7649 EMD SD40, UP 3117, YELLOW & GRAY, PARAGON4 SOUND/DC/DCC, HO SCALE. NOW WITH NEW PARAGON4 “ROLLING THUNDER” SOUND. Prototypically Accurate Sounds for the EMD SD40 Diesel Locomotive. Integral Dual-Mode Decoder with Back EMF for Superb Slow Speed Operation in DC and DCC.
Item Tag: 7649
7649 EMD SD40, UP 3117, YELLOW & GRAY, PARAGON4 SOUND/DC/DCC, HO SCALE. NOW WITH NEW PARAGON4 “ROLLING THUNDER” SOUND. Prototypically Accurate Sounds for the EMD SD40 Diesel Locomotive. Integral Dual-Mode Decoder with Back EMF for Superb Slow Speed Operation in DC and DCC.