Check out Mining Machinery Equipment 3D Model Pack purchase 3D model on CGTrader for $299. High-quality mesh by 3D-Horse.
OBJ (OBJ, filesize: 388 MB), 3DS (3D Studio, filesize: 140 MB), C4D (Cinema 4D, filesize: 115 MB), LWO (Lightwave, filesize: 141 MB), MAX (Autodesk 3ds Max, filesize: 441 MB), HRC (Autodesk Softimage, filesize: 267 MB), MA (Autodesk Maya, filesize: 401 MB), FBX (Autodesk FBX, filesize: 276 MB)