Baldwin DS-4-4-660 [SEP] manufacturer
Baldwin DS-4-4-660
The Baldwin DS-4-4-660 was a four-axle diesel-electric switcher built by the Baldwin Locomotive Works at it Eddystone, Pennsylvania factory between 1946 and 1949. It replaced the VO-660 in their catalog, and was in turn replaced by the DS-4-4-750. It was the low power companion to Baldwin's DS-4-4-1000 models.
built. Baldwin replaced the VO-660 with the model DS-4-4-660 in 1946.
The VO-1000 was built between January 1939 and December 1946. It was powered by a naturally aspirated eight cylinder engine rated at . Some had the Batz truck originally developed by the Atchison, Topeka and Santa Fe Railway as a leading truck for steam locomotives. 548 VO-1000s were built.
The DS-4-4-660 was built between 1946 and 1949. It replaced the VO-660 as the low power companion to the DS-4-4-