M1, M01 or M-1 may refer to:
M4 or M-4 most often refers to:
M3, M-3 or M03 may refer to:
M2, M-2, M.2 or M02 may refer to:
M8 or M-8 or M.08 or variant, may refer to:
M9, M-9 most often refers to:
M20, M-20, or M.20 may refer to:
M6, M06, M.6, or M-6 may refer to:
M7, M-7, or M.7 may refer to:
M5, M-5, M.5, M-V, or M05 may refer to:
M10, M-10 or M 10 may refer to:
M12 or M-12 or M.12 may refer to:
M30 or M-30 may refer to:
M55 or M-55 may refer to:
M44 or M-44 may refer to:
M14, M-14, or M.14 most often refers to:
The M5 13-ton high-speed tractor was a World War II era artillery tractor that was used by the US Army from 1942 to tow medium field artillery pieces.