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Germany's Gepanzerter Selbstfahrlafette für Sturmgeschütz 7.5 cm Sturmkanone 40 Ausf F; Sturmgeschütz III Ausf F1; StuG 40 Ausf F; Sturmgeschütz 40 Ausführung F; 7.5cm Sturmgeschuetz 40, Ausf F1; SdKfz 142/11
Sturmgeschütz III Ausf F self propelled gun: |
Sturmgeschütz III Ausf F self propelled gun: |
Sturmgeschütz III Ausf F self propelled gun, Tigerkopf Brigade in the Caucasus in 1943: |
Sturmgeschütz III Ausf F self propelled gun, note the vision periscopes in up position: |
Design
Was introduced in early 1942 with the 7.5cm StuK 40 L/43.1 The chassis was similar to the StuG III Ausf E.1
Usually had rounded muzzle brake.4
An additional exhaust fan was installed in the roof to remove gun fumes.1 Early in production the superstructure was modified to improve protection.
The 75 mm gun fired a 15 lb HE with a muzzle velocity of 2,461'/sec to a range of 7,767 yards.3
Production
Production started in March 1942 and in June 1942, 182 had Zusatz Panzerung (additional armor) added. 31 had the L/48 gun installed.
- StuG III Ausf F:
- Manufacturer: Daimler-Benz3
Usage
It was primarily issued as replacements. Was issued to the newly formed F Skl Kp 312, 313, and 314 (Remote Controlled Demolition Units) and to the Sturmgeschütz units of the Herman Göring Division.
| StuG III Ausf F, StuG 40 Ausf F |
|
|---|---|
| Crew | 41,2,3 |
| Radio | FuG152, FuG162 |
| Physical Characteristics | |
| Weight | 21.6 tons1,2,5, 25.6 tons3 |
| Length w/gun | 18'3 6.31 m2 |
| Length w/o gun | |
| Height | 7.1'3 2.15 m2 |
| Width | 9.7'3 2.92 m2 |
| Width over tracks | |
| Ground clearance | 15.75"3 |
| Ground contact length | |
| Ground pressure | 14.5 psi3 |
| Turret ring diameter | |
| Armament (mm) | |
| Main | 75 mm StuK 40 L/431,2,4,5 |
| OR | 75 mm StuK 40 L/482,3 |
| Secondary | |
| MG | 7.92 mm MG342 |
| MG - hull | 7.92 mm MG34 |
| Side arms | |
| Quantity | |
| Main | 442, 543 |
| Secondary | |
| MG | 6002 |
| Side arms | |
| Armor Thickness (mm) | Front: 2"+1.2"3 Side: 1.2"3 |
| Hull Front, Upper | 50 or 50+30@10°2 Mantlet: 50@0°2 |
| Hull Front, Lower | 50 or 50+30@21°2 |
| Hull Sides, Upper | 30@10°2 Mantlet: 30@17°2 |
| Hull Sides, Lower | 30@0°2 |
| Hull Rear | 30@30°2 & 30@30° + 10°2 |
| Hull Top | 11@78° to 90°2 & 17@85°2 Mantlet: 30@90°2 |
| Hull Bottom | 16@90°2 |
| Superstructure Front | |
| Superstructure Sides | |
| Superstructure Rear | |
| Superstructure Top | |
| Engine (Make / Model) | Maybach HL 120 TRM2,3 |
| Bore / stroke | 4 cycles3 |
| Cooling | Water3 |
| Cylinders | V-123 |
| Capacity | |
| Net HP | 300@3,000 rpm3 |
| Power to weight ratio | |
| Compression ratio | 6.5:13 |
| Transmission (Type) | Synchromesh3 6 forward, 1 reverse2,3 |
| Steering | Clutch brake3 |
| Steering ratio | |
| Starter | Hand inertia and electric3 |
| Electrical system | Starting: 24-volt3 Normal: 12-volt3 |
| Ignition | Magento3 |
| Fuel (Type) | |
| Octane | |
| Quantity | 82 gallon3 |
| Road consumption | 1.7 mpg3 |
| Cross country consumption | 0.7 mpg3 |
| Performance | |
| Traverse | 10° left, 10° right, hand.2, 20°3 |
| Max speed | 25 mph3 40 kph2 |
| Cross country speed | 15 mph3 |
| Road radius | 96 miles3 140 km2 |
| Cross country radius | 59 miles3 |
| Turning radius | |
| Elevation limits | -6° to +17°3, -6° to +20°2 |
| Fording depth | 35.4"3 |
| Trench crossing | 7.6'3 |
| Vertical obstacle | 23.6"3 |
| Climbing ability | 30° (57%) slope3 |
| Suspension (Type) | Torsion bars3 |
| Wheels each side | 63 |
| Return rollers each side | 33 |
| Tracks (Type) | Dry pin3 |
| Length | |
| Width | |
| Width of link | |
| Diameter | |
| Number of links | 923 |
| Pitch | 4.7"3 |
| Tire tread | |
| Track centers/tread |
Sources:
- Profile, AFV Weapons #55, German Self-Propelled Weapons, Peter Chamberlain, H.L. Doyle, 1973
- Encyclopedia of German Tanks of World War Two, Peter Chamberlain and Hilary Doyle, 1999
- Tank Data, Aberdeen Proving Grounds Series, 1968?
- Sturmgeschütz 40 (L/43 & L/48) The Long Gun Versions, Horst Scheibert, 1991
- German Tanks of World War II, Dr. S. Hart & Dr. R. Hart, 1998
