Tank Destroyer Achilles Mk.IIC

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Achilles Mk.IIC

GENERAL DATA
Other Designation(s)	17-pounder Self-Propelled Gun Achilles IIC
Type	Tank Destroyer	Radio Equipment	No. 19
Manufacturer(s)	Royal Arsenal, Woolwich (converted from M10A1)
Crew	5 (Commander, Gunner, Loader, Driver, Assistant Driver)
Production Quantity	1100 (total Achilles)	Production Period	(late 1944, early 1945

DIMENSIONS
Combat weight	29600 kg	Ground pressure	0.94kg/cm²
Length /hull	5.97 m	Length w/Gun	7.27 m
Barrel Overhang	1.30 m	Height	2.90 m
Width	3.05 m	Ground clearance	0.43 m

ARMAMENT
Primary Armament	17-pdr (77 mm) Mk. Vt (1)	Ammunition Carried	50
Traverse	Manual (360°)	Elevation	-5° to +20°
Traverse speed (360°)	15 secondes	Sight	Direct sight telescope
Secondary Armament	1 x .50 caliber MG HB M2 (12.7 mm) (2)	Ammunition Carried	450
Location	1: turret - 2: turret roof

ARMOR
Assembly	Welding & Cast
Armor Detail (from the horizontal)	Front	Side	Rear	Top/Bottom
Hull	51 mm / round	38 mm / 90°	38 mm / 80°-90°	25 mm / 0°(front) 13 mm / 0°(rear)
Superstructure	38 mm / 35°	19 mm / 52°	19 mm / 52°	19 mm / 0°(front) 10 mm / 0°(rear)
Turret	-	25 mm / 75°	25 mm / 90°	10 mm / 0° & open
Mantlet	57 mm / 45° & round	-	-	-

AUTOMOTIVE
Engine	Ford GAA	Type & Displacement	V8, 18.0 liters
Horsepower (maximum)	450-500 hp at 2600 rpm	Power/Weight Ratio	15.5 hp / ton
Gearbox	Synchromesh: 5 forward, 1 reverse	Steering	Controlled differential & Steering levers
Brakes	Mechanical, external contracting	Fuel Capacity	625 L Gasoline (Petrol)

SUSPENSION
Type	Vertical volute spring suspension (VVSS)	Road wheels	3 bogies, 2 road wheels/bogie
Track return rollers	1 at rear of each bogie	Sprocket-Wheels	13 tooth, front
Idler Sprockets	Adjustable, rear	Shock absorbers	-
Track Type	T48, outside guides, double pin, chevron, rubber
Width	420.6 mm	Pitch	150 mm
Links(shoes)	79	Track ground contact	3.73 m
Track Type	T49, outside guides, double pin, parallel bars, steel
Width	420.6 mm	Pitch	150 mm
Links(shoes)	79	Track ground contact	3.73 m
Track Type	T51, outside guides, double pin, smooth, rubber
Width	420.6 mm	Pitch	150 mm
Links(shoes)	79	Track ground contact	3.73 m
Track Type	T54E1, outside guides, double pin, chevron, steel
Width	420.6 mm	Pitch	150 mm
Links(shoes)	79	Track ground contact	3.73 m

PERFORMANCES
Maximum Speed	42 km/h on road 26 km/h	Range	210 km on road
Mileage	366 L/100 km on road	Maximum grade	31° (from horizontal)
Trench crossing	2.30 m	Vertical obstacles	0.61 m
Maximum fording depth	0.91 m	Minimum turning diameter	19 m

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

Drawings

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