Abstract: A rail cutting machine with an engine block rotating a grinding wheel and a support guiding the grinding wheel in its plane transversely of the rail while being pivotally connected onto a vice to be fastened to the rail the grinding wheel being mounted at one end of an an-n pivotally connected with its other end to the engine block about an axis parallel to the pivot axis] on the vice and to the longitudinal axis of the rail, the engine block being permanently connected to the vice so that it may not be turned over horizontally and may not be turned upside down vertically so as to always be on a same side of the plane of the grinding wheel with respect to the vice.

Abstract: A machine-tool for cutting off rails comprising a motor block, an arm carrying a grinding wheel at its end and a machine-tool carrying holder to be secured onto the rail, said holder comprising two hingedly interconnected arms and pivoted with their free ends to said vice and said machine-tool, respectively.