the type 89B I-Go was a japanese medium tank from WW2. it was a very basic tank, one of the first designed by the japanes and was replaced very quickly, but it played an important role in japanese tank design doctrines. it was very fast for a medium tank, but with a 37mm short-barreled, low-velocity gun it was very undergunned even at the time of design, let alone at the time of production or later.
this tank is gunless as-is but does have internal hovers already added to it. you can mount any weapon you want but i advice disintregrators for good firepower at all ranges and against any target. this model does have quite a lot of spare CPU, feel free to modify it with heavy weapons, nano's or a module.