Baldwin Locomotive Works
SP 4294
Southern Pacific AC-12
United States · 1944
Specification
| Class | Southern Pacific AC-12 |
|---|---|
| Nicknames | Cab Forward, AC-12 |
| Builder | Baldwin Locomotive Works |
| Year introduced | 1944 |
| Country built | United States |
| Region | United States |
| Operators | Southern Pacific Railroad |
| Era | Golden-age steam |
| Motive power | Steam |
| Role | Freight |
| Whyte | 4-8-8-2 |
| UIC | (2′D)D1′ |
| Wheel arrangement | 4-8-8-2 |
| Gauge | 1,435 mm — standard gauge |
| Quantity built | 20 |
| Power | Cab-forward articulated, oil-fired, about 6,000 horsepower class |
| Tractive effort | 124,300 lbf |
| Top speed | 100 km/h · 62 mph |
| Weight | 657,900 lb engine |
| Length | About 123 ft engine and tender |
| Status | Preserved |