A compensator device comprising: a hydraulic cylinder with a first end , a second end and an inner cylinder rod extending axially from the second end , the inner cylinder rod with an end with a blocking diameter (AB); a piston rod with a piston movable axially within the cylinder , the piston rod being generally hollow and with a cavity to receive the blocking diameter (AB) of the inner cylinder rod ; wherein a first pressure chamber is formed in the hollow cavity of the piston rod between the piston , the inner cylinder rod and an inner side of the piston rod ; wherein a second pressure chamber is formed between an inner side of the cylinder at the second end and the piston ; and wherein a third pressure chamber is formed between the inner side of the cylinder at the first end , the outer side of the piston rod and the piston the compensator device characterised by : an inlet valve in fluid communication with the first pressure chamber and positioned to be selectively covered by the piston when the piston moves toward the first end of the cylinder ; an outlet valve in fluid communication with the first pressure chamber for allowing fluid to exit the first pressure chamber ; a fluid passage connecting to the third pressure chamber ; and a pressure system to selectively provide pressurized fluid to the first pressure chamber and/or to the third pressure chamber for influencing movement of the piston rod and piston axially with respect to the cylinder . a hydraulic cylinder with a first end , a second end and an inner cylinder rod extending axially from the second end , the inner cylinder rod with an end with a blocking diameter (AB); a piston rod with a piston movable axially within the cylinder , the piston rod being generally hollow and with a cavity to receive the blocking diameter (AB) of the inner cylinder rod ; wherein a first pressure chamber is formed in the hollow cavity of the piston rod between the piston , the inner cylinder rod and an inner side of the piston rod ; wherein a second pressure chamber is formed between an inner side of the cylinder at the second end and the piston ; and wherein a third pressure chamber is formed between the inner side of the cylinder at the first end , the outer side of the piston rod and the piston the compensator device characterised by : an inlet valve in fluid communication with the first pressure chamber and positioned to be selectively covered by the piston when the piston moves toward the first end of the cylinder ; an outlet valve in fluid communication with the first pressure chamber for allowing fluid to exit the first pressure chamber ; a fluid passage connecting to the third pressure chamber ; and a pressure system to selectively provide pressurized fluid to the first pressure chamber and/or to the third pressure chamber for influencing movement of the piston rod and piston axially with respect to the cylinder . an inlet valve in fluid communication with the first pressure chamber and positioned to be selectively covered by the piston when the piston moves toward the first end of the cylinder ; an outlet valve in fluid communication with the first pressure chamber for allowing fluid to exit the first pressure chamber ; a fluid passage connecting to the third pressure chamber ; and a pressure system to selectively provide pressurized fluid to the first pressure chamber and/or to the third pressure chamber for influencing movement of the piston rod and piston axially with respect to the cylinder . <EOS>