each with different scenarios depending on whether the locomotive is in motion or stopped Six official railroad speeds with CrewTalk dialog Eight diesel RPM levels LEGACY® Real-Time Quilling Horn control with instant response for realistic signature quilling and correctly timed warning signals Single hit or continuous mechanical bell sounds Sequence Control: plays the sound effects of an entire trip

and it opearates on O-42 curves

Popular with railroads large and small

Trainz Product Id: 12363272

Athearn G97126 HO Union Pacific 4-8-8-4 Big Boy with Oil Tender #4014 ProductID_11823232 each with different scenarios dependingThis is an Athearn G97126 HO Scale Union Pacific 4 8 8 4 Big Boy with Oil Tender #4014. Model Features: Fully assembled and ready for your layout or display, Celcon handrails, Razor sharp painting and printing, McHenry scale knuckle spring couplers installed. This engine runs on DC only. Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: Athearn Model Number: G97126 Road Name: Union Pacific (UP) MSRP: