Strange looking critter! Never heard of it.
Wikipedia says:
"The solitary EMC transfer locomotive classified T was built in May 1936 for the Illinois Central Railroad as their No. 9201, but soon renumbered as 9202.
The bodywork was built by St. Louis Car Company and the electrical equipment was by General Electric.
The main frame rested on two subframe bolsters which were articulated together; the four two-axle trucks were mounted to the bolsters, giving it a B-B+B-B wheel arrangement.
The locomotive was a center-cab design, with twin hoods extending in both directions, each containing a V12 Winton 201-A diesel engine of 900 hp (670 kW), giving 1,800 hp (1,300 kW).
The locomotive's main underframe sagged over time, and was returned to EMD for straightening and gusseting for extra strength. The locomotive was scrapped in 1950."
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en.wikipedia.org]