Baldwin S-12
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| Power type | Diesel-electric |
|---|---|
| Builder | Baldwin Locomotive Works |
| Model | S-12 |
| Build date | 1951 – 1956 |
| Total production | 452 |
| Gauge | 4 ft 8½ in (1435 mm) |
| Engine type | 606A |
| Cylinders | 6 |
| Power output | 1,200 hp |
| Disposition | 6 are preserved, the rest are scrapped |
The Baldwin S-12 was a 1,200-horsepower diesel-electric locomotive intended for use in yard switching. The Baldwin Locomotive Works produced a total of 452 units between 1951 and 1956. Utilizing the powerful 6-cylinder 606A diesel engine prime mover, S-12s were known for their "lugging" power, despite being temperamental.
Only six intact examples of the S-12 are known to survive today, all of which are owned by railroad museums. One unit that was converted from a Baldwin DS-4-4-1000 is in service today on the Whitewater Valley Railroad.
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| Diesel locomotives built by the Baldwin Locomotive Works | |
| Switchers: | S-12, S-8, DS-4-4-10, DS-4-4-7.5, DS-4-4-6, VO-1000, VO-660 |
| Road switchers: | RS-12, AS-16, AS-416, AS-616, DRS-4-4-10, DRS-4-4-15, DRS-6-4-15, DRS-6-6-15, RS-12 |
| Transfer units: | DT-6-6-20, RT-624 |
| Cab units: | DR-12-8-1500/2, DR-6 series, DR-4-4-15, RF-16 |
