List of American Motor Carriages

Overview

This article serves as a way to list all known American self-propelled weapon carriages developed in the interwar period through to the early Cold War when the designation system changed.

Nomenclature

Designation	Abbr.	Use / Notes
Carriage, Motor, Combination Gun, M/T#	CGMC	Primarily used for anti-aircraft, featuring mixed weaponry. Note that other vehicles may have additional weapons, and this designation was used inconsistently.
Carriage, Motor, <caliber> Gun, M/T# Carriage, Motor, Twin <caliber> Gun, M/T#	GMC	Used for tank destroyers, direct artillery (field guns, etc.), and for various alternate roles such as anti-aircraft.
Carriage, Motor, <caliber> Howitzer, M/T#	HMC	Primarily used for indirect artillery.
Carriage, Motor, Multiple Gun, M/T#	MGMC	Primarily used for anti-aircraft, but some are designated for use in ground fire support roles.
Carriage, Motor, <caliber> Mortar, M/T#	MMC
Carriage, Motor, Rocket, M/T#	RMC

List

M	Designation	Nickname	Weaponry	Based on	T
M1	?		?	?	?
M2	?		?	?	?
M3	Carriage, Motor, 75mm Gun, M3				T12
M3A1	Carriage, Motor, 75mm Gun, M3A1
M4	Carrier, 81mm Mortar, Half-Track, M4		Mortar, 81mm, M1
M4A1	Carrier, 81mm Mortar, Half-Track, M4A1		Mortar, 81mm, M1
M5	Carriage, Motor, 3-inch Gun, M5				T1
M6	Carriage, Motor, 37mm Gun, M6
M7	Carriage, Motor, 105mm Howitzer, M7	Priest			T32
M7B1	Carriage, Motor, 105mm Howitzer, M7B1	Priest
M7B2	Carriage, Motor, 105mm Howitzer, M7B2	Priest
M8	Carriage, Motor, 75mm Gun, M8	Scott
M8	Carriage, Motor, 75mm Howitzer, M8	Scott			T47
M9	Carriage, Motor, 3-inch Gun, M9			M3 MT	T40
M10	Carriage, Motor, 3-inch Gun, M10			M4A2 MT	T35E1
M10A1	Carriage, Motor, 3-inch Gun, M10A1			M4A3 MT
M11	?		?	?	?
M12	Carriage, Motor, 155mm Gun, M12				T6
M13	Carriage, Motor, Multiple Gun, M13				T1E4
M14	Carriage, Motor, Multiple Gun, M14
M15	Carriage, Motor, (?) Gun, M15
M15A1	Carriage, Motor, (?) Gun, M15A1
M16	Carriage, Motor, Multiple Gun, M16				T58
M16A1	Carriage, Motor, Multiple Gun, M16A1
M16A2	Carriage, Motor, Multiple Gun, M16A2
M16B	Carriage, Motor, Multiple Gun, M16B
M17	Carriage, Motor, Multiple Gun, M17
M18	Carriage, Motor, 76mm Gun, M18				T70
M19	Carriage, Motor, Twin 40mm Gun, M19	Copperhead			T65E1
M19A1	Carriage, Motor, Twin 40mm Gun, M19A1	Copperhead
M20	?	?	?	?	?
M21	Carrier, 81mm Mortar, Half-Track, M21 (?)		Mortar, 81mm, M1	M3 Half-Track	T19
M22	?	?	?	?	?
M23	?	?	?	?	?
M24	?	?	?	?	?
M25	?	?	?	?	?
M26	?	?	?	?	?
M27	?	?	?	?	?
M27	?	?	?	?	?
M28	?	?	?	?	?
M29	?	?	?	?	?
M30	?	?	?	?	?
M31	?	?	?	?	?
M32	?	?	?	?	?
M33	?	?	?	?	?
M34	Carriage, Motor, 40mm Gun, M34
M35	?	?	?	?	?
M36	Carriage, Motor, 90mm Gun, M36				T71E1
M36B1	Carriage, Motor, 90mm Gun, M36B1
M36B2	Carriage, Motor, 90mm Gun, M36B2
M37	Carriage, Motor, 105mm Howitzer, M37	New Priest		T24 LT	T76
M38	?	?	?	?	?
M39	?	?	?	?	?
M40	Carriage, Motor, 155mm Gun, M40				T83
M41	Carriage, Motor, 155mm Howitzer, M41				T64E1
M42	?	?	?	?	?
M43	Carriage, Motor, 8-inch Gun, M43				T93

