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United States' Landing Vehicle Tracked, LVT (A)4

Photos

LVT(A)4
United States' Landing Vehicle Tracked, LVT(A)4
Aberdeen Tank Museum

Design

Had open topped turret from M8 Motor Carriage.3 Late in 1943 some had the Canadian built Ronson flamethrower replacing the 75 mm gun. The Marines also tried mounting T45 (2 banks of 10 rockets)1 or T54 (20 183 mm rockets)1 rocket launchers on its side.1

The 75 mm howitzer fired a 18 lb HE shell at a muzzle velocity of 1,250'/sec.3

Usage

The LVT (A)(4) was first used at Saipan in June 1944.2

It was primarily used by US Army and Marines in the Pacific.

Specifications

  LVT (A)(4)
Crew 61,2,3, (30 passengers)1
Physical Characteristics  
Weight 39,460 lb3
10.98 tons1, 17.9 tons2
11,156 kg1, 18,140 kg2
Length 26' 1"2, 26' 2"1,3
7.9 m1, 7.95 m2
Height 10' 2"2, 10' 2.5"3, 10' 3"1
2.09 m1, 3.1 m2
Width 10' 8"1,2,3
3.25 m1,2
Width over tracks  
Ground clearance 18"3
Ground contact length 126.5"3
Ground pressure 9.9 psi3
Turret ring diameter  
Armament  
Main 75 mm M2 or M3
75 mm1
75 mm Howitzer M33
75 mm M2/M3 howitzer2
Secondary  
MG .50 cal MG AA
.50 cal HB M2 MG3
1: 12.7 mm / 0.5" MG2
3: .30 cal M1919A4 MG, bow, 2 in flexible mounts on each side of turret3
1: 7.62 mm / 0.3" MG2
Side arms  
Quantity  
Main 753, 1002
Secondary  
MG 4002
.50 cal: 4203
.30 cal: 6,0003
Side arms  
Armor Thickness (mm) 131, 442
Hull Front, Upper 0.5"@0°3
Hull Front, Lower  
Hull Sides, Upper 0.25"@0°3
Hull Sides, Lower  
Hull Rear 0.25"@0°3
Hull Top  
Hull Bottom  
Turret Front 1.5"@0°3
Turret Sides 1"@0°3
Turret Rear  
Turret Top  
Engine (Make / Model) Wright W6701
Continental W670-9A2,3
Bore / stroke  
Cooling Air2,3
Cylinders R-73, Radial 72
Capacity  
Net HP 2502,3
Power to weight ratio  
Compression ratio  
Transmission (Type) Spicer synchromesh3
5 forward, 1 reverse3
Steering Controlled differential3
Steering ratio  
Starter  
Electrical system  
Ignition  
Fuel (Type) Gasoline2,3
Octane  
Quantity 140 gallons3
Road consumption 1 mpg3
Water: 0.7 mpg3
Cross country consumption  
Performance  
Traverse 360°3
Manual3
Speed - Road 20 mph2, 25 mph1,3
32 kph2, 40 kph1
Water: 7 mph2,3, 7.5 mph
Water: 12 kph2
Speed - Cross Country  
Range - Road 150 miles2,3, 300 miles1
240 km2, 483 km1
Water: 100 miles3
Range - Cross Country  
Turning radius  
Elevation limits  
Fording depth  
Trench crossing 5'3
Vertical obstacle 3'3
Climbing ability 30° slope3
Suspension (Type) Torsilastic springs3
Wheels each side 11 single bogie wheel assemblies3
Return rollers each side 23
Tracks (Type) Steel, twin chains with "W" shaped grousers3
Length  
Width 14.25"3
Diameter  
Number of links 733
Pitch 4 1/8"3
Tire tread Rubber3
Track centers/tread 113.5"3

Sources:

  1. 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
  2. World Encyclopedia of Armored Fighting Vehicles, Jack Livesey, 2006
  3. Tank Data 2, Aberdeen Proving Grounds Series, E. J. Hoffschmidt and W. H. Tantum IV, 1969
20th Century American Military History Crucial Site