Tracked Dozer and Dragline 3D Model Pack 3D model is available on CGTrader for $189. Original author: 3D-Horse.
OBJ (OBJ, filesize: 108 MB), 3DS (3D Studio, filesize: 44.6 MB), MAX (Autodesk 3ds Max, filesize: 132 MB), LWO (Lightwave, filesize: 56.8 MB), HRC (Autodesk Softimage, filesize: 153 MB), FBX (Autodesk FBX, filesize: 92.5 MB), MA (Autodesk Maya, filesize: 88.1 MB)