The following is a (partial) listing of vehicle model numbers or M-numbers assigned by the United States Army. Some of these designations are also used by other agencies, services, and nationalities, although these various end users usually assign their own nomenclature. M1 to M99 for non sequential numbers, like M1 Abrams, see bottom of list. M1 Combat Car, also known as the M1 Light Tank M1 light motorcycle M2 Light tank, .5" MG or 37 mm gun, 11-ton M2 Medium Tank M2 Combat Car, (G38) M3 Medium tank (Lee/Grant), 28-ton, 37 mm and 75 mm gun M3 Light tank, (Stuart)12-ton, M4 Medium tank (Sherman), 30-ton, 75/76 mm gun M5 Light tank, (Stuart) M6 Heavy tank, 60-ton M7 Medium tank (G137) M8 Light Armored Car (Greyhound) M22 Locust Tank, light, airborne, 37 mm gun M24 Chaffee Tank, light, 18-ton, 75 mm gun M26 Pershing Tank, medium (originally classified as heavy), full-track, 47-ton, 90 mm M26E1 Pershing Tank, medium, full-track, 47-ton, 90 mm M26E2 Pershing Tank, medium, full-track, 48.5-ton, 90 mm M27 Medium tank, Detroit Arsenal M28 Cargo carrier (G154) M29 Weasel Carrier, cargo, full-track, 1/2-ton, amphibious (G179) M30 Cargo carrier (G158) based on M4 Sherman M31 Tank recovery vehicle (M3 Grant) M32 Recovery vehicle (M4 Sherman) M32A1 Recovery vehicle, medium, 16 inch full-track M32A1B1 Recovery vehicle, medium, 23 inch full-track (M4A1 chassis) M32A1B2 Recovery vehicle, medium, full-track M32A1B3 Recovery vehicle, medium, full-track M32B1 Recovery vehicle, medium, crane & a-frame, f-t, (M4A1 chassis) M32B2 Recovery vehicle, medium, 16 inch track, (M4A4 chassis) M33 Tank, prime mover, medium, full-track, 31-ton, (G222) M34 Tank, prime mover, medium, full-track, 31-ton, (M32B1 converted) M35 Tank, prime mover, turret removed, full-track, (M10A1 hull) M39 Armored Utility Vehicle, full-track, converted M18 M41 Walker Bulldog Tank, light, 23.5-ton, 76 mm gun M41A1 Tank, combat, light, pintle mounted mg, full-track, 76 mm M41A2 Tank, combat, light, new turret traverse, full-track, 76 mm M41A3 Tank, combat, light, fuel injection engine, full-track, 76 mm M45 medium tank, (G226) M46 Patton tank, combat, medium, full-track, 90 mm, 48.5-ton M46A1 tank, combat, medium, slope side turret, full-track, 90 mm, 48.5-ton M46E1 tank, combat, medium, .30 cal mg fender kit, full-track, 90 mm M47 Patton tank, combat, M46 w/T42 turret, full-track, 90 mm, 48.5-ton M48 Patton tank, combat, full-tracked, 90 mm, 49-ton (1951) M48A1 tank, combat, gun stabilized in elevation and azimuth, 90 mm M48A1E1 tank, combat, full-track, British 105 mm (M48A1 chassis) M48A1E2 tank,