SA Armour Museum

Crew: 5 

Combat Mass: 32,8 mt 

Armament: 105 M4 howitzers with 66 rounds, 1 x Browning M2HB cal.30 M1919 (7.62 mm) machine-guns, 1 x 12.7 mm M2HB machine-gun

Engine: Continental R975 9-cyl. air-cooled gasoline, 500 hp 

Transmission: Clutch - Mechanical; Multi-Plate; Dry Type Gearbox - Manual Synchromesh Type; 5 Fwd 1 Rev Controlled Differential Combining Steering and Brakes 

Speed:42 km/h on road

Operating Range: Road 193km - Cross Country 110 km 

 

M4(105)

First introduced in February 1944, production stopped in March 1945, after a total of 1641 machines. It was devised during the Italy campaign, to give added infantry support firepower with the advantage of a fully traversing turret. In fact, the M7 Priest was one of the most widely used SPGs during this particular campaign. The standard M1919A4 howitzer was modified and compacted for the task. All existing gun aiming and facilities for the indirect fire were improved. Armour was slightly thinner than usual, ranging from 63 mm (2.48 in) (glacis sloped at 47 degrees), 38 mm (1.5 in) for the sides and rear and 19 mm (0.75 in) for the top. The mantlet was 91 mm (3.58 in) thick, turret front was 76 mm (3 in), slopes were 51 mm (2 in) and top 25 mm (0.98 in). The engine was the early radial Continental R975-C4, 9-cylinder 4-cycle, air-cooled (15,945 cc and 460 hp at 2,400 rpm), giving a range of 161 km (100 mi) and a cruise speed of 38.6 km/h (24 mph) on road.

 

M4A3(105)

Produced from May 1944 to March 1945 with a total of 3039 machines. It had every improvement of the regular A3 series and thus was more successful. It appeared quickly that the punch of a solid HE round was also more than adequate in many tanks to tank engagements against German armour. Used in conjunction with “Zippo” (flamethrower) versions, the USMC deployed these support pairs with high profit against Japanese fortifications.

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Video generated using War Thunder