ATLAS HO EMD GP40-2 w/Sound & DCC - Master(R) Gold -- Ferromex #3021 (orange, green, white)

ATLAS EMD GP40-2 w/Sound & DCC - Master(R) Gold -- Ferromex #3021 (orange, green, white)

HO Atlas Master Gold GP40 Locomotive Rio Grande #3132 DCC/SND 10004042 HO2554 TW

Atlas HO Scale EMD GP40-2 Sound & DCC Master Gold Chessie System/C&O #4390

HO Atlas Master Gold GP40 Locomotive Rio Grande #3132 DCC/SND 10004042 HO2554 TW

Intermountain HO-Scale EMD SD40-2 (DCC/Sound) BNSF/New Image (Orange/Green)

A total of 1,145 units were produced between 1966 and 1972. Three rooftop radiator fans at the rear of the long hood differentiate a GP40 from its

HO Atlas Master Gold GP40 Locomotive Rio Grande #3132 DCC/SND 10004042 HO2554 TW

Atlas 10004231 Master HO EMD GP40-2, Silver, Standard DC, Denver & Rio Grande Western #3103

HO Atlas Master Gold GP40 Locomotive Rio Grande #3132 DCC/SND 10004042 HO2554 TW

Atlas - EMD GP40-2 Phase II w/Sound & DCC - Master(R) Gold - Undecorated w/Nose Gyralight - 150-10000670

Atlas 10004231 Master HO EMD GP40-2, Silver, Standard DC, Denver & Rio Grande Western #3103

HO Atlas Master Gold GP40 Locomotive Rio Grande #3132 DCC/SND 10004042 HO2554 TW

ATLAS HO EMD GP40-2 w/Sound & DCC - Master(R) Gold -- Ferromex #3021 (orange, green, white)