large industrial gearbox 3d model

Industrial post-turbine power aggregate blockout, massive rectangular mechanical unit, larger and heavier than the turbine, gearbox or generator housing, monolithic armored industrial form, single thick input shaft from turbine, no visible output shafts, mounted in a heavy rigid frame connected to overhead rail system, extremely large scale (2–3 human heights), engineering schematic reference, simple blockout geometry, clean hard surface shapes, no materials, no textures