Atlas HO Alco HH660 - Standard DC - Master(R) -- Boston & Albany #684 (black, white)

Features:

• All new tooling
• Early Blunt truck with separate brake cylinders, molded coil spring detail (optional) and metal truck chains
• Separately-applied metal grab irons and lift rings
• Separately-applied fine scale handrails and stanchions, coupler cut lever and piping
• Directional lighting with golden-white LEDs
• Five-pole skewed armature motor with dual flywheels for optimum performance at all speeds
• NMRA 21-pin plug for DCC