Alco S4 - Standard DC -- Pennsylvania Railroad #8490 (Brunswick Green)

Alco's 1,000-hp S4 switcher was the fourth entry in the company's highly successful |S} series of diesels. Their sturdy construction and ease of maintenance made them popular with a wide variety of railroads. Features includes operating directional headlights, a die cast chassis, die cast fuel tanks and underframe, 5 pole motor, flywheel drive and E-Z Mate(R) Mark II couplers.