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The StuG III Ausf G 7.5cm Stu.K. L/48 was a Self Propelled Artillery vehicle designed in 1941, manufactured by Alkett, it was based on the fully tracked PzKpfw III chassis and was in use from 1942 to 1945. It was commonly called a Stug III. |
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| General Details (SP Artillery) |
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| | Specifications | | Operational Date(s) | 1942 - 1945 | | Ordnance classification | SdKfz 142/1 | | Quantity Produced | 7720 | | Weight | 23.9 tonne | | Crew | 4 | | M.G's small | 2 | | M.G's large(>10mm) | n/a | | Length | 5.54 mtr | | Width | 2.95 mtr | | Height | 2.16 mtr | | Engine Details/Performance | | Max Road Speed | 25 mph | | Max Cross Country Speed | 13 mph | | Range Road | 88 miles | | Range Cross Country | 35 miles | | Fuel Type | Petrol | | Fuel Capacity | unknown | | Horse Power | 300 hp | | Power/Weight | 12 hp/tonne | | | General Information | The StuG III Ausf G 7.5cm Stu.K. L/48 was a Self Propelled Artillery vehicle designed in 1941, manufactured by Alkett, it was based on the fully tracked PzKpfw III chassis and was in use from 1942 to 1945. It was commonly called a Stug III.
The vehicle was powered by Maybach 'HL120 TRM' petrol powerplant producing 300 HP which could drive the vehicle on roads at up to 25 mph with a range of about 88 miles before refuelling. Its cross country performance was good providing a max speed of about 13 mph and a range of about 35 miles.
It was armed with 2 light machine guns. Its main armament consisted of a 7.5cm StuK 39/40 L/48 weighing 4.420 kg.
Designed as an infantry support vehicle in 1936, it was to utilise the PzKpfw III chassis in a vehicle with a very low profile. | |
| | Turret | | Front | n/a | | Side | n/a | | Rear | n/a | | Top | n/a |
| | Superstructure | | Front | | 80mm | @ | 10° | (81mm) | | Side | | 30mm | @ | 11° | (31mm) | | Rear | | 30mm | @ | 0° | (30mm) | | Top | | 17mm | @ | 83° | (17mm) |
| | Hull | | Front | | 80mm | @ | 21° | (86mm) | | Side | | 30mm | @ | 0° | (30mm) | | Rear | | 50mm | @ | 10° | (51mm) | | Top | | 16mm | @ | 90° | (16mm) |
| | Armour (x)mm @ (y)° (Effective mm @ 0°) | | Effective Armour - Maximum 86 mm - Minimum 16 mm |
| | Weapon Details |
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7.5cm StuK 39/40 L/48 |
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| | Calibre | 75mm |
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| | Length | L/48 |
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| Ammunition Details |
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| Name/Id |
Calibre Weight MVelocity |
Explosive Content |
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7.5cm Pzgr 39 L/48
(AP Armor Piercing)
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75mm 6.8Kg 792M/Sec | |
| Quoted Penetration 96mm @ 500mtr/30° ( ? 110mm/0?) |
| Range(Mtr) | 100 | 200 | 400 | 800 | 1200 | 1600 | 2000 | 2400 |
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| Flight Time(Secs) |
0.13 |
0.26 |
0.53 |
1.09 |
1.7 |
2.34 |
3.03 |
3.75 |
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| Penetration(mm@30°) |
129 |
125 |
118 |
105 |
94 |
83 |
74 |
66 |
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| Penetration(mm@0°) |
149 |
145 |
137 |
122 |
109 |
97 |
86 |
77 |
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| Hit Probability(%) |
93 |
93 |
90 |
83 |
64 |
52 |
23 |
14 |
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7.5cm Pzgr 40
(AP40 Armour Piercing Tungsten Cored)
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75mm 4.1Kg 920M/Sec | |
| Quoted Penetration 115mm @ 500mtr/30° ( ? 132mm/0?) |
| Range(Mtr) | 100 | 200 | 400 | 800 | 1200 | 1600 | 2000 | 2400 |
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| Flight Time(Secs) |
0.11 |
0.22 |
0.45 |
0.93 |
1.44 |
1.98 |
2.55 |
3.15 |
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| Penetration(mm@30°) |
145 |
142 |
135 |
122 |
111 |
100 |
91 |
82 |
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| Penetration(mm@0°) |
169 |
164 |
156 |
142 |
128 |
116 |
105 |
95 |
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| Hit Probability(%) |
93 |
93 |
93 |
87 |
77 |
64 |
35 |
23 |
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7.5 cm Sprgr.34
(HE High Explosive)
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75mm 4.42Kg 550M/Sec | 0.454Kg explosive |
