ALCO S-5
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Script error: No such module "Infobox".Template:Template otherScript error: No such module "Check for unknown parameters". The Alco S-5 (DL 421A) was a diesel-electric switcher locomotive rated at Script error: No such module "convert"., that rode on two-axle trucks, having a B-B wheel arrangement.
This was Alco's second attempt to build a replacement 251-engined switcher to replace the 539-engined S-3 and S-4. Only seven were sold. The demonstrator unit was ALCO specification DL421 and the six production units were ALCO specification DL421A. Alco fitted the 251A engine in its replacement, the S-6 with power output raised by Script error: No such module "convert"..
Original owners
| Railroad | Quantity | Road numbers | Notes |
|---|---|---|---|
| Alco (demonstrator) | 1 | 909 | to Island Creek Fuel and Transportation Company #102 |
| Boston and Maine Railroad | 6 | 860–865 |
See also
External links
- Sarberenyi, Robert. Alco S5, S6, and SSB9 Original Owners.
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