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German Balkenkreuz

Germany's BW/7; BW/8; Panzerkampfwagen IV Ausf G; PzKpfw IV Ausf G; SdKfz 161/1; SdKfz 161/2 medium tank

Design

Initially 1,750 were ordered, and of those 10 chassis were used for Hummel prototypes and 53 chassis for Brummbär. Dropped vision ports from turret sides. New cupola with thicker armor and single hatch cover. In the summer of 1942 a new muzzle brake with a double baffle and a system to allow transfer of coolant to aid in cold weather starting was installed (Kühlwasser-Austauscher). In January 1943 the driver's scope was eliminated. In 1943 Schürzen we installed to the side of the hull and the turret. Late production PzKpfw IV Ausf Gs had new drive sprocket and radio antenna was moved to left hull rear. 75 mm gun had double baffle muzzle brake. Starting on June 20, 1942, extra armor was bolted or welded on to approximately 700. 1,275 received the 7.5 cm KwK 40 L/43.

From late 1942 / March 1943the 7.5 cm KwK 40 L/48 was installed. Had a velocity of 751 m/s / 2,461 ft/sec.

Schürzen (skirting) armor was added to help stop Russian 14.5 mm AP rounds.

Usage

Entered service in 1942.

Specifications

  Panzerkampfwagen IV Ausf G
Crew Commander, gunner, loader, driver, radio operator
5
Radio FuG5
Physical Characteristics  
Weight 23.5 tons, 23.6 tons
Length w/gun 20' 10", 18' 5.5", 19' 4"
5.62 m, 6.63 m, 5.9 m, 6.62 m
Length w/o gun 6.63 m
19' 4"
Height 8' 6", 8' 9.5" 2.68 m
Width 9' 7"
2.9 m, 2.88 m
Width over tracks  
Ground clearance 1' 3"
0.4 m
Ground contact length 3.52 m
Ground pressure 0.93 (kg/cm2)
13.23 psi
Turret ring diameter  
Armament  
Main 75 mm KwK 40 L/43 OR
75 mm KwK 40 L/48
75 mm L/43
Secondary  
MG 2: MGs
2: 7.92 mm MG34
MG - coaxial 7.92 mm MG34
MG - hull 7.92 mm MG34
Side arms  
Quantity  
Main 87 HEAT, smoke, APCR, APCBC, HE
87
87 Pzgr, Sprgr + Nebel
Secondary  
MG 3,000 Patr SmK, 2,250, 3,150
Side arms  
Armor Thickness (mm)  
Hull Front, Upper 60
50
50 or 50+30@10°
Hull Front, Lower 50 or 50+30@12°
Hull Sides, Upper 30
30@0°
Hull Sides, Lower 30@0°
Hull Rear 20
20@9° & 12°
Hull Top 10-11
12@85°-90°
Hull Bottom 10
10@90°
Turret Front 50
50@11°
Mantlet: 50@0°-30°
Turret Sides 30
30@26°
Turret Rear 30
30@10°
Turret Top 10
10@83°-90°
Engine (Make / Model) Maybach HL 120 TRM
Bore / stroke  
Cooling  
Capacity  
Cylinders  
Net HP  
Power to weight ratio  
Compression ratio  
Transmission (Type) ZF SSG 77, Synchromesh
6 forward, 1 reverse.
Steering  
Steering ratio  
Starter  
Electrical system  
Ignition  
Fuel (Type)  
Octane  
Quantity 470 liters
Road consumption 100 km/235 liters
Cross country consumption  
Performance  
Traverse 360°, electric.
Speed - Road 25 mph
40 kph, 42 kph
Speed - Cross Country 11 mph
16 kph
Range - Road 125 miles
200 km, 210 km
Range - Cross Country 130 km
Turning radius 5.92 m
Elevation limits -11° to +21°
-8° to +20°
Fording depth 0.8 m, 1 m
3'
Trench crossing 2.2 m
9'
Vertical obstacle 60 cm
2' 6"
Climbing ability  
Suspension (Type) Leaf springs
Wheels each side 8x2
Return rollers each side 4x2
Tracks (Type)  
Length  
Width 15.75"
400 mm
Diameter  
Number of links  
Pitch  
Tire tread  
Track centers/tread  

Sources:

  1. German Tanks of World War II, Dr. S. Hart & Dr. R. Hart, 1998
  2. Panzer Truppen The Complete Guide to the Creation and Combat Employment of Germany's Tank Force 1933-1942, Thomas L. Jentz, 1996
  3. Panzers At War, Michael and Gladys Green, 2005
  4. Encyclopedia of German Tanks of World War Two, Peter Chamberlain and Hilary Doyle, 1999
20th Century American Military History Crucial Site