The internal combustion profiling rail grinder machine is a small machine used for profiling and grinding the rail head after rail welding and rail damage welding repair. It makes the rail smooth and smooth after profile grinding, and maintains the original rail head contour size.The internal combustion profiling rail grinding machine is suitable for 43-75kg / M various types of rail in the welding base or ultra long seamless track laying site welding and rail head welding repair grinding operation.