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United States' M4A4 medium tank12
M4A4 Medium Tank: Aberdeen Tank Museum |
M4A4 Medium Tank: U.S. Ordnance Dept. |
M4A4 Medium Tank with spigot mortar: Aberdeen Tank Museum |
M4A4 Medium Tank drawing: U.S. Ordnance Dept. |
| Dragon Diecast 1/72 Armor, M4A4 |
|---|
60278: 60284:  |
Welded hull. Three piece bolted front. Early models had M34 gun mount and vision slots in hull eliminated. Later vehicles had the M34A1 mount.
The length of hull had to be extended for the 5 engines.7
Was the main model supplied to England.7
The 75 mm gun fired a 14.4 lb. AP round at a muzle velocity of 2,050'/sec.9
Production
Standardized in February 1942. Built by Detroit Tank Arsenal.
Variants
- Tank Recovery Vehicle M32B4: Based on M4A4.
- M4A4 Mine Exploder: Used spigot mortar bombs.9
| M4A4 medium tank12, Sherman V11 | |
|---|---|
| Crew | 54,9,12 |
| Radio | SCR-50812 |
| Radio - command tank | SCR-50612 |
| Physical Characteristics | |
| Weight | 71,000 lb4,12 34.8 tons, 36.25 tons9 |
| Length w/gun | 19' 10.5"4,12, 20.3'9 |
| Length w/o gun | 19' 10.5" |
| Height | 8.9'9, 9'3,4,12 |
| Width | 8' 7"3,4,12, 8.7'9 |
| Width over tracks | |
| Ground clearance | 15.75"12, 17"9 |
| Ground contact length | 13' 4"9,12, 13' 6" |
| Ground pressure | 12.9 psi9, 13.4 psi12 |
| Turret ring diameter | |
| Armament | |
| Main | 75 mm4 75 mm M33,12 75 mm M3, L/409 |
| Secondary | |
| MG | 3: MG4 2: .30 cal MG3 |
| MG - coaxial | 1: .30 cal M1919A4 MG9 1: .30 cal Browning M1919A4 MG12 |
| MG - hull | 1: .30 cal M1919A4 MG9 1: .30 cal Browning M1919A4 MG12 |
| MG - antiaircraft | 1: .50 cal MG3 1: .50 cal M2 HB MG12 |
| Side arms | 2" M3 Mortar12 .45 cal submachine gun12 |
| Quantity | |
| Main | 959, 973,12 |
| Secondary | |
| MG | .30: 4,7503,12, 7,7509 .50: 30012 |
| Side arms | .45: 60012 Mortar: 1212 (4: Fragmentation Mk III, 4: M8 Smoke, 2: M2 Offensive Mk III, 2: Thermite)12 |
| Armor Thickness (mm) | 1" - 2"4 123, 20 - 855 Front: 2"@46°9 Side: 1.5"9 |
| Hull Front, Upper | 2"12 503 |
| Hull Front, Lower | 1.5" - 2"12 |
| Hull Sides, Upper | 1.5" - 2"12 |
| Hull Sides, Lower | 1.5" - 2"12 |
| Hull Rear | 1.5"12 |
| Hull Top | 1"12 |
| Hull Bottom | 0.5" - 1"12 |
| Turret Front | 3"12, 3.2"9 753 Mantlet: 1"9 |
| Turret Sides | 2"12 |
| Turret Rear | |
| Turret Top | 1"12 |
| Engine (Make / Model) | Chrysler 5-line WC12, Chrysler 5 line4, 5: Chrysler7, 5xChrysler 5-2519 |
| Bore / stroke | |
| Cooling | Water4,9 |
| Cylinders | 304, 5x67,9 |
| Capacity | |
| Net HP | 370@2,850 rpm12, 4254,5, 430@2,500 rpm9 |
| Power to weight ratio | |
| Compression ratio | 6.5:19 |
| Transmission (Type) | Synchromesh9 5 forward, 1 reverse9 |
| Steering | Controlled differential9 |
| Steering ratio | 1.515:112 |
| Starter | Electric9 |
| Electrical system | 24 volt9,12 |
| Ignition | Magneto9 |
| Gear ratio - 1st gear | 7.56:112 |
| - 2nd gear | 3.11:112 |
| - 3rd gear | 1.78:112 |
| - 4th gear | 1.11:112 |
| - 5th gear | 0.73:112 |
| - Reverse | 5.65:112 |
| Fuel (Type) | Gasoline9,12 |
| Octane | 8012 |
| Quantity | 150 gallons9,12, 160 gallons |
| Road consumption | |
| Cross country consumption | 0.6 mpg9 |
| Performance | |
| Traverse | 360°3 Hand and hydraulic9 |
| Max speed | 25 mph4,9,12, 26 mph |
| Cross country | |
| Road radius | 100 miles12, 120 miles9 |
| Cross country radius | 100 miles9 |
| Turning radius | |
| Elevation limits | -12° to +8° |
| Fording depth | 3' 6"3,9,12 |
| Trench crossing | 8'3,9,12 |
| Vertical obstacle | 2'3,9,12 |
| Climbing ability | 31° (60%) slope9, 60%12 |
| Suspension (Type) | Vertical volute.3 Horizontal spring, 3 bogies of 2 wheels each9 |
| Wheels each side | 3x29 |
| Wheel size | 20" x 9"12 |
| Wheel size - idler | 28 1/8" x 9"12 |
| Return rollers each side | 39 |
| Tracks (Type) | Dry pin, double pin per shoe, rubber cleat9 |
| Length | |
| Width | 16.5"3, 16.6"9 |
| Diameter | |
| Number of links | 849 |
| Pitch | 6"9 |
| Tire tread | |
| Track centers/tread | 6.9'9, 6' 11"3,12 |
Sources:
- The Encyclopedia of Tanks and Armored Fighting Vehicles - The Comprehensive Guide to Over 900 Armored Fighting Vehicles From 1915 to the Present Day, General Editor: Christopher F. Foss, 2002
- Panzer Truppen The Complete Guide to the Creation and Combat Employment of Germany's Tank Force 1943-1945, Thomas L. Jentz, 1996
- British and American Tanks of World War Two, The Complete Illustrated History of British, American, and Commonwealth Tanks 1933-1945, Peter Chamberlain and Chris Ellis, 1969
- Tanks of the World, 1915-1945, Peter Chamberlain, Chris Ellis, 1972
- The Encyclopedia of Weapons of World War II, Chris Bishop, 1998
- -
- Tanks of World War II, Duncan Crow, 1979
- Battle Winning Tanks, Aircraft & Warships of World War II, David Miller, 2000
- Tank Data, Aberdeen Proving Grounds Series, 1968?
- Tank Data 2, Aberdeen Proving Grounds Series, E. J. Hoffschmidt and W. H. Tantum IV, 1969
- Airfix Magazine Guide #26 American Tanks of World War 2, Terry Gander and Peter Chamberlain, 1977
- The American Arsenal, 1996
