CONNECT transport dolly with MaxiGRIP 3D model is available on CGTrader for $8. Original author: alexandr779979. Specs: 53000 polys, 27000 verts.
OBJ (OBJ, filesize: 3.14 MB), 3DS (3D Studio, filesize: 1.36 MB), FBX (Autodesk FBX, filesize: 1.56 MB), DWG (AutoCAD, filesize: 2.35 MB), MAX (Autodesk 3ds Max, filesize: 7.43 MB)