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Landing Vehicle, Tracked, Howitzer, Mark 6

Vehicle Specifications


General Information

Date of First Acceptance - 1957

Total Acceptances - 210

Crew - 7 Man

Commander in turret right rear

Gunnner in turret right front

Loader in turret left rear

Driver in hull left front

Crew chief in hull right front

Two ammunition passers in hull

Armor:

Maximum

0.625"

Minumum

0.25"

Armament:

Type

Mount

Ammunition

Traverse

Elevation

105mm Howitzer M49

T172 in turret

151 rounds

360°

+59° to -4.1°

.50cal M2HB
Machine Gun

Flexible in turret AA mount

1050 rounds

360°

Manual

.30cal M1919A4
Machine Gun

Coaxial to 105mm howitzer

2000 rounds

360°

+59° to -4.1°

Dimensions:

Combat Weight (land)

86,600lbs

Height over AAMG

160.5"

Length

356"

Howitzer Overhang Forward

0"

Width

140.5"

Tread

116.7"

Ground Clearance, Sides

11"

Ground Pressure,
Zero Penetration

9.1 psi

Performace:

Max Level Road Speed

30 mph

Max Water Speed

6.8 mph

Max. Trench

144"

Min. Land Turning Diameter

Pivot

Max. Vertical Obstacle

36"

Max. Grade

70%

Angle of Approach

 

Angle of Departure

 

Cruising Range Roads

190 miles

Cruising Range Water

57 miles

Automotive:

Engine:

Continental LV-1790-1; 12 cylinder, 4 cycle, 90 vee gasoline

Transmission:

Allison CD-850-4A or -4B, 2 ranges forward, 1 reverse

Steering:

Mechanical, wobble stick

Brakes:

Multiple plate, oil cooled

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

Track:

Center guide, single pin, steel with inverted grouser

Width:

20.75"

Pitch

5"

Shoes/Track:

134

Ground Contact Length:

229.25"

 
 

LVTH6 was the armored amphibian version of the LVTP5. The hulls were identical, but the H6 had a turret armed with a 105mm howitzer installed over the cargo compartment. The vehicle commander and loader had their own hatches in the turret. For water operations, the weight of the LVTH6 was reduced to 84,200lbs (38,200kg), and the howitzer ammunition was reduced to 100 rounds. Ground clearance under the center of the vehicle was 17" (43cm).

LVTH6s were modified to become LVTH6A1s, and the most obvious external difference is a large housing behind the turret which contained the modified engine air intake and exhaust system.

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


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