The Trainz SKU for this item is P11594191

Model Number: 931-1615

Model Number: 12607

50-ton friction-bearing trucks with AccuMate� couplers

Smooth Running Motor

Athearn G97217 HO Union Pacific 4-6-6-4 Challenger Oil Tender #3985 ProductID_11640052 The Trainz SKU for thisThis is an Athearn G97217 HO Scale Union Pacific 4 6 6 4 Challenger Oil Tender #3985. Key Features: Boiler backhead with printed manual controls,Individually applied piping, valves, generators, etc.,Correctly operating eccentric cranks,Adjustable cab windows,Headlights and number boards with directional light change,Tender light,Genesis Five pole, skewed armature motor with two flywheels,Pivoting front and rear engines for negotiating 18 radius