Alco RSD-12Production Roster |  | |||
|---|---|---|---|---|
| Revised: 21 November 2018 | R. Craig photo | |||
| - | Info Supplied by: John Komanesky | |||
| Original owner | Road Numbers | Bldr Numbers | Bldr Dates | |
| Chesapeake & Ohio | 6700-6709 | 81943-81952 | 4-5/1956 | |
| Lake Superior & Ishpeming | 1801, 1802 | 81953, 81954 | 4/1956 | |
| 1803, 1804 | 83547, 84293 | 11/1959, 10/1963 | ||
| New York Chicago & St. Louis(Nickel Plate) | 325-332 | 81955-81962 | 2-6/1957 | |
| 333 | 82378 | 6/1957 | ||
| Pennsylvania RR | 8655-8663 | 82379-82387 | 12/1957-1/1958 | |
| 8664-8678 | 82066-82080 | 2-3/1958 | ||
| 8679 | 82918 | 4/1958 | ||
| Southern Pacific | 7000-7005 | 83640-83645 | 2/1961 | |
| 7006-7020 | 83836-83850 | 2-4/1961 | ||
EXPORT BRAZIL |
||||
| Comp. Siderurgica Nacionales - RFFSA | 3501 | 82477 | 12/1961 | |
| 3502-3510 | 83947-83955 | 10/1962 | ||
| MEXICO | ||||
| Ferrocaril del Pacifico | 1502, 1503 | 82921, 82922 | 8/1958 | |
| 1504-1508 | 83339-83343 | 2-10/1959 | ||
| 509, 510 | 83545, 83546 | 10/1959 | ||
| 511-514 | 83636-83639 | 10/1960 | ||
| 515-517 | 83968-83970 | 2/1961 | ||
| 518-520 | 84080-84082 | 3/1962 | ||
| National de Mexico | 7400, 7401 | 82919, 82920 | 8/1958 | |
| 7402-7408 | 83548-83554 | 12/1959-3/1960 | ||
| 7409-7418 | 83626-83635 | 3-6/1960 | ||
| 7419-7423 | 83851-83855 | 3/1961 | ||
| 7424-7428 | 83806-83810 | 4/1961 | ||
| 7429-7440 | 83956-83967 | 4/1961 | ||
| 7441-7457 | 84083-84099 | 8/1962 | ||
| 7458-7472 | 84278-84292 | 8-9/1962 | ||
| INDIA | ||||
| Indian Ry | 6020-6039 | 83660-83679 | 1/1961 | |
| 6040-6049 | 83796-83805 | 4/1961 | ||
RSD-12 Spotting features:
|
||||
Techanical DataData Sheet Compiled by: Jean-Denis Bachand |
 Drawing of RSD-12 by: Jacques Belanger | ||
|---|---|---|---|
Engine: Alco 4-cycle Model 251B V12 |
Horsepower: 1800 | ||
| Bore & Stroke: 9" X 10.5" | RPM (Maximum / Minimum): 1024 / 400 | ||
| Gear Ratio: 74:18 ( Speed 75 mph) | Weight: 325,000 lbs | ||
| Tri-Mount 6-Wheel (C-C) | Traction Motors: GE 752 (Six) | ||
| Tractive Effort (starting) 81,250 lbs @ 25% | Tractive Effort (continuous): 78,500 lbs @ 6 mph | ||
| Multiple Unit Capability: Yes | Dynamic Braking: Yes | ||
| Main Generator: GE - GT586 | Auxilary Generator: GE GY27 | ||
| Air Brake: Westinghouse: 24L | Compressor: Westinghouse: 3CDc | ||
| Quantity Built: 161 (by Alco & 10 (by MLW) | Dates: 1/1954 to 6/1960 (MLW 1-/1962) | ||
| - | - | ||
| Total Length: 58'-01" | Pilot to Pilot: 49'-09" | ||
| Truck Wheel Base: 12'-06" | Wheel Diameter: 40" | ||
| Height to Top Engine Hood: 14'-06" | Height to Top Cab Hood: 14'-06" | ||
| Cab Width: 10'-01" | Engine Hood Width: 9'-11" | ||
| Distance between Truck Centers: 47'-09" | Center Bolster: 35'-03" | ||
| Minimum Turning Radious | 30 degrees | ||
| - | - | ||
| Fuel Oil: 2000 | Lubricating Oil: 200 | ||
| Engine Cooling Water: 250 | Sand Capacity: 428 cu. ft. | ||
| Options: | |||
| - | |||
| Drawing of RSD-12 by: Jacques Belanger | ||
Reference Sources:
Thanks to Allan McCormick for corrections. Originally uploaded: 12 November 2004 | |||