Check out T-34-76 85 w Engine Bay and Interior 3D model on CGTrader for $379. High-quality Subdivision ready mesh by dragosburian: 1049616 polys, 1043706 vertices. Textured, UV Mapped.
STL (Stereolithography, filesize: 63.6 MB), OBJ (OBJ, filesize: 83.8 MB), BLEND (Blender, filesize: 28.6 MB), DAE (Collada, filesize: 51 MB), FBX (Autodesk FBX, filesize: 211 MB)