| ALCO DL420 (S-5 prototype) | |||||||||
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The ALCO DL420 was the prototype ALCO S-5 diesel-electric switcher locomotive.
It was built in August, 1951 using an early six-cylinder 251 engine rated at 800 horsepower (600 kW) and RS-3 subassemblies in its construction. It rode on two-axle trucks with a B-B wheel arrangement, and was the first ALCO switcher with a front radiator opening. This one-of-a-kind unit spent its time at the Niskayuna test facility, then at Schenectady as a shop switcher (#6). It was scrapped in the late 1950s.
See also
References
- Data from The American Locomotive Company A Centennial Remembrance by Richard Steinbrenner pp. 311-312 photo, 340 photo, 394 photos
- Rolf Stumpf's ALCO World website switcher specification page
| Diesel–electric locomotives built by ALCO | |
|---|---|
| Switchers | |
| RS, RSC and RSD series | |
| Cab units | |
| Century series | |
| Diesel–hydraulics | DH643 |
| Export locomotives | |
| Unproduced locomotives | |
| List of ALCO diesel Locomotives | |
| Diesel and gas turbine locomotives built by MLW | |
|---|---|
| Early switchers | |
| Cab units | |
| Roadswitchers | |
| Century series | |
| M series | |
| Other designs | |
| Bombardier designs | |
| (See also: List of MLW diesel locomotives) | |
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- B-B locomotives
- ALCO locomotives
- Experimental locomotives
- Diesel–electric locomotives of the United States
- Railway locomotives introduced in 1951
- Standard gauge locomotives of the United States
- Scrapped locomotives
- Unique locomotives
- Individual locomotives of the United States
- Shunting locomotives
- Diesel locomotive stubs