T	Designation	Nickname	Weaponry	Based on	M
T1	Carriage, Motor, 4.2-inch Mortar, T1		4.2-inch Mortar	T1E1 Carrier
T1	Carriage, Motor, 3-inch Gun, T1		3-inch Gun		M5
T1	Carriage, Motor, 40mm Gun, T1		40mm Gun
T1	Carriage, Motor, 75mm Howitzer, T1		75mm Howitzer	T2 TDC
T1	Carriage, Motor, Multiple Gun, T1
T1E1	Carriage, Motor, Multiple Gun, T1E1
T1E2	Carriage, Motor, Multiple Gun, T1E2
T1E3	Carriage, Motor, Multiple Gun, T1E3
T1E4	Carriage, Motor, Multiple Gun, T1E4				M13
T2	Carriage, Motor, 37mm Gun, T2		37mm Gun
T2E1	Carriage, Motor, 37mm Gun, T2E1		37mm Gun
T2	Carriage, Motor, 4.2-inch Mortar, T2		4.2-inch Mortar
T3	Carriage, Motor, 75mm Howitzer, T3		75mm Howitzer	M1 CC
T3	Carriage, Motor, 81mm Mortar, T3		81mm Mortar
T4	Carriage, Motor, 81mm Mortar, T4		81mm Mortar
T5	Carriage, Motor, 4.2-inch Mortar, T5		4.2-inch Mortar
T5E1	Carriage, Motor, 4.2-inch Mortar, T5E1		4.2-inch Mortar
T6	Carriage, Motor, 37mm Gun, T6		37mm Gun
T6	Carriage, Motor, 155mm Gun, T6				M12
T6	Carriage, Motor, Multiple Gun, T6
T6E1	Carriage, Motor, Multiple Gun, T6E1
T7	Carriage, Motor, 3-inch Gun, T7
T8	Carriage, Motor, 37mm Gun, T8		37mm Gun
T9	Carriage, Motor, 105mm Howitzer, T9			Cletrac MG-2
T10	Carriage, Motor, Multiple Gun, T10
T10E1	Carriage, Motor, Twin 20mm Gun, T10E1
T11	n/a
T12	Carriage, Motor, 75mm Gun, T12				M3
T13	Carriage, Motor, 37mm Gun, T13		37mm Gun
T14	Carriage, Motor, 37mm Gun, T14		37mm Gun
T15	Carriage, Motor, 3-inch Gun, T15
T16	Carriage, Motor, 4.5-inch Gun, T16		4.5-inch	M5 LT
T16E1	Carriage, Motor, 4.5-inch Gun, T16E1			T24 LT
T17	Carriage, Motor, 75mm Howitzer, T17			M1E3 CC
T17E3	Carriage, Motor, 75mm Howitzer, T17E3
T17E1	Carriage, Motor, Twin 20mm Gun, T17E1
T18	Carriage, Motor, 75mm Howitzer, T18			M3 LT
T19	Carriage, Motor, 105mm Howitzer, T19
T20	Carriage, Motor, 3-inch Gun, T20		Gun, 3-inch, T9	M3 LT
T21	Carriage, Motor, 37mm Gun, T21
T22	Carriage, Motor, 37mm Gun, T22
T22E1	Carriage, Motor, 37mm Gun, T22E1
T23	Carriage, Motor, 37mm Gun, T23
T23E1	Carriage, Motor, 37mm Gun, T23E1
T24	Carriage, Motor, 3-inch Gun, T24			M3 MT
T25	Carriage, Motor, 105mm Gun, T25
T25	Carriage, Motor 105mm Howitzer, T25
T26	Carriage, Motor, 75mm Gun, T26
T27	Carriage, Motor, 75mm Gun, T27
T27	Carriage, Motor, 81mm Mortar, T27			M5A1 LT
T27E1	Carriage, Motor, 81mm Mortar, T27E1			M5A1 LT
T28	Carriage, Motor, Multiple Gun, T28
T28E1	Carriage, Motor, Multiple Gun, T28E1
T29	Carriage, Motor, 75mm Gun, T29			M3 LT
T29	Carriage, Motor, 4.2-inch Mortar, T29			M5A1 LT
T30	Carriage, Motor, 75mm Howitzer, T30
T31	Carriage, Motor, Multiple Gun, T31
T32	Carriage, Motor, 105mm Howitzer, T32				M7
T33	Carriage, Motor, 37mm Gun, T33
T34	Carriage, Motor, 105mm Howitzer, T34
T35	Carriage, Motor, 3-inch Gun, T35
T35E1	Carriage, Motor, 3-inch Gun, T35E1				M10
T36	Carriage, Motor, 40mm Gun, T36
T37	Carriage, Motor, Multiple Gun, T37
T37E1	Carriage, Motor, Multiple Gun, T37E1
T38	Carriage, Motor, 105mm Howitzer, T38
T38	Carriage, Motor, Mortar, 4.2-inch, T38
T39	Carriage, Motor, 105mm Howitzer, T39
T40	Carriage, Motor, 3-inch Gun, T40			M3 MT	M9
T41	Carriage, Motor, 75mm Howitzer, T41			M5 LT
T42	Carriage, Motor, 37mm Gun, T42			T9 LT
T43	Carriage, Motor, 37mm Gun, T43
T44	Carriage, Motor, 37mm Gun, T44
T44	Carriage, Motor, 57mm Gun, T44
