ABB IRB 1660ID 3D model is available on CGTrader for $59. Original author: Polygate. Specs: 62480 polys, 65009 verts.
OBJ (OBJ, filesize: 1.32 MB), C4D (Cinema 4D, filesize: 869 KB), 3DS (3D Studio, filesize: 765 KB), MAX (Autodesk 3ds Max, filesize: 29 MB), FBX (Autodesk FBX, filesize: 2.85 MB), MA (Autodesk Maya, filesize: 1.99 MB), MEL (Maya Mel Script, filesize: 1.99 MB)