SD80MAC Specifications (As-Built)


Diagram of the SD80MAC - 1 mb

  List Price
    About $2,000,000 each when new

  Power Plant
    Engine Type............................Turbocharged Two-stroke Diesel
    Model.......................................................710G3B-ES
    Number of Cylinders................................................20
    Full Speed....................................................904 RPM
    Idle Speed, Normal............................................274 RPM
    Idle Speed, Low...............................................200 RPM
    Radiator Fans.........................................3, 52", 2 speed

  Electrical System
    Main (traction) Alternator.......................................TA22
      Maximum Potential..........................................2600 VDC
      Max. Continuous Current......................................8100 A
    Companion Alternator.............................................CA8B
      Nominal Potential...........................................200 VAC
    AC Auxilary Generator...........................................A8589
      Rectified Petential..........................................74 VDC
      Maximum Power Output..........................................18 kw
    Locomotive Batteries....................................EXIDE LMUD660
      Number............................................................2
      Number of Cells (each)................................16 (32 total)
      Potential (each)..................................32 VDC (64 total)
      Rating (8 Hour)........................................660 Amp. Hr.

  Trucks
    Model...................................................HTCR (radial)
    Axles..........................................................3 each
    Traction Motors...............................................1TB2830
      Number............................................................6
      Type...........................................3 Phase AC Induction
      Rating.....................................................755 Amps
    Gear Ratio......................................................83:16
    Wheel Diameter....................................................45"
    Journal Bearings.....................................Timken GG 6.875"
    Brake Shoes...............................Single Shoe 16" Composition
    Maximum Speed (computer limited)...............................75 mph
    Minimum Continuous Speed.....................................11.1 mph

  Air Brake System
    Type............................................................Wabco
    Model........................................................EPIC3102
    Schedule..........................................................26L
    Air Compressor....................................................WLA
      Type........................................................2-Stage
      Number of Cylinders...............................................4
      Displacement @ 900 RPM.............................254 Cu. Ft./Min.
      Cooling Medium.......................................Engine Coolant
      Lube Oil Capacity (20 Wt.)................................17.5 Gal.

  Traction
    Maximum Continuous Tractive Effort........................155,000 lbs
    Continuous Tractive Effort.....................147,000 lbs @ 11.1 mph
    Stall Tractive Effort.....................................185,000 lbs
    Dynamic Brake Effort.......................................96,000 lbs
    Adhesion..........................................................35%

  Supplies/Capacities
    Lube Oil System..............................................510 Gal.
    Cooling System...............................................342 Gal.
    Sanding System.............................................40 Cu. Ft.
    Fuel........................................................5800 Gal.
      Retention Tank*............................................100 Gal.
        *retention tank reduces fuel tank capacity by
         approximately 100 gallons.

  Fuel Consumption
    Normal Idle...............................................3.6 Gal/hr.
    Full Throttle.............................................237 Gal/hr.

  Dimensions/Clearances
    Length...................................................80 ft. 2 in.
    Width..................................................10 ft. 3.5 in.
      Over Underframe......................................10 ft. .75 in.
      Over Snowplow..........................................10 ft. 1 in.
      Over Wind Deflectors...............................10 ft. 11.25 in.
    Height...................................................15 ft. 5 in.
      Over Cooling Fan Guards..............................15 ft. 7.6 in.
      Over Dynamic Brake Fan Guard........................15 ft. 7.18 in.
      Over Dust Bin Blower Hatch..........................15 ft. 7.71 in.
      Over Air Horn......................................15 ft. 11.16 in.
    Weight....................................................420,000 lbs

  Minimum Curve Negotiation
    Single Unit....................................27.4 (209 ft. radius)
    Two Coupled Units..............................21.2 (270 ft. radius)
    Single Unit Coupled to 50 Ft. Box Car........15.9 (361.3 ft. radius)

  Options
    Air Compressor..............................................Motorized
    Air Conditioner...........................................Under Floor
    Air Horn.................................................Leslie RS-3L
    Alignment Control Couplers........................................Yes
    Cab Signals.......................................................Yes
    Cab Heater...................................................Electric
    Distributive Power................................................Yes
    Ditch Lights...............................................Front Only
    Electronic Engine Control.........................................Yes
    Emergency Cranking Receptacles.....................................No
    Flange Lubricators................................................Yes
    Harmon Ultra Cab II...............................................Yes
    Intergrated Cab Electronics.......................................Yes
    Locomotive Speed Limitor..........................................Yes
    Microprocessor.................................................EM2000
    Parking Brake.............................Electric w/ Manual Override
    Radio...........................................All Channel Clean Cab
    Radio Control............................................Locotrol III
    Snow Plow..................................................Front Only
    Speed Recorder/Indicator......................................EMD ICE
    Spotter...........................................................Yes
    Toilet.......................................................Chemical
    Water Cooler..........................................Portable Cooler
    Main Engine Start.................................................Air

  Other
    Sound Level....................................................Passby
      Idle.........................................................69 dBa
      Max. Throtle.................................................88 dBa

Sources:  EMD SD80MAC Operator's Manual, ConrailCorp.com, NS Locomotive Directory 2004-2005

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