Alco S1 - Standard DC - Master(R) Silver -- Boston & Maine #1268 (blue, white)

Produced as a successor to the S-2, these units featured AAR Type A trucks and different stack details. the models have the same features as Atlas S-2 locos. These detailed switchers feature a five-pole skewed-armature motor and dual flywheels for reliability, AccuMate knuckle couplers and a diecast chassis. Perfect for post-40s layouts.