These WalthersMainline F7s are perfect power for those HO fantrips, shipper′s specials and other special events you have planned! This run brings you classic A units in five later schemes, all based on the heritage and executive units rebuilt for public relations duties by several lines from the 1980s on. Features of these layout-ready models include: Limited edition - one time run of these roadnumbers! Colorful paint and lettering schemes Factory-installed handrails Available with ESU Sound for DCC and DC layouts featuring: 4 function outputs with brightness control by CV 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 prime mover sounds Compressor Dynamic brake Multiple realistic lighting effects Same powerful drive as WalthersProto(R) locos featuring: Five-pole skew-wound motor 14:1 gear ratio Helical-cut gears for quiet, easy multiple unit operation All-wheel drive and electrical pickup Dual machined brass flywheels Heavy die cast metal chassis Constant and directional lights 21-pin plug on Standard DC models for easy DCC conversion RP-25 metal wheels Proto MAX(TM) metal knuckle couplers 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. Alternate horns and bell sounds can be programmed on the sound decoder using these CVs: Horns: CV163 0 - Leslie A-200 CV163 1 - Wabco Single Chime CV163 2 - Nathan M3 CV163 3 - Leslie S3L Bells: CV164 0 - Bronze Bell (default) CV164 1 - Steel Bell Additional information on DCC functions: ESU CV List ESU Function Mapping ESU Function Output