A transportable system for cutting large metal materials (35; 135, 235), in particular large scrap pieces, comprising an oxy-fuel cutting device (1; 101, 201), and means (2; 102, 202) for handling said oxy-fuel cutting device (1; 101, 201) from a resting position to at least one operating position, - wherein said oxy-fuel cutting device (1; 101, 201) comprises at least one oxy-fuel cutting torch (1A; 100A, 201A), - a transportable and large-sized bearing structure (3; 103; 203) having a length of at least 3 m, preferably at least 6m, more preferably at least 6.085 m, and a width of at least 1.2 m, preferably at least 2.3 m, and more preferably at least 2.438 m, and preferably also a height of at least 1.2 m, preferably at least 2.3 m, more preferably at least 2.591 m. - and wherein said handling means (2; 102, 202) comprise at least one handling element (12; 112, 212) adapted to support said at least one oxy-fuel cutting torch and adapted to position itself in a resting position (R') in which said oxy-fuel cutting torch (1A; 100A, 201A), if associated with said handling element (12; 112, 212), is far from the material to be cut (35; 135, 235) and cannot be activated, and at least in one operating position (P') in which said oxy-fuel cutting torch (1A; 100A, 201A), when associated with said handling element (12; 112, 212), is located at the material to be cut and can be activated; characterized in that it comprises: - a transportable and large-sized bearing structure (3; 103, 203), comprising at least one bottom wall (3A; 103A, 203A) having a substantially rectangular shape, and delimiting a space adapted to house inside said shape at least said means (2; 102, 202) for handling said oxy-fuel cutting device (1; 101, 201) with said handling element(12; 112, 212) in a resting position (R'), - and in that said handling element (12; 112, 212) and said bearing structure (3; 103, 203) are shaped and dimensioned in such a way as to be able to move at least one portion (12B; 112B, 212B) of said handling element (12; 112, 212) which is adapted to carry said at least one oxy-fuel cutting torch (1A; 100A, 201A) from the inside of the bearing structure (3; 103, 203) to the outside of the bearing structure and vice versa, so as to move at least said handling element from the resting (R') to an operating (P') position and vice versa, - and in that at least in said operating position (P') of the handling element (12; 112, 212) said handling element (12; 112, 212) is adapted to support said at least one oxy-fuel cutting torch (1A; 100A, 201A). - wherein said oxy-fuel cutting device (1; 101, 201) comprises at least one oxy-fuel cutting torch (1A; 100A, 201A), - a transportable and large-sized bearing structure (3; 103; 203) having a length of at least 3 m, preferably at least 6m, more preferably at least 6.085 m, and a width of at least 1.2 m, preferably at least 2.3 m, and more preferably at least 2.438 m, and preferably also a height of at least 1.2 m, preferably at least 2.3 m, more preferably at least 2.591 m. - and wherein said handling means (2; 102, 202) comprise at least one handling element (12; 112, 212) adapted to support said at least one oxy-fuel cutting torch and adapted to position itself in a resting position (R') in which said oxy-fuel cutting torch (1A; 100A, 201A), if associated with said handling element (12; 112, 212), is far from the material to be cut (35; 135, 235) and cannot be activated, and at least in one operating position (P') in which said oxy-fuel cutting torch (1A; 100A, 201A), when associated with said handling element (12; 112, 212), is located at the material to be cut and can be activated; - a transportable and large-sized bearing structure (3; 103, 203), comprising at least one bottom wall (3A; 103A, 203A) having a substantially rectangular shape, and delimiting a space adapted to house inside said shape at least said means (2; 102, 202) for handling said oxy-fuel cutting device (1; 101, 201) with said handling element(12; 112, 212) in a resting position (R'), - and in that said handling element (12; 112, 212) and said bearing structure (3; 103, 203) are shaped and dimensioned in such a way as to be able to move at least one portion (12B; 112B, 212B) of said handling element (12; 112, 212) which is adapted to carry said at least one oxy-fuel cutting torch (1A; 100A, 201A) from the inside of the bearing structure (3; 103, 203) to the outside of the bearing structure and vice versa, so as to move at least said handling element from the resting (R') to an operating (P') position and vice versa, - and in that at least in said operating position (P') of the handling element (12; 112, 212) said handling element (12; 112, 212) is adapted to support said at least one oxy-fuel cutting torch (1A; 100A, 201A).