Last of nearly 100 Alco/MLW 1000 hp yard switchers. S-4 MLW #77293 5/53 Retired 5/83 after 30 years service.
Equipped for road service including extra fuel tank on running board in front of cab raising capacity from 530 to 900 gallons.
BTC requirements for road service included combination pilot, illuminated number board on front and chime air horn.