Assembled and ready to Run Available in TWO Road Numbers Features: Operates through 18'' radius curves and #4 turnouts Maximum Tractive Effort - Pulls 50 or more cars without traction tires Slow speed less than 3 scale mph; Fast speed up to 50 scale mph 8-wheel drive and electrical pick-up 5 pole skew-wound balanced armature w/ dual flywheels; PROTO 2000 couplers DCC Ready Certificate of Quality guarantees performance