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Baldwin S12m

Built by Baldwin

Track gauge

1,435 mm

Standard gauge

Years built

1951–1956

451 units

Axle arrangement

Bo'Bo'

Overview of the Baldwin S12m

Discover the S12m, an iconic diesel locomotive designed by Baldwin between 1951 and 1956. This robust and reliable locomotive showcases a strong engineering heritage.

Later, from 1959 to 1962, three of these units underwent a significant refurbishment by EMD, further enhancing their capabilities and performance.

Featuring a standard gauge of 1435 mm and a Bo'Bo' UIC axle classification, the S12m is a versatile choice for numerous railway operations. Its durable construction and proven maintenance history stand as a lasting testament to enduring railway engineering.

Baldwin S12m technical specifications

	Value	Imperial / US
Built by	Baldwin · 1951–1956451 units
Refurbished	EMD 1959 - 1962 (3)
Track gauge	1,435 mmStandard gauge4 ft 8½ in	4 ft 8½ in
UIC axle arrangement	Bo'Bo'