title: M46
text: # M46
  
  M46 or M-46 most often refers to:
  
  * M46 Patton, an American main battle tank
  * Messier 46, an open star cluster in the constellation Puppis
  * 130 mm towed field gun M1954 (M-46), a Soviet artillery piece
  
  M46 or M-46 may also refer to:
  
  * Volvo M46 transmission, a Volvo M45 (Four-speed) with an electric overdrive added
  * M-46 (Michigan highway), a state highway in Michigan
  * the 46th known Mersenne prime
  * M1946 Sieg automatic rifle
  * Halcón M-1943, an Argentine submachine gun
  * Madsen M/50, a Danish submachine gun
  * M46 (Cape Town), a Metropolitan Route in Cape Town, South Africa
  * M46 (Johannesburg), a Metropolitan Route in Johannesburg, South Africa
  * M46 (Durban), a Metropolitan Route in Durban, South Africa
  