A direct drive mud pump comprising: a permanent magnet motor, a shaft connected to said permanent magnet motor; and a pump head connected to an end of said shaft opposite said permanent magnet motor, wherein said permanent magnet motor comprises a rotor cooperative with a stator characterized in that said permanent magnet motor comprises a housing comprising an interior chamber and a wall surrounding said interior chamber, the stator being positioned adjacent said wall of said housing; said stator positioned within said housing, said stator having a plurality of windings and an outer cover, said plurality of windings being in spaced relationship around an inner surface of said outer cover, the interior surface of the windings defining a cylindrical aperture, said windings extending radially inwardly from said outer cover, the outer cover forming a spaced relationship between said plurality of windings and said wall; wherein the rotor is positioned interior of said stator within said housing. a permanent magnet motor, a shaft connected to said permanent magnet motor; and a pump head connected to an end of said shaft opposite said permanent magnet motor, wherein said permanent magnet motor comprises a rotor cooperative with a stator wherein said permanent magnet motor comprises a rotor cooperative with a stator a rotor cooperative with a stator characterized in that said permanent magnet motor comprises a housing comprising an interior chamber and a wall surrounding said interior chamber, the stator being positioned adjacent said wall of said housing; said stator positioned within said housing, said stator having a plurality of windings and an outer cover, said plurality of windings being in spaced relationship around an inner surface of said outer cover, the interior surface of the windings defining a cylindrical aperture, said windings extending radially inwardly from said outer cover, the outer cover forming a spaced relationship between said plurality of windings and said wall; wherein the rotor is positioned interior of said stator within said housing. said permanent magnet motor comprises a housing comprising an interior chamber and a wall surrounding said interior chamber, the stator being positioned adjacent said wall of said housing; said stator positioned within said housing, said stator having a plurality of windings and an outer cover, said plurality of windings being in spaced relationship around an inner surface of said outer cover, the interior surface of the windings defining a cylindrical aperture, said windings extending radially inwardly from said outer cover, the outer cover forming a spaced relationship between said plurality of windings and said wall; wherein the rotor is positioned interior of said stator within said housing. a housing comprising an interior chamber and a wall surrounding said interior chamber, the stator being positioned adjacent said wall of said housing; said stator positioned within said housing, said stator having a plurality of windings and an outer cover, said plurality of windings being in spaced relationship around an inner surface of said outer cover, the interior surface of the windings defining a cylindrical aperture, said windings extending radially inwardly from said outer cover, the outer cover forming a spaced relationship between said plurality of windings and said wall; wherein the rotor is positioned interior of said stator within said housing.