PBR Rail Mounted Gantry Crane RMG V2 - Red Low-poly 3D model is available on CGTrader for $10. Original author: PBRCool. Specs: 30560 polys, 35537 verts.
MA (Autodesk Maya, filesize: 20.4 MB), OBJ (OBJ, filesize: 20.4 MB), FBX (Autodesk FBX, filesize: 20.4 MB), MAX (Autodesk 3ds Max, filesize: 20.4 MB), TBSCENE (Marmoset Toolbag, filesize: 20.4 MB), 3DS (3D Studio, filesize: 20.4 MB), DAE (Collada, filesize: 20.4 MB), ABC (Alembic, filesize: 20.4 MB), UNITYPACKAGE (Unity 3D, filesize: 20.4 MB), UASSET (UnrealEngine, filesize: 20.4 MB), TEXTURES (Textures, filesize: 2.38 GB), SPP (Substance Painter, filesize: 680 MB)