| Range(Mtr) | 1000 | 2000 | 3000 | 4000 | 5000 | 6000 | 7000 | 8000 |
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| Flight Time(Secs) |
2 |
4.35 |
7.04 |
10.04 |
13.29 |
16.77 |
20.42 |
24.2 |
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| lateral dispersion means the side to side variation of the shell from the aiming point |
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| 50%(CEP) of shells land within +/- (mtr) |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
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| 80% of shells land within +/- (mtr) |
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| 95% of shells land within +/- (mtr) |
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| range dispersion means the back to front variation of the shell from the aiming point |
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| 50%(CEP) of shells land within +/- (mtr) |
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| 80% of shells land within +/- (mtr) |
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| 95% of shells land within +/- (mtr) |
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| Direct Fire |
| Range(Mtr) | 100 | 200 | 400 | 800 |
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| Flight Time(Secs) |
0.18 |
0.37 |
0.77 |
1.61 |
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| Hit Probability(%) |
93 |
93 |
90 |
64 |
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| Blast/Fragmentation Effects |
| Burst radius Infantry in open 99% kill | 3 mtr |
Burst radius Infantry in open 66% kill | 6 mtr |
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| Burst radius Infantry in open 33% kill | 16 mtr |
Armour Penetration inc roof at 1 mtr | 1 mm |
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| An explosion within 3 mtr of infantry in the open will cause 99% casualties - lethal. |
| An explosion within 6 mtr of infantry in the open will cause > 66% casualties and could damage some AFV's. |
| An explosion within 16 mtr of infantry in the open will cause 33% casualties. |
| The blast effect of this shell exploding within 1 mtr of an armoured vehicle will penetrate 1 mm of the tank armour including the roof. |
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About Penetration Figures
All penetration figures in this database are calculated to a common standard
based on German WWII testing criteria (complete penetration with functioning fuze).
This allows direct comparison between all nations' guns.
Original national test figures would be higher for some nations due to different criteria:
- German: 1.00? (baseline - strictest)
- British: 1.02? (slightly looser)
- American: 1.05? (50% mass through plate)
- Soviet: 1.10? (75% mass through plate)
For example, a Soviet gun showing 159mm here would be published as ~175mm in Soviet documents,
and a German gun showing 120mm would be published as 120mm in German documents.
The 159mm figure is directly comparable to the German 120mm - the Soviet gun really was more powerful.
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| National Testing Standards |
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| German: | 1.00? - Complete penetration, fuze functions (strictest) |
| British: | 1.02? - Complete penetration |
| American: | 1.05? - 50% of shell mass through plate |
| Soviet: | 1.10? - 75% of shell mass through plate |
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All database figures are normalized to German standard for direct comparison.
Multiply by the factor above to see original national test figures.
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Hit probability is based on a static 2 x 2.4 metre panel at 0 degrees(vertical) at the range specified.
The data that has been used to create these records has come from Wikipedia, The Lone Sentry, The Bundes Archive
and numerous books and websites that have provided the detailed information that has not been available anywhere else. The
information we use to calculate the penetration tables, flight times and the hit probability comes from the Gun Calibre,
the Shell Mass(Kg) and the muzzle velocity, plus range reductions to allow for gravity and wind resistance. This calculation
originally came from a pre-war Krupp calculation which has been modified, and seems to fit the actual test results.
© WWIITanks 1980-2026
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