97446 SP 9001 Diesel Loco, Sound, 3-Rail (HO-Scale)

97446 Krauss-Maffei ML4000 Diesel Loco SP 9001, w/Sound, 3-Rail (HO-Scale) NOTE: Loco in photos is #9000. See product description for road number information. Features: 3-Rail Version. Not for typical American 2-Rail track! RP25 wheels Silky-smooth & powerful PIKO Mechanism for great low-speeds and precise running Period-specific details PIKO knuckle couplers PIKO SmartDecoder XP 5.1 (on DCC/Sound versions) 27 DCC functions Decoder Instructions (pdf)Lighting Board Instructions and CV Table (pdf) A Little About The Prototype... Krauss-Maffei of Germany worked closely with the Southern Pacific and the Denver & Rio Grande to develop a revolutionary new diesel-hydraulic locomotive. At the start of the 1960s, these beasts packed 4000 horsepower, a feat that would not be matched by American Diesel locomotive builders for many years. Typical American diesels of the time had only 2000 HP or less. The idea of replacing two locos with one in mainline service had great appea