The Trainz SKU for this item is P11569645

Model Number: 7-11000

Powered w/Knuckle Couplers

The Trainz SKU for this item is P11563185

The Trainz SKU for this item is P11477064

Athearn 22906 N Union Pacific 4-8-8-4 Big Boy with DCC & Sound Coal Tender #4007 VariantsUnitPrice_number_41.91 The Trainz SKU for thisThis is an Athearn 22906 N Scale Union Pacific 4 8 8 4 Big Boy with DCC & Sound Coal Tender #4007. It Features: Boiler backhead with full detailing, Individually applied piping, valves, generators, etc., Correctly operating eccentric cranks, Headlights and number boards with directional light change, Tender light, Five pole, skewed armature motor with dual flywheels, Pivoting front and rear engines for negotiating 11 radius curves 15 radius