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Germany
StuG IV (7.5cm StuK 40 L/48)
Ordnance classification - SdKfz 167

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The StuG IV was designed in 1942, manufactured by Krupp based on the existing fully tracked PzKpfw IV and was in use from 1943 to 1945.

Flag of World War 2 Germany
StuG IV(7.5cm StuK 40 L/48) scale illustration

General Details
Specifications
Operational Date(s)1943 - 1945
Ordnance classificationSdKfz 167
Quantity Produced1139
Weight23 tonne
Crew4
M.G's small1
M.G's large(>10mm)n/a
Length5.95 mtr
Width2.97 mtr
Height2.20 mtr
Engine Details/Performance
Max Road Speed24 mph
Max Cross Country Speed12 mph
Range Road131 miles
Range Cross Country52 miles
Fuel TypePetrol
Fuel Capacityunknown
Horse Power300 hp
Power/Weight13 hp/tonne
General Information
The StuG IV was designed in 1942, manufactured by Krupp based on the existing fully tracked PzKpfw IV and was in use from 1943 to 1945.

The vehicle was powered by Maybach 'HL120' petrol powerplant producing 300 HP which could drive the vehicle on roads at up to 24 mph with a range of about 131 miles before refuelling. Its cross country performance was good providing a max speed of about 12 mph and a range of about 52 miles.

It was armed with 1 light machine gun. Its main armament consisted of a 7.5cm StuK 39/40 L/48 which could penetrate 151 mm of flat plate at 100 metres

This was an equivalent of the StuG III based on the Panzer IV chassis.

Armour Details
Turret
Frontn/a
Siden/a
Rearn/a
Topn/a
Superstructure
Front80mm@10°(81mm)
Side30mm@11°(31mm)
Rear30mm@(30mm)
Top11mm@83°(11mm)
Hull
Front80mm@14°(82mm)
Side30mm@(30mm)
Rear20mm@10°(20mm)
Top10mm@90°(10mm)
Armour (x)mm @ (y)° (Effective mm @ 0°)
Effective Armour - Maximum 82 mm - Minimum 10 mm



Weapon Details
Flag
7.5cm StuK 39/40 L/48 Blank
Calibre75mm
LengthL/48
 
Ammunition Details
Name/Id Calibre Weight MVelocity Explosive Content
7.5cm Pzgr 39 L/48
(AP Armor Piercing)
75mm 6.8Kg 792M/Sec
Quoted Penetration 96mm @ 500mtr/30° ( ≈ 110mm/0°)
Range(Mtr)1002004008001200160020002400
Flight Time(Secs) 0.13 0.26 0.53 1.13 1.8 2.57 3.44 4.46
Penetration(mm@30°) 130 121 110 96 84 72 62 51
Penetration(mm@0°) 151 140 128 112 98 84 72 60
Hit Probability(%) 98 98 98 96 77 44 25 15


 
7.5cm Pzgr 40
(AP40 Armour Piercing Tungsten Cored)
75mm 4.1Kg 920M/Sec
Quoted Penetration 115mm @ 500mtr/30° ( ≈ 132mm/0°)
Range(Mtr)1002004008001200160020002400
Flight Time(Secs) 0.11 0.23 0.47 1.02 1.67 2.45 3.42 4.63
Penetration(mm@30°) 151 138 123 105 88 72 58 45
Penetration(mm@0°) 175 160 143 122 102 84 68 53
Hit Probability(%) 98 98 98 98 81 48 25 8



7.5 cm Sprgr.34
(HE High Explosive)
75mm 4.42Kg 550M/Sec 0.454Kg explosive
Range(Mtr)10002000300040005000600070008000
Flight Time(Secs) 2.1 4.96 9.09 15.59 27.28 54.57 190.99
Direct Fire
Range(Mtr)1002004008001200160020002400
Flight Time(Secs) 0.18 0.37 0.77 1.63 2.6 3.7 4.96 6.42
Hit Probability(%) 98 98 98 81 44 22 8 3
Blast/Fragmentation Effects
Burst radius Infantry in open 99% kill3 mtr Burst radius Infantry in open 66% kill6 mtr
Burst radius Infantry in open 33% kill16 mtr  Armour Penetration inc roof at 1 mtr1 mm
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.

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.

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