Side skirts were replaced with a new type.

Minor changes in 2004 included the grille and replacing the headlights with a "tear drop" type.

The frontal "heavy" third of the side skirts was replaced with a new, stronger type.

This opportunity was taken to replace the old lifts (with iron folding doors) with a more modern type.

The 9th Division replaced all its patches with a new type in the shape of a "T".

The five-foot step, usually taken to avoid attacks of opportunity, is replaced with a type of movement called shifting.

The main change from the M-1 was that the tunnel radiator was replaced with a frontal type.

Novatel replaced the recalled units with a type that featured an easier-to-open battery compartment.

The bogies were replaced with a different type, significantly improving the locomotive's behaviour at higher speeds.

Those bombs had to be replaced with a type more suitable for use against anti-aircraft emplacements.