A crane for moving loads , comprising an arm for supporting the load which is telescopically movable in a plurality of positions of extension included between a retracted position and a position of maximum extension and a plurality of sliding members ; the supporting arm being rotatable angularly, in particular horizontally, relative to a respective axis of rotation (P) of the crane and it can be positioned in different angular positions of rotation; the crane also comprising means which are designed to stabilise the crane to avoid the risk of overturning during the working operations of the arm , the stabilising means being configurable in a plurality of stabilising configurations of the crane ; indicator means which are designed to indicate, in particular to the user of the crane , the maximum load which can be lifted by the arm of the crane , as a function of the condition of extension of the arm and/or the respective angular position of rotation of the arm ; means for controlling the load movement arm of the crane ; - the indicator means are located at the control means of the crane ; characterised in that - the indicator means comprise a respective screen page, on a corresponding display unit of the crane , the screen page comprising symbols indicating the number of sliding members which are in an extended condition; - the screen page comprises a plurality of zones , in particular situated at the symbols, in particular alongside the symbols , in which is indicated, or displayed, the respective value of the maximum load in the respective condition of extension of the arm of the crane ; - there are means for displaying in succession, on the display means of the crane , the values of maximum load as a function of the number of sliding members of the arm which are in the extended condition, at respective angular positions of rotation of the arm , the displaying means comprising respective key means ; - the screen page comprising an area in which is indicated, or displayed, the respective angular position of rotation for which are indicated, or displayed, the values of maximum load which can be lifted . - the indicator means are located at the control means of the crane ; - the indicator means comprise a respective screen page, on a corresponding display unit of the crane , the screen page comprising symbols indicating the number of sliding members which are in an extended condition; - the screen page comprises a plurality of zones , in particular situated at the symbols, in particular alongside the symbols , in which is indicated, or displayed, the respective value of the maximum load in the respective condition of extension of the arm of the crane ; - there are means for displaying in succession, on the display means of the crane , the values of maximum load as a function of the number of sliding members of the arm which are in the extended condition, at respective angular positions of rotation of the arm , the displaying means comprising respective key means ; - the screen page comprising an area in which is indicated, or displayed, the respective angular position of rotation for which are indicated, or displayed, the values of maximum load which can be lifted . <EOS>