraulic actuator ; a hydraulic accumulator assembly for selectively absorbing energy from the hydraulic actuator or via the hydraulic actuator ; a first one-way valve configured to provide fluid communication between the hydraulic actuator and the hydraulic accumulator assembly , the first one-way valve configured to permit a flow of fluid through the first one-way valve from the hydraulic actuator to the hydraulic accumulator assembly , and the first one-way valve configured to block a flow of fluid through the first one-way valve from the hydraulic accumulator assembly to the hydraulic actuator ; an overcenter valve for selectively draining fluid from the hydraulic actuator via the overcenter valve , the overcenter valve having an open position and a closed position, the overcenter valve in the open position permitting the draining of fluid from the hydraulic actuator via the overcenter valve , and the overcenter valve in the closed position blocking the draining of fluid from the hydraulic actuator via the overcenter valve , the overcenter valve comprising a biasing member biasing the overcenter valve to the closed position, and the overcenter valve having a pressure-actuatable actuator configured to bias the overcenter valve to the open position; characterised by : a hydraulically actuatable control mechanism configured to selectively apply a hydraulic pressure on the pressure-actuatable actuator of the overcenter valve , wherein the selective application of the hydraulic pressure on the pressure-actuatable actuator of the overcenter valve is based at least on a hydraulic pressure in the hydraulic accumulator assembly . <EOS>