The Panhard AMD 178, nicknamend Pan-Pan, was an advanced 4×4 recoinnaissance vehicle, with a crew of 4. With an effective main gun of 25 mm and a 7.5 mm coaxial gun. The AMD class Automitrailleuse de Découverte was a specialized long range reconnassaince vehicle with a range of 400 kilometers. It had 5 to 8 mm of armor.
The Germans used them as Panzerspähwagen and as schienenwagen or rail vehicle.