M3A1 Lee

Medium Tank M3A1 Lee was an armored vehicle (tank, AFV or armoured fighting vehicle) in combat use during the Second World War (World War II or WWII) in various theaters. The M3A1 was a fully tracked all-terrain vehicle designed for military operations. M3A1, also known as the Lee, was produced and deployed by the US Army of the United States of America (USA). The technical drawing (plan, layout or profile) shows the general appearance characteristics of the specified model (version) of the M3A1 tank for purposes of identification and reference. For more detailed information about this armored fighting vehicle, refer to M3A1 Lee.

Country Name Origin Year
United States of America 1942
Country Name Operational Year Retirement Year
United States of America View
Other Designation(s)M3A1 Lee
Production Quantity300Production PeriodJan. 1942-Jul. 1942
TypeMedium TankCrew6 or 7
Length /hull (m)6.12-5.64*/5.64Barrel Overhang (m)0.48 or 0*
Width (m)2.72Height (m)3.12
Combat Weight (kg)28600Radio EquipmentSCR508
Primary Armament75mm Gun M2 or M3 (hull mounted)Ammunition Carried75mm: 50
37mm Gun M5 or M6 (turret)37mm: 178
Traverse (degrees)75mm: 30° (15° L or R)Elevation (degrees)75mm: -9° to +20°
37mm: 360°37mm: -7° to +60°
Traverse speed (360°)75mm: ManualSight75mm: n.a.
37mm: 18°/sec.37mm: n.a.
Secondary Armament3 x .30 caliber MG M1919A4 (turret, coaxial with 37mm, bow)Ammunition Carried9200

Engine Make & ModelWright (Continental) R975 EC2Track Links79/track
Type & DisplacementR9, 15.9 litersTrack Width40.6 or 42.1 cm
Horsepower (max.)400hp@2400rpmTrack Ground Contact373.4 cm
Power/Weight Ratio14.0 hp/tonneGround Pressure12.9 psi
Gearbox5 forward, 1 reverseGround Clearance (m)0.43
FuelGasoline (Petrol)Turning Radius (m)18.9
Range on/off road (km)193Gradient (degrees)31°
Mileage (liters/100km)412 on roadVertical Obstacle (m)0.61
Fuel Capacity (liters)796Fording (m)1.0
Speed on/off road34 km/hTrench Crossing (m)2.3
Armor DetailFrontSideRearTop/Bottom
Hull51mm@45-90°38mm@90°38mm@80-90°25mm@0°(front) 13mm@0°(rear)
Superstructure38mm@37°(lower) 51mm@60°(upper)38mm@90°-13mm@0-7°

*M3 or M2 gun respectively

End notes