T45	Carriage, Motor, 105mm Howitzer, T45
T46	Carriage, Motor, 75mm Howitzer, T46
T47	Carriage, Motor, 75mm Howitzer, T47			M5 LT	M8
T47	Carriage, Motor, 105mm Howitzer, T47
T48	Carriage, Motor, 57mm Gun, T48			M3 Half-Track
T49	Carriage, Motor, 37mm Gun, T49
T49	Carriage, Motor, 57mm Gun, T49		Gun, 57mm, M1	n/a
T50	Carriage, Motor, 3-inch Gun, T50
T51	Carriage, Motor, 25 Pounder Gun, T51
T52	Carriage, Motor, Multiple Gun, T52
T53	Carriage, Motor, 90mm Gun, T53
T53E1	Carriage, Motor, 90mm Gun, T53E1
T54	Carriage, Motor, 40mm Gun, T54
T54E1	Carriage, Motor, 40mm Gun, T54E1
T55	Carriage, Motor, 3-inch Gun, T55
T55E1	Carriage, Motor, 3-inch Gun, T55E1
T56	Carriage, Motor, 57mm Gun, T56 (?)
T56	Carriage, Motor, 3-inch Gun, T56		3-inch	M3A3 LT
T57	Carriage, Motor, 3-inch Gun, T57		3-inch	M3A3 LT
T58	Carriage, Motor, Multiple Gun, T58				M16
T59	Carriage, Motor, 40mm Gun, T59
T59E1	Carriage, Motor, 40mm Gun, T59E1
T60	Carriage, Motor, 40mm Gun, T60
T60E1	Carriage, Motor, 40mm Gun, T60E1
T61	Carriage, Motor, Multiple Gun, T61
T61E1	Carriage, Motor, Multiple Gun, T61E1
T62	Carriage, Motor, Rocket, T62
T63	Carriage, Motor, Multiple Rocket Projector, T63
T64	Carriage, Motor, 155mm Howitzer, T64			M5 LT
T64E1	Carriage, Motor, 155mm Howitzer, T64E1			T24 LT
T65	Carriage, Motor, 40mm Gun, T65			M5 LT
T65E1	Carriage, Motor, Multiple Gun, T65E1			T24 LT	M19
T65E2	Carriage, Motor, Multiple Gun, T65E2
T66	Carriage, Motor, 75mm Gun, T66
T67	Carriage, Motor, 75mm Gun, T67
T68	Carriage, Motor, Twin 40mm Gun, T68
T69	Carriage, Motor, Multiple Gun, T69
T70	Carriage, Motor, 76mm Gun, T70				M18
T71	Carriage, Motor, 90mm Gun, T71
T71E1	Carriage, Motor, 90mm Gun, T71E1
T72	Carriage, Motor, 76mm Gun, T72
T73	Carriage, Motor, 75mm Gun, T73
T74	Carriage, Motor, Multiple Gun, T74
T75	Carriage, Motor, Multiple Rocket, T75
T76	Carriage, Motor, 105mm Howitzer, T76			T24 LT	M37
T77	Carriage, Motor, Multiple Gun, T77			T24 LT
T77E1	Carriage, Motor, Multiple Gun, T77E1			T24 LT
T78	Carriage, Motor, 90mm Gun, T78				M36
T79	Carriage, Motor, 155mm Gun, T79
T80	Carriage, Motor, 8-inch Howitzer, T80
T81	Carriage, Motor, Combination Gun, T81
T82	Carriage, Motor, 75mm Howitzer, T82
T82	Carriage, Motor, 105mm Howitzer, T82			M5A1 LT
T83	Carriage, Motor, 155mm Gun, T83				M40
T84	Carriage, Motor, 8-inch Howitzer, T84		8-inch
T85	Carriage, Motor, Multiple 20mm Gun, T85			M5 LT
T85E1	Carriage, Motor, Multiple 20mm Gun, T85E1			M5 LT
T86	Carriage, Motor, 76mm Gun, T86
T86E1	Carriage, Motor, 76mm Gun, T86E1
T87	Carriage, Motor, 105mm Howitzer, T87
T87E1	Carriage, Motor, 105mm Howitzer, T87E1
T88	Carriage, Motor, 105mm Howitzer, T88			M18 GMC
T89	Carriage, Motor, 8-inch Howitzer, T89
T90	Carriage, Motor, 155mm Mortar, T90
T91	n/a
T92	Carriage, Motor, 240mm Gun, T92
T93	Carriage, Motor, 8-inch Gun, T93				M43
T94	Carriage, Motor, 10-inch Mortar, T94
T95	Carriage, Motor, 105mm Gun, T95
T96	Carriage, Motor, 155mm Mortar, T96
T97	Carriage, Motor, 155m Gun, T97
T98	Carriage, Motor, 155mm Gun, T97
T99	Carriage, Motor, 155mm Howitzer, T99
T100	Carriage, Motor, Multiple Gun, T100
T101	n/a
T102	n/a
T103	n/a
T104	n/a
T105	n/a
T106	Carriage, Motor, 105mm Rifle, T106
T107	n/a
T108	Carriage, Motor, 8-inch Howitzer, T108
T109 - T165	n/a
T166	Carriage, Motor, ? Gun, T166