The Panzer IV H .....
Panzerkampfwagen IV Ausf (version) H with armor skirts.
proved to be an ingenious design with the advent of Ausf H 1943-1944, 3,774 were produced using a longer, more powerful cannon (75 mm/L48) and thicker armor. (Needed to counter the T34 & Sherman) The radio antenna was moved to left rear of the hull. All were major performance improvements for the P4.
Truly, the P4H became the workhorse of the German Forces. It was reliable, rugged and had the firepower.