$139 Komatsu HM400-5 Articulated Dump Truck 3D model by Polygate. Available on CGTrader with 947885 polys and 983201 vertices. Check it out on CGHub.
OBJ (OBJ, filesize: 22.8 MB), MAX (Autodesk 3ds Max, filesize: 133 MB), C4D (Cinema 4D, filesize: 12.9 MB), TEXTURES (Textures, filesize: 279 MB), PNG (PNG, filesize: 279 MB), FBX (Autodesk FBX, filesize: 39 MB), MA (Autodesk Maya, filesize: 32.3 MB), BLEND (Blender, filesize: 27.4 MB)