Walthers Mainline 910-20673 – EMD SW7 W/ LokSound 5 Sound & DCC Pennsylvania (PRR) 9377 – HO Scale

From coach and freight yards to primary power for shortlines, the WalthersMainline SW7 is a perfect choice for your HO layout! Delivering 1200-horsepower from an updated 567A prime mover, the prototypes proved popular with both railroads and industrial lines, with nearly 500 produced from 1949 to 1951 with several still in service, each layout-ready model is packed with features including:

• • One time run of these roadnumbers, order now – limited quantity available!
  • Used by dozens of railroads and industrial lines for switching, local and branch line service with several preserved today!
  • Based on prototypes built from 1949 to 1951 with:
    • – Phase One body as appropriate with arched front cab windows and louvered radiator cover for units built from 1949 to 1950
    • – Phase Two body as appropriate with straight front cab windows and wire grille radiator cover for units built from 1950 to 1951
    • – Dual tall conical exhaust stacks
    • – Large front radiator grille
    • – Single straight hood to cab transition
    • – 6 louvered side doors with letterboard gap
    • – Factory-installed grab irons on hood and cab
    • – With or without footboards as appropriate
    • – 4 styles of headlights to match prototype practice as appropriate:
      • * Original large single
      • * Retrofit horizontal dual
      • * Retrofit dual vertical
      • * Dual sealed beam
    • Available with ESU(R) Sound and DCC for DCC and DC layouts featuring:
      • – Fully DCC compatible
      • – 14, 28, 128 speed steps
      • – Dual mode DC and DCC
      • – 4 air horns changeable by CVs
      • – 2 bells changeable by CVs
      • – Full 8-notch 567A prime mover sounds
      • – Compressor
    • Same powerful drive as WalthersProto(R) locos featuring:
      • – Five-pole skew-wound motor
      • – 14:1 gear ratio
      • – Helical-cut gears for quiet operation and easy multiple unit operation
      • – All-wheel drive and electrical pickup
      • – Heavy die cast metal chassis
      • – Constant and directional LED headlights
    • Next18 DCC Plug
    • Correct size RP-25 metal wheels
    • Proto MAX(TM) metal knuckle couplers

 

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• • PLEASE NOTE: When operating Walthers-branded DCC-equipped locomotives in DC mode, do not use power packs that exceed an 18V rating. This includes MRC 1300-series power packs which have known issues with our decoders.

 

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• • Alternate horns and bell sounds can be programmed on the sound decoder using these CVs:

 

• • Horns: CV163 = Leslie A-200

 

• • CV163 = Wabco Single Chime

 

• • CV163 = Nathan M3

 

• • CV163 = Leslie S3L

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• • Bells: CV164 = Bronze Bell (default)

 

• • CV164 = Steel Bell

• • Additional information on DCC functions:

ESU CV List
ESU Function Mapping
ESU Function Output