Alco RSD-7

Production Roster

Somebody's Large Digital Image Here
Reformatted: 20 October 2020 R. Craig photo
- Info from: John Komanesky
Original owner Road Numbers Bldr Numbers Bldr Dates
Alco(Demo) DL600, DL601 80960, 81088 1, 2/54
Atchison Topeka & Santa Fe 602-606 81106-81110 10-11/55
607-611 81121-81125 11/55
Chesapeake & Ohio 6800-6811 81901-81912 2-4/56
Pennsylvania 8606-8610 81745-81749 12/55
RSD-7 Spotting features:
  • High hoods with notched nose
  • Six-axle trucks (all powered)

Techanical Data

Data Sheet Compiled by: Jean-Denis Bachand

Somebody's Large Digital 
Image Here

Drawing of RSD-7 (DL-600) by: Jacques Belanger


Engine: Alco 4-cycle Model 244G V16

>Horsepower: 2250 (DL-600) and 2400 (DL-600A)
Bore & Stroke: 9" X 10.5" RPM (Maximum / Minimum): 1000 / 360
Gear Ratio: 65:18 ( Speed 75 mph) Weight: 335,000 lbs
Tri-Mount 6-Wheel (C-C) Traction Motors: GE 752 (Six)
Tractive Effort (starting) 85,750 lbs @ 25% Tractive Effort (continuous): 69,800 lbs @ 12 mph
Multiple Unit Capability: Yes Dynamic Braking: Yes
Main Generator: GE - GT586 Auxilary Generator: GE GY27-5
Air Brake: Westinghouse: 26C Compressor: Westinghouse: 3CDB
Quantity Built: 7 (DL-600) and 15 (DL-600A) Dates: 1/1954 to 1/1956
- -
Total Length: 65'-01" Pilot to Pilot: 56'-07"
Truck Wheel Base: 12'-06" Wheel Diameter: 40"
Height to Top Engine Hood: 14'-08" Height to Top Cab Hood: 14'-11"
Cab Width: 10'-01" Engine Hood Width: 9'-11"
Distance between Truck Centers: 49'-09" Center Bolster: 43'-06"
Minimum Turning Radious 21 degrees
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Fuel Oil: 1520 Lubricating Oil: 250
Engine Cooling Water: 250 Sand Capacity: 46 cu. ft.
Options:
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Somebody's Large Digital Image Here
New: 20 May 2005 Drawing of RSD-7 (DL-600A) by: Jacques Belanger
Reference Sources:
  • ATSF Mechanical Data Book
  • C&O Mechanical Data Book
  • Alco Design Data
  • Extra 2200 South Locomotive Newsletter

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