Hello,

this is a heavy tank developed by Kenbishi. It is from the TV series "Ghost in the Shell: Stand Alone Complex" and "Ghost in the Shell: Stand Alone Complex 2nd GIG".
It appears in the 2nd episode of SAC titled "Runaway Evidence" or "Testation" as prototype in beige being chased by Tachikomas and later in the 23rd episdode of SAC 2nd Gig as part of the military in dark green.
It seems to be an exceptionally advanced tank that is impervious to most forms of attacks thanks to the numerous countermeasures built into the tank. The only ways shown to stop it are to literally glue it to the ground so it can't move or remove the ground from underneath it because it can't fly to save itself.
If you're looking for a lighter walking tank, take a look at the R3000/T08A2 Alakuneda Spider Tank.

The schematic contains a command block that summons an invisible armor stand under the tank to create an upside down optical sensor (you can't place heads on the ceiling so I did it with an armor stand wearing a custom head). After pressing the button on the command block which will summon the invisible armor stand you can remove the command block.

Before you paste the schematic make sure to set //perf update and neighbors to off and paste with entities (//paste -e).

Enjoy!