AT-3

Overview

Anti-Tank Artillery Proposal AT-3
General Data
Type	Tank Destroyer
Place of Origin	File:USA (48S) 1912-1959.svg United States of America
Designed	1952
Number Built	0
Development
Developed From	M50 Ontos
Armament
Main Gun	105mm T140 L/67.3
Defence
Armour Layout	1.27mm
Dimensions
Weight	15.15t
Automotive
Power/Weight	28.7hp/t
Engine Characteristics	435.1hp

The AT-3 (Full name: Anti-Tank Artillery Proposal AT-3) is an American concept for a tank destroyer. It was proposed at the Questionmark II Conference in September 1952, along with the AT-1, AT-2, and two Ontos designs with one having four .30 caliber machine guns, and the other having eight.

Flag of the United States of America Land Vehicles of the United States of America - Modern Flag of the United States Army

Tracked Vehicles
Light Tanks	Light Tank	M8 (XM8) • Stingray (II)
	Light Tank, Amphibious	AAAV • M551 Sheridan (A1, XM551)
	IFV	M2 Bradley (A1 • A2 • A3) • M3 Bradley • M116 • MICV-65 • XM729 • XM701 • XM734 • XM800T • XM1202
Medium Tanks	Main Battle Tank	120S • CATTB • Lockheed-Martin Thumper • M1 Abrams (IP • E1 • A1 • A1AIM • A1D • A1FEP • A1HA • A1HC • A2 • A2SEPv1 • A2SEPv2 • A2SEPv3 • A3) • M1 Thumper • M60 (A1 • A1 (AOS) • A1 RISE • A1 RISE Passive • A1E1 • A1E2 • A1E3 • A1E4 • A2 • A3 • TTS • A3 SLEP • AX • 2000) • XM1-FSED Abrams • XM66 • XM803
Self-Propelled Guns	SPAA	M6 Bradley Linebacker • M42 (M42A1) • M113A2 ADATS • M163 • M247 Sergeant York • M741 • T100 • T141 (E1) • T149 • TS-11 • XM166 • XM246 • XM247
	ATGMV	M901 ITV (A1 • A2 • A3) • T149
	SPAT	M56 • SARAH • T86 • T101 • T114
	SPFT	M132 (A1)
	SPM	105mm LA-3 • 105mm M52 • 105/110mm LA-7 • 155mm M44 (A1) • 155mm M53 • 155mm M109 (A1 • A2 • A2B • A3 • A3B • A4 • A5 • A5+ • A6) • 155mm T94E1 • 155mm T194E1 • 155mm XM2001 Crusader • 175mm M107 • 175mm T235 • 203.2mm M55 • 203.2mm M110 • 203.2mm T93 • 240mm T92 • TS-12 • TS-13 • TS-27
	Self-Propelled Missile Launcher	M474 • M548 • M667 • M688 • M727 • M730 (A1 • A2) • M752 • XM474 (E1 • E2) • XM476 • XM546 (E1) • XM548 (E1) • XM730
	SPM	81mm M125 (A1 • A2) • 81mm T257 (107mm E1) • 81mm XM755 • 107mm M106 (A1 • A2) • 107mm XM106 • 120mm M1064
	SPRG	AT-1 • AT-2 • M50 Ontos (A1) • T164 • T165 (E2) • T166 • T167
	Self-Propelled Rocket Artillery	M270 MLRS (A1)
Explosive Related	Mine Laying	[[]]
	Mine Clearing / Sweeping	M1 Panther II • M60 • M60 Panther
Misc Tanks	Ammunition Carrier	M992
	APC	M1 Grizzly • M58 Wolf • M75 • M113 (A1 • A1E1 • A2 • A2E1 • A3 • E2) • M1059 (A3) • T55 • T56 • T113 (E1 • E2) • T117 • XM45 (E1) • XM733 (E1) • XM1108
	ARV	M1 • M51 • XM696 • XM806 (E1)
	Bridge Laying	M48A2 • M48A5 • M60 • M60A1 • M104 Wolverine
	Cargo	M116 • M548 • T60 • T107 • XM548 (E1)
	Command	M4 C2V • M577 • M1068
	EW	M1015
	Engineering & Maintenance	M579 Fitter • M728 • M728A1 • T118
	Land Clearing	M60 with M9 Bulldozer
	Landing Craft	LVTP-5
	Medical	M113 AMEV
	Observation, Spotting & Survey	M113 OSV • M981 FISTV
	Training	M551 NTC
	Utility	T122

Half-Tracked Vehicles
Transport	[[]]
Trucks	[[]]
Amphibious Transport	[[]]
Gun Motor Carriages (GMC)	M34, 40mm • T19, 40mm
Howitzer Motor Carriages (HMC)	[[]]
Multiple Gun Motor Carriages (MGMC)	M16 (A1 • A2 • B)
Mortar Motor Carriages (MMC)	[[]]
Utility	[[]]

Wheeled Vehicles
Offensive / Defensive	Armament Carrier	M1025 (A1) • M1026 (A1) • M1043 (A1 • A2) • M1044 (A1) • M1114 • M1116
	Armored Cars	T55 • XM800W • XM808
	Directed Energy Weapon Carrier	HLONS
	Infantry Fighting Vehicles	LAV-25 (A1 • A2) • LAV-300 • LAV-600 • M1126 ICV
	Self-Propelled Anti-Aircraft Gun & SAM	AN/TWQ-1 Avenger • LAV-AD • M998 Avenger • M1097 Avenger
	Self-Propelled Anti-Tank Guided Missile	LAV-AT • M966 (A1) • M1025A2 • M1036 • M1045 (A1 • A2) • M1046 (A1) • M1115 • M1121 • M1134 ATGMV • M1167
	Self-Propelled Mortar	Dragon Fire • LAV-EFSS • LAV-M • M1129 MCV
	Self-Propelled Rocket Artillery	M142 HIMARS
	Tank Destroyer	M1128 MGS
Other	Ammunition Carrier	[[]]
	APC	[[]]
	Cargo	M923 • M924 • M925 • M926 • M927 • M928 • M939 • M998 (A1) • M1038 (A1) • M1097 (A1 • A2) • M1123 • M1113
	Command	LAV-C2 • M1130 CV
	Engineering	LAV-R • M929 • M930 • M931 • M932 • M936 • M1132 ESV
	IMV	Buffalo • Caiman • Cheetah • Cougar • M1025 (M • N • R • S • T) • M1113 (M • N • R • S • T) • M-ATV • MaxxPro • MRAP (II) • RG-31 • RG-33 • ULTRA AP (II)
	Medical	M996 • M997 (A1 • A2) • M1035 (A1 • A2) • M1133 MEV
	MRAP	M1240 (A1) • M1245 (A1) • M1277
	Observation, Spotting & Survey	M1131 FSV
	Shelter Carrier	M1037 • M1042 • M1097A2 • M1113
	Reconnaissance	DPV • LSV • M1127 RV
	Transport & Towing	M939 • M998 (A1) • M1038 (A1) • M1069 • M1097 (A1 • A2) • M1123 • M1113 • M1116 • M1151 • M1152 • M1165
	Utility	JLTV • LAV-LOG • LAV-MEWSS • M934 • M935 • M939 • M1097A2

• Hidden
• Online
• Books

SHERIDAN

• Full title: SHERIDAN A History of the American Light Tank Volume 2
• Authors: R. P. Hunnicutt
• Year: 1995
• ISBN: 0-89141-570-X
• Pages: 197