M3 Lee Medium Tank
US variants
M3 (Lee I/Grant I)
Riveted hull, high profile turret, gasoline engine. 4,724 built.
M3A1 (Lee II)
Cast (rounded) upper hull. 300 built.
M3A2 (Lee III)
Welded (sharp edged) hull. Only 12 vehicles produced.
M3A3 (Lee IV/Lee V)
Twin GM 6-71 diesel variant of welded hull. Side doors welded shut or eliminated. 322 built.
M3A4 (Lee VI)
Stretched riveted hull, 1 x Chrysler A57 Multibank engine, made up of five 4.12 litre displacement, 6-cyl L-head car engines (block upwards) mated to a common crankshaft, displacement 21 litres, 470 hp (350 kW; 480 PS) at 2,700 rpm. Side doors eliminated. 109 built.
M3A5 (Grant II)
Twin GM 6-71 diesel variant of riveted hull M3. Although it had the original Lee turret, it was referred by the British as Grant II. 591 built.
M31 Tank Recovery Vehicle (Grant ARV I)
Based on M3 chassis, with dummy turret and dummy 75 gun. A 60,000 lb (27,000 kg) winch installed.
M31B1 Tank Recovery Vehicle
Based on M3A3.
M31B2 Tank Recovery Vehicle
Based on M3A5.
M33 Prime Mover
M31 TRV converted to the artillery tractor role, with turret and crane removed. 109 vehicles were converted in 1943-44.
105 mm Howitzer Motor Carriage M7 (Priest)
105 mm M1/M2 howitzer installed in open superstructure. A gunless version was used as an OP (observation post vehicle)
155 mm Gun Motor Carriage M12
Designed as the T6. A 155 mm howitzer on M3 chassis. 100 built in 1942-1943. M30 Cargo Carrier on same chassis to transport gun crew and ammunition.
British variants
A Grant Command variant used by General Montgomery housed at the Imperial War Museum in London.
Australian variants
M3 (Lee I/Grant I)
Riveted hull, high profile turret, gasoline engine. 4,724 built.
M3A1 (Lee II)
Cast (rounded) upper hull. 300 built.
M3A2 (Lee III)
Welded (sharp edged) hull. Only 12 vehicles produced.
M3A3 (Lee IV/Lee V)
Twin GM 6-71 diesel variant of welded hull. Side doors welded shut or eliminated. 322 built.
M3A4 (Lee VI)
Stretched riveted hull, 1 x Chrysler A57 Multibank engine, made up of five 4.12 litre displacement, 6-cyl L-head car engines (block upwards) mated to a common crankshaft, displacement 21 litres, 470 hp (350 kW; 480 PS) at 2,700 rpm. Side doors eliminated. 109 built.
M3A5 (Grant II)
Twin GM 6-71 diesel variant of riveted hull M3. Although it had the original Lee turret, it was referred by the British as Grant II. 591 built.
M31 Tank Recovery Vehicle (Grant ARV I)
Based on M3 chassis, with dummy turret and dummy 75 gun. A 60,000 lb (27,000 kg) winch installed.
M31B1 Tank Recovery Vehicle
Based on M3A3.
M31B2 Tank Recovery Vehicle
Based on M3A5.
M33 Prime Mover
M31 TRV converted to the artillery tractor role, with turret and crane removed. 109 vehicles were converted in 1943-44.
105 mm Howitzer Motor Carriage M7 (Priest)
105 mm M1/M2 howitzer installed in open superstructure. A gunless version was used as an OP (observation post vehicle)
155 mm Gun Motor Carriage M12
Designed as the T6. A 155 mm howitzer on M3 chassis. 100 built in 1942-1943. M30 Cargo Carrier on same chassis to transport gun crew and ammunition.
British variants
A Grant Command variant used by General Montgomery housed at the Imperial War Museum in London.
- Grant ARV
- Guns removed and replaced with armored recovery vehicle equipment.
- Grant Command
- Fitted with map table and extra radio equipment and having guns removed or replaced with dummies.
- Grant Scorpion III
- 75 mm (3.0 in) gun removed, and fitted with Scorpion III mine flail, few made in early 1943 for use in North Africa.
- Grant Scorpion IV
- Scorpion III with additional motor to increase Scorpion flail power.
- Grant CDL
- From "Canal Defence Light"; 37 mm (1.5 in) turret replaced by one with a powerful searchlight and a machine gun. 355 were also produced by the Americans, who designated it the Shop Tractor T10.
Australian variants
- M3 BARV
- A single M3A5 was converted into a "Beach Armoured Recovery Vehicle".