| Alco Pre-War Passenger Locomotives
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| Revised: 26 Oct. 2010 / New: 17 Feb. 2005 | Photograph by: xxxxxxx | ||||
| * * * Cab Units * * * | |||||
| Alco DL103/105/107/109
Quantity Built: 74 A-units12/40 to 4/45 |
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| Original owner | Road Numbers | Spec. No. | Qty. | Bldr Numbers | Bldr Dates |
| Atchison Topeka & Santa Fe | 50 | DL107 | 1 | 69399 | 5/41 |
| Chicago & North Western | 5007A | DL107 | 1 | 69436 | 8/41 |
| Chicago Milwaukee St. Paul & Pacific | 14A, 14B | DL107 | 2 | 69437, 69438 | 10/41 |
| Chicago Rock Island & Pacific | 621 | DL107 | 2 | 69439 | 11/41 |
| 622 | DL105 | 2 | 69336 | 11/1940 | |
| 623 | DL107 | 2 | 69398 | 12/1940 | |
| 624 | DL103 | 1 | 69186 | 12/1939 | |
| Cincinnati New Orleans & Texas Pacific (Southern) | 6400, 6401 | DL107 | 2 | 69400, 69401 | 2/41 |
| Gulf Mobile & Ohio | 270, 271 | DL107 | 2 | 69334, 69335 | 9/40 |
| 272 | DL109 | 1 | 69991 | 2/43 | |
| New Haven | 0700-0709 | DL109 | 10 | 69726-69735 | 12/41-4/42 |
| 0710-0719 | DL109 | 10 | 69980-69989 | 7/42-1/43 | |
| 0720-0729 | DL109 | 10 | 71041-71050 | 1-4/44 | |
| 0730-0739 | DL109 | 10 | 72950-72959 | 10/44-1/45 | |
| 0740-0744 | DL109 | 5 | 72925-72929 | 1-2/45 | |
| 0745-0759 | DL109 | 15 | 71439-71453 | 2-4/45 | |
| Southern Ry | 2904 | DL109 | 1 | 69990 | 9/42 |
| Source of information: Extra 2200 South and "Alco: A Centennial Remembrance" by Richard T. Steinbrenner | |||||
| * * * Booster Units * * * | |||||
| Alco DL108/110
Quantity Built: 4 B-units5/41 to 12/42 |  |
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| Atchison Topeka & Santa Fe | 50A | DL108 | 1 | 69440 | 5/41 |
| Cincinnati New Orleans & Texas Pacific (Southern) | 6400B, 6401B | DL108 | 2 | 69441, 69442 | 2/41 |
| Southern | 2954 | DL110 | 1 | 69443 | 9/42 |
* * * Technical Data * * *
| Alco DL 100 Series
Technical Data
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| Drawings and Data by: Jean-Denis Bachand | ||||||
| DL103 Technical Data | ||||||
| Engine | DL103 - Two 538T L6 (4-cycle) |
M&S 2000 hp |
Bore & Stroke: 12.5" x 13" | RPM (Max. / Min.): 745 / 315 | Wgt: PA: 345,000 lbs. PB: 300,700 lbs. |
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| Powertrain | Main Gen.: GT542C2 | Traction Motors:
Pass. GE730 / Frt. 726 (four) |
Tractive Force (starting): 59,500 lbs @ 25% |
Tractive Force (continuous): 25,100 lbs @ 23 mph |
T/M Blowers: Stuart (Mech. - two) | |
| Trucks | A1A-A1A (3 axles) | Wheel Dia: 40" | DL 103 Speed: 120 mph Gear Ratio: 58:25 |
Turning Radius (min): 21 degrees | Wheelbase: 15'-4" | |
| Operation | M/U Capability | D/B No | Auxillary Generator: ? | Air Comp.: GE | Air Brake: 6L | |
| Capacities | Fuel: 1200 gal. |
Lub Oil: 192 gal. |
Cooling Water: 208 gal. |
Sand: 24 cubic feet |
Steam Gen.: Vapor - 3000 psi |
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| Dimensions | Length:
DL103: 78'-11" B-units: 72'-4" |
Bolster: 47'-3" | Pilot-to-Pilot (distance):75-6" | Engine Hood Heighth *: 14'-6" | Cab Heighth*: 13'-6" | |
| Dimensions | Cab Width: 10'-0" | -- | Length over handrails: -- | Distance between Truck Centers: 62'-7" | ||
| * Distance is from top of railhead. | ||||||
| The Alco DL105 differed in several ways from the DL103: | ||||||
| Engine | Two 539T L6 (4-cycle) |
M&S 2000 hp |
Bore & Stroke: 12.5" x 13" | RPM (Max. / Min.): 745 / 315 | Wgt: 331,000 lbs. | |
| Powertrain | Main Gen.: GT557 (two) | Traction Motors:
GE730 |
Tractive Force (starting): 53,500 lbs @ 25% |
Tractive Force (continuous): 32,500 lbs @ 23 mph |
Speed: 800 mph Gear Ratio: 71:21 |
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| Auxillary Generator: GMG139-5 | Air Comp.: West. 2CD | Length:
74'-6" |
Bolster: 43'-0" | Pilot-to-Pilot (distance):71-6" | Distance between Truck Centers: 58'-4" | |
| DL107 Specifications differed only slightly from the DL105: | ||||||
| Traction Motors: GE726 (four) | Speed: 100 mph with a Gear Ratio of: 62:21 | |||||
| DL109 Technical Data | ||||||
| Engine | DL109 - Two 539T L6 (4-cycle) |
McIntosh & Seymour 2000 hp |
Bore & Stroke: 12.5" x 13" | RPM (Max. / Min.): 745 / 315 | Wgt: PA: 345,000 lbs. PB: 300,700 lbs. |
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| Powertrain | Main Gen.: GT542C2 | Traction Motors:
726 (four) |
Tractive Force (starting): 59,500 lbs @ 25% |
Tractive Force (continuous): 25,100 lbs @ 23 mph |
T/M Blowers: Stuart (Mech. - two) | |
| Trucks | A1A-A1A (3 axles) | Wheel Dia: 40" | DL 103 Speed: 120 mph Gear Ratio: 58:25 |
Turning Radius (min): 21 degrees | Wheelbase: 15'-4" | |
| Operation | M/U Capability | D/B No | Auxillary Generator: ? | Air Comp.: GE | Air Brake: 6L | |
| Capacities | Fuel: 1200 gal. |
Lub Oil: 192 gal. |
Cooling Water: 208 gal. |
Sand: 24 cubic feet |
Steam Gen.: Vapor - 3000 psi |
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| Dimensions | Length:
74'-6" B-units: 72'-4" |
Bolster: 43'-0" | Pilot-to-Pilot (distance):71-6" | Engine Hood Heighth *: 14'-6" | Cab Heighth*: 13'-6" | |
| Dimensions | Cab Width: 10'-0" | -- | Length over handrails: -- | Distance between Truck Centers: 58'-4" | ||
| * Distance is from top of railhead. | ||||||
Reference Sources:
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