Panzerkampfwagen IV Ausf J, SdKfz 161/2:
142 of the chassis were used for the Brummbär and 278 for the Panzer IV/70(A). Auxiliary engine removed and (turret could only be hand cranked8) replaced by extra 44 gallon fuel tank. All vision ports deleted except gunners. Nähverteidigungswaffe was added as a smoke discharger and close defense. Steel road wheels, vertical exhaust mufflers, and hull sides extended beyond the front hull plate were changes made during production. Return rollers reduced to 3 on later models. Side skirt on many vehicles was heavy gauge steel mesh.8
Starting in the Summer of 1944 a new wider Ostkette (Eastern Track) was installed to allow for better performance in snow and ice.8 Other models were also retrofitted with them.8
Used FuG5 radio.4
These were furnished to Bulgaria, Croatia, Finland, Hungary, Italy, Rumania, Spain, and Turkey.
| Panzerkampfwagen IV Ausf J | |
|---|---|
| Crew | Commander, gunner, loader, driver, radio operator 54,5 |
| Physical Characteristics | |
| Weight | 25 tons4,5 |
| Length w/gun | 23' 3", 23.33'5 7.02 m4 |
| Length w/o gun | 5.89 m 19' 4" |
| Height | 8.9'5, 8' 9.5" 2.68 m4 |
| Width | 11'5 2.88 m4 |
| Width over tracks | |
| Ground clearance | 1' 3" |
| Ground contact length | 3.52 m |
| Ground pressure | 0.89 kg/cm2 |
| Turret ring diameter | |
| Armament | |
| Main | 75 mm KwK 40 L/484 75 mm5 75 mm L/489 |
| Secondary | |
| MG | 7.92 mm MG34 coaxial, hull 2: 7.92 mm MG344 2: MG5 |
| Side arms | |
| Quantity | |
| Main | 87 HEAT, smoke, APCR, APCBC, HE 87 Pzgr, Spgr + Nebel4 |
| Secondary | |
| MG | 3,150 Patr SmK4 |
| Side arms | |
| Armor Thickness (mm) | 10 - 505 |
| Hull Front, Upper | 80@8°4 |
| Hull Front, Lower | 25 80@15°4 |
| Hull Sides, Upper | 30@0°4 |
| Hull Sides, Lower | 30@0°4 |
| Hull Rear | 20@10°4 |
| Hull Top | 12@85°-90°4 |
| Hull Bottom | 10@90°4 |
| Turret Front | 50@10°4 Mantlet: 50@0°-30°4 |
| Turret Sides | 30@25°4 |
| Turret Rear | 30@15°4 |
| Turret Top | 18@86°4 & 26@90°4 |
| Engine (Make / Model) | Maybach HL 120 TRM1124 |
| Bore / stroke | |
| Cooling | |
| Capacity | |
| Cylinders | |
| Net HP | |
| Power to weight ratio | |
| Compression ratio | |
| Transmission (Type) | ZF SSG 77, Synchromesh 6 forward, 1 reverse.4 |
| Steering | |
| Steering ratio | |
| Starter | |
| Electrical system | |
| Ignition | |
| Fuel (Type) | |
| Octane | |
| Quantity | 680 liters3,8 126 gallons, 150 gallons8 |
| Road consumption | 100 km/235 liters |
| Cross country consumption | |
| Performance | |
| Traverse | 360°, hand.4 |
| Max speed | 23.5 mph5, 25 mph 38 kph4 |
| Cross country speed | 11 mph 16 kph |
| Road radius | 300 km, 320 km3,4, 322 km8 200 miles8 |
| Cross country radius | 131 miles8, 180 km, 210 km3,8 |
| Turning radius | 5.92 m |
| Elevation limits | -11° to +21° -8° to +20°4 |
| Fording depth | 1.2 m 3' |
| Trench crossing | 2.35 m 9' |
| Vertical obstacle | 60 cm 2' 6" |
| Climbing ability | |
| Suspension (Type) | Leaf springs |
| Wheels each side | 8x2 |
| Return rollers each side | 3x2 |
| Tracks (Type) | |
| Length | |
| Width | 15.75" 40 cm |
| 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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