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

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