Southern Pacific class GS-1
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| Power type | Steam |
|---|---|
| Builder | Baldwin Locomotive Works |
| Configuration | 4-8-4 |
| Gauge | 4 ft 8½ in (1435 mm) |
| Driver size | 73½ in (1.867 m) diameter |
| Weight on drivers | 262,000 lb (118,800 kg) |
| Locomotive weight | 442,300 lb (200,600 kg) |
| Boiler pressure | 250 psi (1.72 MPa) |
| Cylinder size | 27 in dia × 30 in stroke |
| Tractive effort | 62,200 lbf (267 kN), 75,910 lbf (338 kN) with booster |
| Career | Southern Pacific Railroad |
| Class | GS-1 |
| Number in class | 14 |
| Number | 4400 – 4409, and second 4400, 4403, 4404, 4407 |
| First run | 1930 |
| Retired | 1956 |
| Disposition | scrapped |
The GS-1 was a 4-8-4 Northern type steam locomotive that served the Southern Pacific Railroad from 1930 to 1956. They were built by Baldwin Locomotive Works and were numbered 4400 through 4409. GS stands for "Golden State" or "General Service."
The GS-1 had all of the basic steam locomotive features; a silver smokebox with a mounted single headlight with a bell mounted just above it, teardrop classification lights, and whistles.
They were assigned to various passenger trains throughout the SP system, and ended their careers on the San Jose-San Francisco commutes.
No GS-1 locomotives survive.
[edit] References
- Diebert, Timothy S. and Strapac, Joseph A. (1987). Southern Pacific Company Steam Locomotive Conpendium. Shade Tree Books. ISBN 0-930742-12-5.
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