Mini Frontloader and his little bro.
Voxel model, available in MagicaVoxel .vox, Blender, 3DSMax, Maya, fbx and some other.
Separated by parts (arms, shovel, wheels, cabin) - can be easily animated.
Archive contains OBJs for separate parts and the entire model.
BLEND (Blender, filesize: 3.66 MB), OBJ (OBJ, filesize: 238 KB), FBX (Autodesk FBX, filesize: 312 KB), MAX (Autodesk 3ds Max, filesize: 2.67 MB), MA (Autodesk Maya, filesize: 1.3 MB), DAE (Collada, filesize: 1.08 MB), STL (Stereolithography, filesize: 506 KB)