The à  koda MU-4 Tankette was a Czechoslovak tankette design of 1933. It was designed as a successor to the à  koda MU-2 tank.
In 1932, the company à  koda tried to develop a new tank after the unsatisfactory à  koda MU-2. The result was the MU-4, made from a modified Carden-Loyd Mk. VI tankette chassis, which was entered into a competition for tankettes in the Czechoslovak Army, where it lost to the TanÃÂÃÂk vz. 33. It was then entered into a competition for the Yugoslav Army, where it lost to both the Polish TK-3 (also developed from the Carden-Loyd) and the ÃÂKD PI. The à  koda MU-4 was then offered to Afghanistan, Hungary, and Sweden, but was rejected by all of them. In the end, only a single prototype was made, which surprisingly survived World War II. The prototype was acquired by the Military History Institute Prague in 1972 and was restored to running condition. The prototype is now in the Military Museum Leà ¡any where it is occasionally shown in exhibits.