Panzer III dilengkapi oleh Persenjataan utama standart kembangan Departemen Persenjataan Angkatan Darat Wehrmacht dan juga dilengkapi oleh Senjata Mesin MG34 dan dua senjata mesin kecil. Persenjataan juga di kembangkan berdasarkan medan di front.
===Mobility===
The Panzer III Ausf. A through C were powered by a {{convert|250|PS|kW|0|abbr=on}}, 12-cylinder [[Maybach]] HL 108 TR engine, giving a top speed of {{convert|32|km/h|mph|0|abbr=on}} and a range of {{convert|150|km|mi|0|abbr=on}}. All later models were powered by the {{convert|300|PS|kW|0|abbr=on}}, 12-cylinder Maybach HL 120 TRM engine. Top speed varied, depending on the transmission and weight, but was around {{convert|40|km/h|mph|0|abbr=on}}. The range was generally around {{convert|155|km|mi|0|abbr=on}}.{{citation needed|date=July 2013}}
