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United States' Landing Vehicle Tracked LVT(A)(1)

Photos

LVT(A)(1)
United States' Landing Vehicle Tracked, LVT(A)(1)
Aberdeen Tank Museum

Design

The LVT (A)(1) had a M3 light tank turret mounted.1,2 There were periscopes for the crew to see out.1

Cargo

The engine was installed between the crew and the cargo compartment in the rear.1

When exiting the vehicle the passengers would have to go over the side as there were no doors in the back.1

Armament

The 37 mm gun fired a 1.9 lb shell at a muzzle velocity of 2,900'/sec.4 Gun used a gyrostabilizer.1

The Marines would replaced the 37 mm gun with the E7 flamethrower.

The LVT (A)(1) had "manholes" at rear with .30 cal machine guns installed.4 These were quite dangerous and were later removed.4

Usage

First used at ROI-Namur in January 1943.3 75 were used.3

Many of these were used at Bougainville and New Georgia.

Specifications

  LVT (A)(1)
Crew 25, 31 (24 passengers)1, 54
Physical Characteristics  
Weight 23,760 lb5, 30,000 lb4, 32,800 lb
14.6 tons1
14,878 kg1, 23,760 kg5
Length 26' 1"1,4,5
7.95 m1,5
Height 8' 1"4, 9' 11"5, 10' 1"1
3.01 m1, 3.023 m5
Width 10' 8"1,4,5
3.25 m1,5
Width over tracks  
Ground clearance 18"4
Ground contact length 126.5"4
Ground pressure 8.7 psi, 9.8 psi4
Turret ring diameter  
Armament  
Main 1: 37 mm M3
1: 37 mm1,2,5
1: 37 mm M6, gyrostabilized4
Secondary  
MG 1: 7.62 mm MG5
1: 12.7 mm (.50 cal) MG1
3: 7.62 mm (.30 cal) MG1
3: .30 cal M1919A4 MG, coaxial, ring mount by turret4
Side arms  
Quantity  
Main 104, 1234
Secondary  
MG 6,000, 6,5004
Side arms  
Armor Thickness (mm) 131, 675
Hull Front, Upper 0.5"@0°4
Hull Front, Lower  
Hull Sides, Upper 0.25"@0°4
Hull Sides, Lower  
Hull Rear 0.25"@0°4
Hull Top  
Hull Bottom  
Turret Front 1.75"@0°4
Turret Sides 1.25"@0°4
Turret Rear  
Turret Top  
Engine (Make / Model) Continental W970-9A1,4
2: Cadillac5
Bore / stroke  
Cooling Air4
Cylinders R-74
Capacity  
Net HP 2205, 2504
Power to weight ratio  
Compression ratio  
Transmission (Type) Synchromesh4
5 forward, 1 reverse4
Steering Controlled differential4
Steering ratio  
Starter  
Electrical system  
Ignition  
Fuel (Type) Gasoline4,5
Octane  
Quantity 140 gallons4
Road consumption 1 mpg4
Cross country consumption  
Performance  
Traverse 360°4
Hydraulic
Power or hand4
Speed - Road 17 mph5, 20 mph4, 25 mph1
27.3 kph5, 40 kph1
Speed - Water 6 mph5, 7 mph1, 7.5 mph4
9.7 kph5, 11 kph1
Range - Road 125 - 150 miles, 125 miles1, 150 miles4,5
201 km1, 241 km5
Range - Water 50 - 75 miles, 75 miles4,5
120.7 km5
Turning radius  
Elevation limits -10° to +20°4
Fording depth Amphibious5
Trench crossing 5'4
Vertical obstacle 3'4
Climbing ability 30° slope4
Suspension (Type) Torsilastic springs4
Wheels each side 11 single bogie wheel assemblies4
Return rollers each side 24
Tracks (Type) Steel, twin chains with "W" shaped grousers4
Length  
Width 14.25"4
Diameter  
Number of links 734
Pitch 4 1/8"4
Tire tread Rubber4
Track centers/tread 113.5"4

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. The Encyclopedia of Weapons of World War II, Chris Bishop, 1998
  3. World Encyclopedia of Armored Fighting Vehicles, Jack Livesey, 2006
  4. Tank Data 2, Aberdeen Proving Grounds Series, E. J. Hoffschmidt and W. H. Tantum IV, 1969
  5. Armored Fighting Vehicles, 300 of the World's Greatest Military Vehicles, Philip Trewhitt, 1999
20th Century American Military History Crucial Site