Curtiss XC-113, the XC-46C converted as a testbed for the T31 turboprop engine, mounted in place of engine No. 2.
Unknown author<span style="display: none;">Unknown author</span>
1945
United States Army Air Forces photo via <a rel="nofollow" class="external text" href="http://www.aerofiles.com/curt-xc113.jpg">Peter Bowers collection</a>