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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. 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) or T54 (20 183 mm rockets) rocket launchers on its side.

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

Usage

The LVT (A)(4) was first used at Saipan in June 1944.

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

Specifications

  LVT (A)(4)
Crew 6, (30 passengers)
Physical Characteristics  
Weight 39,460 lb
10.98 tons, 17.9 tons
11,156 kg, 18,140 kg
Length 26' 1", 26' 2"
7.9 m, 7.95 m
Height 10' 2", 10' 2.5", 10' 3"
2.09 m, 3.1 m
Width 10' 8"
3.25 m
Width over tracks  
Ground clearance 18"
Ground contact length 126.5"
Ground pressure 9.9 psi
Turret ring diameter  
Armament  
Main 75 mm M2 or M3
75 mm
75 mm Howitzer M3
75 mm M2/M3 howitzer
Secondary  
MG .50 cal MG AA
.50 cal HB M2 MG
1: 12.7 mm / 0.5" MG
3: .30 cal M1919A4 MG, bow, 2 in flexible mounts on each side of turret
1: 7.62 mm / 0.3" MG
Side arms  
Quantity  
Main 75, 100
Secondary  
MG 400
.50 cal: 420
.30 cal: 6,000
Side arms  
Armor Thickness (mm) 13, 44
Hull Front, Upper 0.5"@0°
Hull Front, Lower  
Hull Sides, Upper 0.25"@0°
Hull Sides, Lower  
Hull Rear 0.25"@0°
Hull Top  
Hull Bottom  
Turret Front 1.5"@0°
Turret Sides 1"@0°
Turret Rear  
Turret Top  
Engine (Make / Model) Wright W670
Continental W670-9A
Bore / stroke  
Cooling Air
Cylinders R-7, Radial 7
Capacity  
Net HP 250
Power to weight ratio  
Compression ratio  
Transmission (Type) Spicer synchromesh
5 forward, 1 reverse
Steering Controlled differential
Steering ratio  
Starter  
Electrical system  
Ignition  
Fuel (Type) Gasoline
Octane  
Quantity 140 gallons
Road consumption 1 mpg
Water: 0.7 mpg
Cross country consumption  
Performance  
Traverse 360°
Manual
Speed - Road 20 mph, 25 mph
32 kph, 40 kph
Water: 7 mph, 7.5 mph
Water: 12 kph
Speed - Cross Country  
Range - Road 150 miles, 300 miles
240 km, 483 km
Water: 100 miles
Range - Cross Country  
Turning radius  
Elevation limits  
Fording depth  
Trench crossing 5'
Vertical obstacle 3'
Climbing ability 30° slope
Suspension (Type) Torsilastic springs
Wheels each side 11 single bogie wheel assemblies
Return rollers each side 2
Tracks (Type) Steel, twin chains with "W" shaped grousers
Length  
Width 14.25"
Diameter  
Number of links 73
Pitch 4 1/8"
Tire tread Rubber
Track centers/tread 113.5"

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