Check out TBM Tunnel Boring Machine 3D model on CGTrader for $89. High-quality Subdivision ready mesh by QLEE3D: 48978 polys, 52540 vertices. Textured, UV Mapped.
MAX (Autodesk 3ds Max, filesize: 6.26 MB), MAX (Autodesk 3ds Max, filesize: 6.26 MB), JPG (JPG, filesize: 8.71 MB), 3DS (3D Studio, filesize: 2.45 MB)