Model Variants (Including Prototypes)
M113 - Initial production variant; Chrysler 75M gasoline engine of 209 horsepower; model of 1960.
M113A1 - Detroit Diesel diesel-fueled engine; improved performance; model of 1964.
M113A2 - Updated suspension and cooling package; model of 1979
M113A3 - Modernized M113; improved suspension, performance and powerpack; support for applique armor; software upgrades; model of 1987.
M58 Wolf - Smoke Generator Vehicle
M106 - 107mm Mortar Carrier
M125A1 - 81mm Mortar Carrier
M163 Vulcan - Air Defense Vehicle
M548 - Cargo Carrier
M667 Lance - Battlefield Missile Carrier
M730 Chaparral - Battlefield Missile Carrier
M548A1/A3 - Unarmored Cargo Carrier
M577A2/A3 - Command Post Vehicle
M901A1 ITV - Improved TOW Vehicle
M981 FIST-V - Fire Support Team Vehicle
M1059/A3 - Smoke Generator Vehicle
M1064/A3 - Mortar Carrier
M1068/A3 - Standard Integrated Command Post System Carrier
OPFOR Surrogate Vehicle (OSV) - OPposing FORces development
M113 ACAV ("Armored CAvalry Vehicle") - Additional armor protection; shielded machine gun stations.
NM135 - Norwegian Army Variant; 1 x 20mm cannon in one man turret; 1 x 7.62mm machine gun.
NM142 - Norwegian Army Variant; 2 x TOW anti-tank missiles.
SIDAM 25 - Italian Army Variant; 4 x 25mm SPAAG guns (M113 chassis).
ADATS - Canadian-produced Air Defense Anti-Tank System (M113 chassis).
M113 A/A - Egyptian Army anti-aircraft variant; 2 x 23mm cannons.
ADATS - Air Defense Vehicle of Canada