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United States' Landing Vehicle Tracked, LVT (A)4
Photos
LVT(A)4
Aberdeen Tank Museum
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:
- 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
- World Encyclopedia of Armored Fighting Vehicles, Jack Livesey, 2006
- Tank Data 2, Aberdeen Proving Grounds Series, E. J. Hoffschmidt and W. H. Tantum IV, 1969
