CAT 775 Water Truck 3D model is available on CGTrader for $129. Original author: 3dmi. Specs: 452777 polys, 244652 verts.
MAX (Autodesk 3ds Max, filesize: 51.7 MB), BLEND (Blender, filesize: 5.92 MB), OBJ (OBJ, filesize: 6.39 MB), FBX (Autodesk FBX, filesize: 9.94 MB), MAX (Autodesk 3ds Max, filesize: 51.7 MB), C4D (Cinema 4D, filesize: 6.7 MB), MA (Autodesk Maya, filesize: 23.6 MB), 3DS (3D Studio, filesize: 15.9 MB), LXO (Modo, filesize: 9.83 MB)