Panzerkampfwagen IV Ausf G, SdKfz 161/1, SdKfz 161/2:
502nd SPzAbt in the summer of 1943
BW/7, BW/8. 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 baffle8 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 turret8. Late production 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 19428 / March 1943the 7.5 cm KwK 40 L/48 was installed. Had a velocity of 751 m/s / 2,461 ft/sec.8
Schürzen (skirting) armor was added to help stop Russian 14.5 mm AP rounds.12
Entered service in 1942.8
Used FuG5 radio.4
| Panzerkampfwagen IV Ausf G | |
|---|---|
| Crew | Commander, gunner, loader, driver, radio operator 52,4 |
| Physical Characteristics | |
| Weight | 23.5 tons4,7, 23.6 tons2 |
| Length w/gun | 20' 10", 18' 5.5", 19' 4" 5.62 m, 6.63 m2, 5.9 m, 6.62 m4,7 |
| Length w/o gun | 6.63 m 19' 4" |
| Height | 8' 6", 8' 9.5"1 2.68 m1,2,4,7 |
| Width | 9' 7" 2.9 m, 2.88 m2,4,7 |
| Width over tracks | |
| Ground clearance | 1' 3" 0.4 m2 |
| Ground contact length | 3.52 m |
| Ground pressure | 0.93 (kg/cm2)2 13.23 psi |
| Turret ring diameter | |
| Armament | |
| Main | 75 mm KwK 40 L/434 OR 75 mm KwK 40 L/484,7 75 mm L/432,9 |
| Secondary | |
| MG | 7.92 mm MG34 coaxial, hull 2: MGs2 2: 7.92 mm MG344 |
| Side arms | |
| Quantity | |
| Main | 87 HEAT, smoke, APCR, APCBC, HE 872 87 Pzgr, Sprgr + Nebel4 |
| Secondary | |
| MG | 3,000 Patr SmK4, 2,250, 3,1502 |
| Side arms | |
| Armor Thickness (mm) | Front: 507 Side: 307 |
| Hull Front, Upper | 60 502 50 or 50+30@10°4 |
| Hull Front, Lower | 50 or 50+30@12°4 |
| Hull Sides, Upper | 302 30@0°4 |
| Hull Sides, Lower | 30@0°4 |
| Hull Rear | 202 20@9°4 & 12°4 |
| Hull Top | 10-112 12@85°-90°4 |
| Hull Bottom | 102 10@90°4 |
| Turret Front | 502 50@11°4 Mantlet: 50@0°-30°4 |
| Turret Sides | 302 30@26°4 |
| Turret Rear | 302 30@10°4 |
| Turret Top | 102 10@83°-90°4 |
| Engine (Make / Model) | Maybach HL 120 TRM2,4 |
| Bore / stroke | |
| Cooling | |
| Capacity | |
| Cylinders | |
| Net HP | 3007 |
| Power to weight ratio | |
| Compression ratio | |
| Transmission (Type) | ZF SSG 77, Synchromesh 6 forward, 1 reverse.2,4 |
| Steering | |
| Steering ratio | |
| Starter | |
| Electrical system | |
| Ignition | |
| Fuel (Type) | |
| Octane | |
| Quantity | 470 liters2 |
| Road consumption | 100 km/235 liters |
| Cross country consumption | |
| Performance | |
| Traverse | 360°, electric.4 |
| Max speed | 25 mph 40 kph4,7, 42 kph2 |
| Cross country speed | 11 mph 16 kph |
| Road radius | 125 miles 200 km, 210 km4 |
| Cross country radius | 130 km |
| Turning radius | 5.92 m |
| Elevation limits | -11° to +21° -8° to +20°4 |
| Fording depth | 0.8 m2, 1 m 3' |
| Trench crossing | 2.2 m 9' |
| Vertical obstacle | 60 cm 2' 6" |
| Climbing ability | |
| Suspension (Type) | Leaf springs2 |
| Wheels each side | 8x22 |
| Return rollers each side | 4x2 |
| Tracks (Type) | |
| Length | |
| Width | 15.75" 400 mm2 |
| Diameter | |
| Number of links | |
| Pitch | |
| Tire tread | |
| Track centers/tread |
Sources:
- The Encyclopedia of Tanks and Armored Fighting Vehicles - The Comprehensive Guide to Over 900 Armored Fighting Vehicles From 1915 to the Present Day, General Editor: Christopher F. Foss, 2002
- Panzer Truppen The Complete Guide to the Creation and Combat Employment of Germany's Tank Force 1933-1942, Thomas L. Jentz, 1996
- Panzer Truppen The Complete Guide to the Creation and Combat Employment of Germany's Tank Force 1943-1945, Thomas L. Jentz, 1996
- Encyclopedia of German Tanks of World War Two, Peter Chamberlain and Hilary Doyle, 1999
- Tanks of the World, 1915-1945, Peter Chamberlain, Chris Ellis, 1972
- The Encyclopedia of Weapons of World War II, Chris Bishop, 1998
- Jane's World War II Tanks and Fighting Vehicles The Complete Guide, Leland Ness, 2002
- German Tanks of World War II, Dr. S. Hart & Dr. R. Hart, 1998
- Tanks of World War II, Duncan Crow, 1979
- Battle Winning Tanks, Aircraft & Warships of World War II, David Miller, 2000
- Tank Data, Aberdeen Proving Grounds Series, 1968?
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