Landing Vehicle, Tracked, Engineer, Mark 11-3

LVTE1: General
Manufacturer Ingersoll Crew
8 men:
  • Commander in hull right front
  • Gunner in hull center front
  • Driver in hull left front
  • Five combat engineers
LVTE1: Dimensions
Combat weight (land) 96,200lbs
Height 128.5"
Length over excavator 477.25"
Width with excavator wings extended 225.25"
Tread 116.7"
Ground clearance, sides 11"
Ground pressure, zero penetration 10psi
LVTE1: Armament
Type Mount Traverse Elevation
.30cal M1919A4 MG Cupola mount 360°
+60° to -15°
LVTE1: Armor
Rolled homogeneous steel
Maximum .625"
Minimum .25"
LVTE1: Automotive
Engine Continental LV-1790-1; 12 cylinder, 4 cycle, 90° vee gasoline
Horsepower Net: 704@2800rpm
Gross: 810@2800rpm
Torque Net: 1440 ft-lb@2000rpm
Gross: 1610 ft-lb@2200rpm
Fuel capacity 560gal
Transmission Allison CD-850-4A or -4B, 2 ranges forward, 1 reverse
Steering Mechanical, wobble stick
Brakes Multiple plate, oil cooled
LVTE1: Suspension
Type Road wheels Track return rollers
Torsilastic 9 pairs of dual/track 5 dual/track
Drive sprockets Idlers Shock absorbers
17-tooth rear drive Dual compensating at front of track None
LVTE1: Track
Center guide, single pin, steel with inverted grouser
Width 20.75"
Pitch 5"
Shoes/track 134 Ground contact length 229.25"
LVTE1: Performance
Max level road speed 25mph
Max water speed 6.2mph
Max trench 144"
Max grade 60%
Max vertical obstacle 36"
Min turning diameter Pivot
Max fording depth Floats Cruising range ~210mi, roads
~340km, roads

LVTE1 was the engineer version of the LVTP5. A large, toothed, V-shaped excavator blade was mounted on the front of the vehicle, and it could clear a path through a minefield that was 16" (41cm) deep and 12 feet (3.7m) wide. Plastic foam-filled buoyancy tanks were fitted to the rear of the blade to help the LVTE1 keep the right attitude while afloat. A rocket-propelled line charge was carried in either side of the cargo compartment, and these were elevated hydraulically. The used line charge pallet was discarded after firing. The familiar machine gun cupola was installed between the commander and driver.

Late-production LVTE1s were powered by the Continental AVI-1790-8 12 cylinder, fuel injected gasoline engine found on the 90mm gun tank M48A2. These vehicles did not feature recessed radiator compartments on the rear sides, and also lacked the armored covers for the engine air intake and exhaust on the rear deck.

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  1. Hunnicutt, R.P. Bradley: A History of American Fighting and Support Vehicles. Navato, CA: Presidio Press, 1999. Reprinted with permission from Bradley, R.P. Hunnicutt ©1999, available from Presidio Press, 505B San Martin Drive, Suite 160, Navato, CA 94945.
  2. Research, Investigation and Experimentation in the Field of Amphibian Vehicles. Kalamazoo, MI: Ingersoll Kalamazoo Division, Borg-Warner Corp., Dec 1957.
  3. Crismon, Fred W. U.S. Military Tracked Vehicles. Osceola, WI: Motorbooks International, 1992.

Last updated 8 Feb 2014.
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