Heavy Tank Mark IV

GENERAL DATA
Other Designation(s)	Male = Gun/MG Tank, Female = MG Tank
Type	Heavy Tank	Radio Equipment	-
Manufacturer(s)	Metropolitan Carriage and Waggon Company LTD
Crew	8 (commander, driver, two gearsmen and four gunners)
Production Quantity	420 Males	Production Period	May 1917 - end 1918
	595 Females
	205 Tank Tenders supply tanks

 

DIMENSIONS
Combat weight	29000 kg (Male)	Ground pressure	? kg/cm²
	27000 kg (Female)		74.8 kg/cm²
Length /hull	8.047 m	Length w/Gun	8.047 m
Barrel Overhang	0 m	Height	2.49 m
Width	3.91 m (Male)	Ground clearance	? m
	3.20 m (Female)

 

ARMAMENT
Primary Armament	2 x 57 mm (6-pdr) 57/23 (1) (Male)	Ammunition Carried	204 (Male)
	4 x 7.7 mm Vickers MG (3) (Female)		12972 (Female) *
Traverse	120° (Manual) (Male)	Elevation	?° (manual) (Male)
Traverse speed (360°)	-	Sight	?
Secondary Armament	3 x 7.7 mm Hotchkiss MG (2) (Male)	Ammunition Carried	5640 (Male)
	1 x 7.7 mm Hotchkiss MG (4) (Female)		12972 (Female) *
Location	1: sponsons (2x), 2: sponsons (2x), front turret (Male)
	3: sponsons (4x), 4: front turret (Female)

(*) Total Machine-Guns

ARMOR
Assembly	Riveting
Armor Detail (from the horizontal)	Front	Side	Rear	Top/Bottom
Hull	14 mm	12 mm	12 mm	6 mm
				6 mm

 

AUTOMOTIVE
Engine	Foster-Daimler	Type & Displacement	6-cylinder in-line, 16 L
Horsepower (maximum)	105 hp at 1000 rpm	Power/Weight Ratio	3.62 hp / ton (Male)
			3.88 hp / ton (Female)
Gearbox	primary gearbox: 2 forward and 1 reverse, secondary: 2 speeds	Steering	Controlled differential & Steering levers
Brakes	?	Fuel Capacity	318 L Gasoline (Petrol)

 

SUSPENSION
Type	Rigid	Road wheels	26
Track return rollers	10	Sprocket-Wheels	Rear
Idler Sprockets	Front	Shock absorbers	-
Track Type	Steel
Width	530 mm	Pitch	? mm
Links(shoes)	90	Track ground contact	? m

 

PERFORMANCES
Maximum Speed	6.4 km/h on road	Range	56 km (on road)
Mileage	590 L/100 km (on road)	Maximum grade	?° (from horizontal)
Trench crossing	3.50 m	Vertical obstacles	? 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

Mark IV Male

Mark IV Female

 

File

Mark IV/V