|StuG IV: General|
|Date of first production||December 1943||Total acceptances||1108 + 30 converted from Pz.Kpfw.IV|
|StuG IV: Dimensions|
|Gun overhang forward||30.71"
|Ground pressure, zero penetration||11psi
|StuG IV: Armament|
|7.5cm Stuk 40 L/48||Superstructure front||63 rounds||20°
(10° left and right;
|+20° to -6°
|7.92mm M.G.34||Loose||600 rounds||Manual||Manual|
|StuG IV: Armor|
|Welding and bolting|
|Location||Thickness||Angle from vertical|
|75° to 90°|
|StuG IV: Automotive|
|Engine||Maybach HL120TRM; 12 cylinder, 60° vee gasoline|
|Transmission||ZF SSG 76 Aphon, 6 speeds forward, 1 reverse|
|Steering||Krupp-Wilson clutch-brake, steering levers|
|Brakes||Mechanical, external contracting|
|StuG IV: Suspension|
|Type||Road wheels||Track return rollers|
|Leaf spring||4 bogies/track;
|Drive sprockets||Idlers||Shock absorbers||19-tooth front drive||Dual adjustable at rear of track||None|
|StuG IV: Track|
|Center guide, single pin, steel|
|Shoes/track||99||Ground contact length||138.6"
|StuG IV: Performance|
|Max level road speed||24mph
|Max grade||58%||Max vertical obstacle||23.6"
|Min turning diameter||19.4'
|Max fording depth||47.24"
|Cruising range||~200mi, roads
The Pz.Kpfw.IV was also converted to an assault gun (Sd.Kfz.167) after a bombing raid severely damaged the ALKETT plant producing the StuG III. The turret and superstructure from the Pz.Kpfw.IV was replaced by a modified StuG III Ausf.G superstructure. Since the Pz.Kpfw.IV hull was longer than that of the Pz.Kpfw.III, it was necessary to create a new driver's position by extending the left side of the superstructure front forward. This new driver's position was topped by a pair of periscopes and an access hatch. The cast gun mantlet was introduced in February 1944. Later production vehicles were also fitted with the naehverteidigunswaffe close-in defense weapon, and starting in December 1944 some StuG IV were only fitted with three track return rollers per side. Other modifications to the Pz.Kpfw.IV and StuG III Ausf.G were also grafted onto StuG IV, like the Pz.Kpfw.IV's flash suppressing mufflers and the remote-control external machine gun mount.
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© Copyright 2002 Chris Conners