1-Vehicles / Allies / UK / 1-Tanks / Data / Mark-8..htm | Last Up-date: 20-12-2020

 

Heavy Tank Mark VIII

GENERAL DATA
Other Designation(s)
Liberty Tank, International
Type
Heavy Tank
 Radio Equipment
-
Manufacturer(s)
Rock Island Arsenal (US)
Crew

11
  • Commander: turret cupola
  • 6-pdr Gunners (2): on each sponson
  • Machine-Gunners (2): on each sponson
  • Machine-Gunners (2): Turret, front
  • Machine-Gunner: Turret, rear
  • Driver: Hull - front, center
  • Engineer: Hull
  • Mechanic: Engine compartment
Production Quantity
125
 Production Period
1918-1920

 

DIMENSIONS
Combat weight
37000 kg
 Ground pressure
0.37 kg/cm²
Length /hull
10.40 m
Length w/Gun
10.40 m
Barrels Overhang
2 x 0.55 m
 Height
3.12 m
Width
2.70 m / 3.81 m with sponsons
 Ground clearance
? m

 

ARMAMENT
Primary Armament
2 x 57 mm (6-pdr) 57/40 (1)
Ammunition Carried
208
Traverse
120° (Manual) (Male)
 Elevation
?° (manual) (Male)
Traverse speed (360°)
-
 Sight
?
Secondary Armament
7 x 7.7 mm Hotchkiss MG or
5 x 7.62 mm Browning MG (2)
 Ammunition Carried
? (Male)
Location
1: sponsons (2x), sides (2x),... ?

 

ARMOR
Assembly
Riveting
Armor Detail (from the horizontal)
Front
Side
Rear
Top/Bottom
Hull
12 mm
12 mm
12 mm
6 mm
6 mm

 

AUTOMOTIVE
Engine
V-12 Liberty or V-12 Ricardo
 Type & Displacement
6-cylinder in-line, 16 L
Horsepower (maximum)
338 hp at 1400 rpm (Liberty)
 Power/Weight Ratio
9.13 hp / ton (Liberty)
300 hp (Ricardo)
8.11 hp / ton (Ricardo)
Gearbox
?
 Steering
?
Brakes
?
 Fuel Capacity
910 L Gasoline (Petrol)

 

SUSPENSION
Type
Rigid
 Road wheels
29
Track return rollers
?
 Sprocket-Wheels
Rear
Idler Sprockets
Front
 Shock absorbers
-
Track Type Steel
Width
673 mm
 Pitch
280 mm
Links(shoes)
?
 Track ground contact
? m

 

PERFORMANCES
Maximum Speed
10 km/h on road
 Range
80 km (on road)
Mileage
? L/100 km (on road)
 Maximum grade
?° (from horizontal)
Trench crossing
4.27 m
 Vertical obstacles
1.30 m
Maximum fording depth
? m
 Minimum turning diameter
? m

 

Sources
Wikipédia Connaissance de l'Histoire (Hachette) - HS N°3 - " Les blindés, des origines à 1940"
-

 

Drawings

 

File
Mark VIII (UK)

 

 

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