 It was never used in a locomotive, but a twin bank V-8 had been planned to be used in an early version of the “Black Maria” DL-202/DL-203 in response to EMD's FT locomotive.The inline 8-539T was used in stationary and marine applications.The 539 engine was developed in response to the perceived drawback that Alco's line of diesel switchers had a restricted field of vision because of the high hood.