Alco DL109 - Standard DC -- Rock Island #623 (maroon, silver)

* Prototypes in Service 1940 thru 1950s * Heavy Die Cast Metal Chassis * Factory-Installed 8-Pin DCC Harness * 14:1 Gear Ratio * Helical-Cut Gears for Quiet Operation & Easy Multiple Unit Operation * Five-Pole Skew-Wound Motor * All-Wheel Drive & Electrical Pickup * Dual Machined Brass Flywheels * RP-25 Metal Wheels * Constant & Directional Lights * Proto MAX(TM) Metal Knuckle Couplers