Power your favorite Amtrak(R) long-distance or regional trains in style with a WalthersMainline F40PH on the job! Built especially for passenger duties, the prototypes entered service in 1976 and many are still going strong today. Based on Phase 2b prototypes, the models feature: Factory-installed vertical hand rails Molded drill starter points for grab irons (sold separately) RP-25 metal wheels Proto MAX(TM) metal knuckle couplers Fully assembled 21mtc connector Molded drill starter points for grab irons, available separately in the 24-piece F40PH Diesel Detail Kit, #910-259 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 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 lights 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 - Nathan K5LH (default) CV163 1 - Nathan K5HLL CV163 2 - Nathan K5H CV163 3 - Nathan K5LLA Bells: CV164 0 - Graham White E-Bell (default) CV164 1 - GE Steel Bell Additional information on DCC functions: ESU CV List ESU Function Mapping ESU Function Output