Athearn G97221 HO Union Pacific 4-8-8-4 Big Boy #4007 - Weathered LastUpdated_20261607123002 Trainz Product Id: 11462301

Trainz Product Id: 11462301

Model Number: 120110

Model Number: 176-6028-1

and Minimum radius curve (2-rail): 24”

Athearn G97221 HO Union Pacific 4-8-8-4 Big Boy #4007 - Weathered LastUpdated_20261607123002 Trainz Product Id: 11462301This is an Athearn G97221 HO Scale UP 4 8 8 4 Big Boy Steam Loco & Tender #4007 Weathered. Key Features: Boiler back head with printed gauges, Individually applied piping, valves, generators, etc., Operating eccentric cranks on both sides operating in correct direction, Adjustable cab windows, Headlights and number boards with directional light change, Five pole, skewed armature motor with dual flywheels for smooth operation, Pivoting front and rear