300 hp P&W Wasp Jr
info from Aerofiles
Designed by William Stout. All-metal design for use as an aerial taxi. Original contract with Yellow Air Cab Co called for 200 planes at $2,225,000; however, the sole output went to Northrop Co, and eventually was scrapped.
Photo from Stephen J. Hudek collection
Two photos of the LC-4 from William Stout's autobiography "So Away I Went", 1951. An interesting book in spite of its corny title.