the Lionel Seaboard Coaler fits the bill

Trainz Product Id: 12092560

Inside 18 & Outside 36 Radius

•Operates With Any AC Transformer

4 assembled cars with metal wheels and Proto MAX(TM) metal knuckle couplers:

Con-Cor 41392 N Amtrak Phase IVb Budd 85' Fluted-Side Dome-Observation Car #3343 ProductID_12142485 the Lionel Seaboard Coaler fitsThis is a Con Cor 41392 N Amtrak Phase IVb Budd 85' Fluted Side Dome Observation Car #3343. Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: Con Cor Model Number: 01 41392 Road Name: Amtrak (AMTK AMT) MSRP: $39. 98 Scale Era: N Scale Model Type: Passenger Cars The Trainz SKU for this item is P11979520. Trainz Product Id: 11979520