Model Variants (Including Prototypes)
T14 - Prototype Army Designation appearing in 1931; White Scout Car M2 hull with Kegresse half-track suspension system.
Half-Track Car M2 - Base Production Model based on the T14 prototype; production beginning in 1941 and operational service by May of that year.
Half-Track Personnel Carrier M3 - Lengthened hull; dedicated personnel carrier variant developed from the M2; White 160AX engine.
Half-Track Personnel Carrier M3A1 - Circular pulpit gun mount introduced
Half-Track M3A2 - Designed as mortar carrier, APC or air defense system.
Half-Track M3 - Communications Variant
Half-Track M3 - Ambulance Variant
Half-Track M3 - Artillery Tow Vehicle
Half-Track M3 - Mortar Carrier
Gun Motor Carriage M3 - Self-Propelled Gun Platform; fitted with 75mm main gun (M1897A4).
M16 MGMC - Quad-50 Air Defense Variant; 4 x .50 caliber heavy machine guns.
Half-Track Personnel Carrier M5 - Alternative production methodology; Lend-Lease production model.
Half-Track Personnel Carrier M5A1 - M5 with M49 machine gun mount
Half-Track Personnel Carrier M5A2 - M5 and M5A1 combination production
Half-Track Car M9
T-12/M3 GMC - 75mm Gun Motor Carriage
T12 HMC - 75mm or 105mm Pack Howitzer
T48 GMC - 57mm Gun Motor Carriage
T30 HMC - M1A1 75mm Gun Motor Carriage
T38 HMC - T7 105mm Pack Howitzer
T19 HMC - M2A1 105mm Howitzer
M21 MMC - 81mm Motor Mortar Carriage
T21 - 4.2 inch mortar carrier (never produced)
M13 MGMC - 2 x 12.7mm machine gun AA variant.
M16 MGMC - Shielded 2 x 12,7mm gun AA variant.
M16A2 MGMC - Addition of rear door to hull.
M17 - Based on M5 chassis for Lend-Lease to Soviet Union.
T58 - Quad-Fifty mount with electrically powered turret (prototype)
M15 CGMC - 2 x 12.7mm heavy machine guns fitted above 37mm autocannon with added crew protection.
M15A1 CGMC - 2 x 12.7mm machine guns fitted under 37mm autocannon.
M15 Special - Fitted with 40mm Bofors L/50 guns.
Various other minor prototype versions as well.
M3 Mk.A - Israeli Variant based on M5; RED-450 powerplants; various machine guns on M49 mount.
M3 Mk.B - Israeli Variant based on M5; used as command carriers.
M3 Mk.C - Israeli Variant based on M3; fitted with M1 81mm mortar.
M3 Mk.D - Israeli Variant based on M3 mortar carrier; fitted with 120mm Soltam mortar system; first appearing in 1960.
M3 TCM-20 - Israeli Variant based on M3 and M5 half-track series; fitted with Israeli-made TCM-20 turret mounting twin 20mm Hispano-Suiza HS404 cannons on Maxson turret systems.