Given the question: Progress Rail PR43C - The Progress Rail PR43C is a 4300 hp (3210 kW) C-C genset diesel-electric locomotive built by Progress Rail Services Corporation. It is the result of a conversion of existing EMD SD50 locomotives. This involves replacing the original EMD 645 prime mover with a pair of Caterpillar engines a 3600 hp (2680 kW) C175 engine and a 700 hp (522 kW) C18 engine. The locomotive was jointly designed by Progress Rail and Norfolk Southern Railway. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
The answer is:
Mean Of Transportation