Check out Crawler Crane 3D model on CGTrader for $150. High-quality mesh by rgbAlpha1: 458200 polys, 41358 vertices. Rigged, Textured, UV Mapped.
MA (Autodesk Maya, filesize: 267 MB), BLEND (Blender, filesize: 121 MB), OBJ (OBJ, filesize: 67.3 MB), FBX (Autodesk FBX, filesize: 28.4 MB), MA (Autodesk Maya, filesize: 267 MB), STL (Stereolithography, filesize: 43.5 MB)