$30 Hammerhead Tower Crane 2 - Construction Crane 3D model by MatViz. Available on CGTrader with 495346 polys and 470846 vertices. Check it out on CGHub.
BLEND (Blender, filesize: 32.8 MB), OBJ (OBJ, filesize: 32.8 MB), FBX (Autodesk FBX, filesize: 32.8 MB), TEXTURES (Textures, filesize: 11.3 MB)