Alco C420

Production Roster

Info by: John Komanesky R. Craig photo
Reformatted: 18 October 2020
Original owner Road Numbers Bldr Numbers Bldr Dates Notes
Erie Mining 600-602 3437-01 to -03 12/65 --Re-#d EM 35-352 > EM 7220-7223
Lehigh & Hudson River 21, 22 84720, 84721 6/63 #21 to Conrail & scrapped; #22 sold to Essex Terminal 22 > A&M 50
23, 24 3431-01, -02 12/65 To Conrail 2073 & 2074 > Maryland & Delaware 52 & 54/th>
25, 26 3431-03, -04 1/66 Sold to British Columbia Ry. 631 & 632 > #631 to Arkansas & Missouri 56
27-29 3463-01 to -03 7/66 To Conrail 2075-2077; 2075 sold to GB&W 323; 2077 sold to Guilford 420
Lehigh Valley 404-415 3385-01 to -12 10/64 --
Long Island RR 200-203 84722-84725 12/63 #200 sold to LA&L; #202 & 203 scrapped
204 84726 71/64 Sold to D&H
205-207 84727-84729 2/64 #205 Scrapped; 206 sold to D&H; 207 sold to Erie Western > Green Bay & Western
208 84779 2/64 Sold to Lake States 9/76
209, 210 84780, 84781 3/64 Scrapped
211-214 84782-84785 4/64 #211 sold to D-L 41, 212 scrapped; 213 sold to Dakota Southern 213; 214 sold to DD&H
215-220 84786-84791 5/64 #215, 216, 218, 219 & 220 scrapped
221 3384-01 7/64 Sold to NYS&W 260 > Buffalo Southern 2010
222-229 6006-01 to 08 8/68 Status unknown
Louisville & Nashville 1300-1305 3370-15 to -20 6/64 --
1306-1313 3467-01 to -08 8/66 --
1314, 1315 3467-09, -10 9/66 --
Mississippi Export 63 3425-01 9/65 Sold to MPCO > A&M; scrapped
Monon 501, 502 3448-05. -06 8/66 Hi-nose with steam generator; to L&N at merger 1318 & 1319
503-506 3448-01 to -04 8/66 To L&N at merger 1320-1323
507-518 3490-01 to -12 8/67 To L&N at merger 1324-1335; #1332 & 1333 sold to AOK; #1334-35 Sold IHRC 1334
Nickel Palte Road 578 84792 6/64 To N&W at merger #2578
Norfolk & Western 413-420 3397-01 to -08 12/64 Retired
Piedmont & Northern 2000, 2001 3430-01, -02 12/65 To SCL at merger
Seaboard Air Line 110-113 3418-01 to -04 5/65 --
114-124 3418-05 to -15 6/65 --
125, 126 3418-16, -17 8/65 --
127-135 3418-18 to -26 8/65 --
136 3459-01 5/66 --
Secratario de Communicaciones Y Transportes(Mexico) 7123-10 & 11 3432-01, -02 12/65 --
Tennessee Central 400, 401 3438-01, -02 1, 2/66 --
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Technical Data C-420 (DL721A)

New: 9 April 2005 Data Sheet and drawing by: JEAN-DENIS BACHAND
Engine Builder: Alco 4-cycle Model 251C V12 RPM (Maximum / Minimum): 1025 / 400
Gear Ratio: 74:18 (Speed: 70 mph) Weight: 250,000 lbs
Truck:4-Wheel (B-B) Traction Motors: GE 752 (4)
Traction Motor Blowers: Chicago Model: Mechanical Driven (2)
Multiple Unit Capability: Yes Dynamic Braking: Yes
Main Generator: GE GT581 Alternator: GE Exciter
Air Brake: Westinghouse 26LUM Compressor: Westinghouse 3CDC
Quantity Built: 131 (6/1963 to 8/1968)
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Total Length: 60'-03" Pilot to Pilot: 51'-00"
Truck Wheel Base: 9'-04" Wheel Diameter: 40"
Height to Top Engine Hood: 15'-06" Height to Top Cab Hood: 15'-03"
Cab Width: 10'-00" Engine Hood Width: 9'-11"
Center Bolster : 34'-05" Distance between Truck Centers: 30'-09"
Minimum Turning Radious 30 degrees
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Fuel Oil: 2400 Lubricating Oil: 250
Engine Cooling Water: 250 Sand Capacity: 28 cu. ft.
Options:
  • Fully Automatic Transition
  • Steam Generator
  • Air Signal Lines
  • Seal Beam with TrainLines Control
  • High Adhesion Trucks
  • Automatic Locomotive Testing
Drawing by: Jean-Denis Bachand
Reference Sources:
  • Railroad Model Craftsman, May 1983 & July 1988
  • Model Railroader, February 1985
  • Alco: A Centennial Remembrance, by Richard T. Steinbrenner
Source of information: Extra 2200 South

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