Testing machine for a vehicle wheel comprising: - a base frame, suitable for resting on a support surface; - a rotating drum rotatably supported by the base frame around a drum axis; - rotating drum actuating means, for the rotation of the rotating drum around the drum axis; - a wheel movement device, suitable for rotatably supporting the vehicle wheel around a wheel axis and for moving the vehicle wheel from a position spaced from the rotating drum to a position in contact with the rotating drum; wherein the wheel movement device is rotatably supported by the base frame around a slip rotation axis, said slip rotation axis being incident or perpendicular to a plane tangent to the contact point between the vehicle wheel and the rotating drum so that following a rotation of the wheel movement device around the slip rotation axis, the vehicle wheel is rotated according to a lateral slip angle (α); wherein the wheel movement device is rotatably supported by the base frame around a camber rotation axis, said camber rotation axis being perpendicular to the wheel axis and to the slip rotation axis, so that following a rotation of the wheel movement device around the camber rotation axis, the vehicle wheel is rotated according to a camber angle (β), wherein the wheel movement device comprises a carriage suitable for rotatably supporting the vehicle wheel around the wheel axis, said carriage being movable along a horizontal direction parallel to the slip rotation axis; said testing machine further comprising: a slewing ring and a slewing ring support frame, wherein said slewing ring is rotatably supported by the slewing ring support frame around the slip rotation axis; a carriage support which supports the carriage and which is constrained to the slewing ring so as to be integral in rotation with the slewing ring; characterised in that: the slewing ring support frame is rotatably supported by the base frame around the camber rotation axis. - a base frame, suitable for resting on a support surface; - a rotating drum rotatably supported by the base frame around a drum axis; - rotating drum actuating means, for the rotation of the rotating drum around the drum axis; - a wheel movement device, suitable for rotatably supporting the vehicle wheel around a wheel axis and for moving the vehicle wheel from a position spaced from the rotating drum to a position in contact with the rotating drum; wherein the wheel movement device is rotatably supported by the base frame around a slip rotation axis, said slip rotation axis being incident or perpendicular to a plane tangent to the contact point between the vehicle wheel and the rotating drum so that following a rotation of the wheel movement device around the slip rotation axis, the vehicle wheel is rotated according to a lateral slip angle (α); wherein the wheel movement device is rotatably supported by the base frame around a camber rotation axis, said camber rotation axis being perpendicular to the wheel axis and to the slip rotation axis, so that following a rotation of the wheel movement device around the camber rotation axis, the vehicle wheel is rotated according to a camber angle (β), wherein the wheel movement device comprises a carriage suitable for rotatably supporting the vehicle wheel around the wheel axis, said carriage being movable along a horizontal direction parallel to the slip rotation axis; said testing machine further comprising: a slewing ring and a slewing ring support frame, wherein said slewing ring is rotatably supported by the slewing ring support frame around the slip rotation axis; a carriage support which supports the carriage and which is constrained to the slewing ring so as to be integral in rotation with the slewing ring; characterised in that: the slewing ring support frame is rotatably supported by the base frame around the camber rotation axis. a slewing ring and a slewing ring support frame, wherein said slewing ring is rotatably supported by the slewing ring support frame around the slip rotation axis; a carriage support which supports the carriage and which is constrained to the slewing ring so as to be integral in rotation with the slewing ring; characterised in that: the slewing ring support frame is rotatably supported by the base frame around the camber rotation axis.