3109 DENVER'S UNION STATION 9-91 3111 AT NORTH YARD 4-85 3109 AND 3111 AT LASALLE, CO SEPT 2001 3109 3111 CHEAP NUMBER BOARD REPLACEMENT SHOWING RED CLASS LIGHTS SHOWING GREEN CLASS LIGHTS SHOWING WHITE CLASS LIGHTS 3109 3111 3109 AND 3111 AT LASALLE, COLO. 8-01 3109 3111 MARS LIGHT MECHANISM IS REMOVED JUST THE LENS REMAINING. HERE'S A CLOSE LOOK AT THE PYLE LIGHT ON 3109 THIS IS THE WATER TANK FOR THE RADIATOR SPRAY SYSTEM THE D&RGW USED TO KEEP THE RADIATORS COOL IN THE TUNNELS. BACK WALL ON 3109 CONTROL STAND ON THE 3109 THIS IS BASICAALY THE TRANSMISSION FOR LOCOMOTIVES. THESE RELAYS CONTROL FORWARD/REVERSE, POWER/DYNAMIC BRAKE, AND TRANSITION. THESE ARE THE SOLID STATE MODULES THAT STARTED WITH THE DASH 2 LINE. MORE RELAYS
