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Landing Vehicle, Tracked, Mark 4

Vehicle Specifications


General Information

Date of First Acceptance - 1944

Total Acceptances - 8348

Crew - 3 Man + 30 passengers

 

 

 

30 Combat Equipped Marines

Armor:

Maximum

None

Minumum

None

Armament:

Type

Mount

Ammunition

Traverse

Elevation

Two .50cal M2HB
Machine Guns

Pivot mounts at front of cargo area

 

 

 

Two .30cal M1919A4
Machine Guns

One on each side of cargo area

 

 

 

Dimensions:

Combat Weight (land)

36,400lbs

Height

98"

Length

313"

Gun Overhang Forward

0"

Width

128"

Tread

 

Ground Clearance, Sides

 

Ground Pressure,
Zero Penetration

  psi

Performace:

Max Level Road Speed

20 mph

Max Water Speed

x7.5 mph

Max. Trench

60"

Min. Land Turning Diameter

30'

Max. Vertical Obstacle

36"

Max. Grade

60%

Angle of Approach

35°

Angle of Departure

30°

Cruising Range Roads

  miles

Cruising Range Water

  miles

Automotive:

Engine:

Continental W-670-9A; 7 cylinder, 4 cycle, radial gasoline

Transmission:

Synchromesh, 5 speeds forward, 1 reverse

Steering:

Controlled differential, steering levers

Brakes:

Mechanical, external contracting

Suspension:

Type:

Road Wheels:

Track Return Rollers:

Torsilastic

11 independently sprung/track

2/track

Drive Sprockets:

Idlers:

Shock Absorbers:

37-alternate-engaged-tooth front drive

33-tooth adjustable sprocket at rear of track

None

Track:

Outside guide, dry pin, steel link, extruded grousers

Width:

14.25"

Pitch

8"

Shoes/Track:

73

Ground Contact Length:

126.5"

 
 

LVT4 was a remodeled LVT2, where the engine was moved from the rear of the vehicle to behind the driver's cab, yielding a larger cargo area and allowing a rear loading ramp to be installed. Applique armor could be attached to the LVT4: .5" (1.3cm) armor on the front and .25" (.64cm) on the sides, but this reduced the LVT4's payload by 3000lbs (1360kg). The LVT4's cab had two large glass windows and two roof hatches, and three armored cabs could be installed as well, with .5" (1.3cm) armor to the front and .25" (.64cm) armor on the top and sides. The front panel of the early cab was solid, with the driver's hatch on the front plate opening outward for observation (much like LVT(A)2's). A periscope was installed in each roof hatch, and these were originally covered by a plastic hemisphere, but these plastic covers were eliminated later. Later armored cabs were fitted with a ball-mounted .30cal machine gun at the assistant driver's position, and the final armored cabs had the ball-mounted MG as well as vision blocks for the driver and assistant driver in place of the driver's earlier vision panel. This final version also lacked the driver's periscope.

References:
AFV Database: http://afvdb.50megs.com/


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