Cruiser Tank Mk.VIII Cromwel Mk.IV

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Cruiser Tank Mk.VIII Cromwel Mk.IV

GENERAL DATA
Other Designation(s)	Cruiser Tank Mk.VIII A27M
Type	Cruiser Tank	Radio Equipment	N°19
Manufacturer(s)	Leyland, Birmingham Railway Carriage and Wagon Company
Crew	5 (Commander, gunner, loader, driver, front gunner)
Production Quantity	1935	Production Period	Oct. 1943 - ?

DIMENSIONS
Combat weight	28000 kg	Ground pressure	1.05 kg/cm²
Length /hull	6.35 m	Length w/Gun	6.42 m
Barrel Overhang	0.07 m	Height	2.49 m
Width	2.91 m	Ground clearance	0.41 m

ARMAMENT
Primary Armament	75 mm ROQF Mk. V or VA L/40 (1)	Ammunition Carried	64
Traverse	Hydraulic (360°)	Elevation	-12° to +20°
Traverse speed (360°)	?	Sight	No.50x3
Secondary Armament	2 x 7.92 mm Besa MG (2)	Ammunition Carried	4950
Secondary Armament	2 x 7.7mm (.303) Vickers MG (3)	Ammunition Carried	2000
Location	1: Turret - 2: coaxial, bow - 3: AA

ARMOR
Assembly	Welding & riveting
Armor Detail (from the horizontal)	Front	Side	Rear	Top/Bottom
Hull	57 mm / 67°(nose)	32 mm / 90°	32 mm / 90°	8 mm / 0°
Superstructure	30 mm / 23° (glacis) 63 mm / 90° (driver)	32 mm / 90°	32 mm / 90°	20 mm / 0°
Turret	76 mm / 90°	63 mm / 90°	57 mm / 90°	20 mm / 0-9°
Mantlet	-	-	-	-

AUTOMOTIVE
Engine	Rolls Royce Meteor	Type & Displacement	V12, 26.9 liters
Horsepower (maximum)	600 hp at 2550 rpm	Power/Weight Ratio	21.4 hp / ton
Gearbox	Z5 Constant Mesh: 5 forward, 1 reverse	Fuel Capacity	527 L Gasoline

SUSPENSION
Type	Improved Christie coil spring	Road wheels	5 independent double-road wheels
Track return rollers	-	Sprocket-Wheels	Rear, double
Idler Sprockets	Front, double	Shock absorbers	-
Track Type	Heavy cast steel, center guide
Width	394 mm	Pitch	? mm
Links(shoes)	126	Track ground contact	3.734 m

PERFORMANCES
Maximum Speed	52 km/h on road, 29 km/h off road	Range	265 km on road, 134 km off road
Mileage	199 L/100 km on road, 293 L/100 km off road	Maximum grade	25° (from horizontal)
Trench crossing	2.29 m	Vertical obstacles	0.91 m
Maximum fording depth	1.22 m	Minimum turning diameter	? m

Sources
OnWar.com	Vehicles.com	TNT Hors-Série n°6	-

Drawings

Cromwell Mark IV

File

Cromwell Mark IV