A machine for extinguishing fires using material pulled up from the ground as extinguishing element, comprising: - a brush cutting module for removing brush from the surface of the ground comprising: - a height-adjustable support, - at least one cutting knife mounted on the support for cutting brush, - at least two panels for directing the cut brush, - an excavating module for excavating a superficial strip of ground, and - a throwing module for spraying the ground pulled up by the excavating module on a fire, the throwing module comprising: - a rotary shaft, - a flywheel integrally mounted on the rotary shaft, - radial blades integrally connected to the perimeter edge of the flywheel for spraying the pulled-up ground coming from pushing paddles, - a mobile surrounding casing having a substantially semicircular geometry, coaxial to the rotary shaft, provided with a through opening defined in the casing to allow the passage therethrough of the ground sprayed by the radial blades, and - a hydraulic drive for moving the casing and directing the sprayed ground, the machine being characterized in that: the flywheel incorporates spikes located on its perimeter edge alternating with the radial blades for additional crushing. - a brush cutting module for removing brush from the surface of the ground comprising: - a height-adjustable support, - at least one cutting knife mounted on the support for cutting brush, - at least two panels for directing the cut brush, - a height-adjustable support, - at least one cutting knife mounted on the support for cutting brush, - at least two panels for directing the cut brush, - an excavating module for excavating a superficial strip of ground, and - a throwing module for spraying the ground pulled up by the excavating module on a fire, the throwing module comprising: - a rotary shaft, - a flywheel integrally mounted on the rotary shaft, - radial blades integrally connected to the perimeter edge of the flywheel for spraying the pulled-up ground coming from pushing paddles, - a mobile surrounding casing having a substantially semicircular geometry, coaxial to the rotary shaft, provided with a through opening defined in the casing to allow the passage therethrough of the ground sprayed by the radial blades, and - a hydraulic drive for moving the casing and directing the sprayed ground, - a throwing module for spraying the ground pulled up by the excavating module on a fire, the throwing module comprising: - a rotary shaft, - a flywheel integrally mounted on the rotary shaft, - radial blades integrally connected to the perimeter edge of the flywheel for spraying the pulled-up ground coming from pushing paddles, - a mobile surrounding casing having a substantially semicircular geometry, coaxial to the rotary shaft, provided with a through opening defined in the casing to allow the passage therethrough of the ground sprayed by the radial blades, and - a hydraulic drive for moving the casing and directing the sprayed ground, - a rotary shaft, - a flywheel integrally mounted on the rotary shaft, - radial blades integrally connected to the perimeter edge of the flywheel for spraying the pulled-up ground coming from pushing paddles, - a mobile surrounding casing having a substantially semicircular geometry, coaxial to the rotary shaft, provided with a through opening defined in the casing to allow the passage therethrough of the ground sprayed by the radial blades, and - a hydraulic drive for moving the casing and directing the sprayed ground,