Digital Steam Era III Class 4000 4-8-8-4 Big Boy -- Union Pacific #4006

A Replica of a Famous Locomotive Based on UP's largest steam locomotives, and one of the largest ever built, this detailed model features a die cast boiler with loads of applied separate details. The locomotive comes equipped with an mfx digital decoder and a sound system. It also has a powerful motor with a bell-shaped armature and a flywheel, traction tires for extra pulling power and an articulated frame enabling it to negotiate curves as sharp as 14-3/8" 36cm radius. Other features include directional LED headlights, provisions and contacts for adding a smoke unit (#667-11, sold separately), provisions for a front pilot coupler and close coupling between the locomotive and tender. Steam lines are mounted to swing out and back with the cylinders. Figures of a locomotive engineer and fireman for the engineer's cab are included. The locomotive comes in a wooden case. The double heading of locomotives or the use of locomotives in pusher service was cost intens