Check out ABB IRB 5500-27 Industrial Robotic Arm 3D model on CGTrader for $39.99. High-quality mesh by Siddique: 988477 polys, 552603 vertices. Textured, UV Mapped.
STL (Stereolithography, filesize: 47.1 MB), OBJ (OBJ, filesize: 65.8 MB), PLY (Ply, filesize: 51.3 MB), FBX (Autodesk FBX, filesize: 21.5 MB), BLEND (Blender, filesize: 74.3 MB), OTHER (Other, filesize: 74.3 MB)