There is a permanent drawbar between the locomotive units

Trainz Product Id: 12402003

The Trainz SKU for this item is P11488536

and amazing detail

realistic see-through roof walks and separately applied grab irons

Bowser 41781 HO New York Central 40' Steel Side Box Car Kits & RTR #157900 ProductID_11386862 There is a permanent drawbarThis is a Bowser 41781 HO Scale New York Central 40' Steel Side Box Car Kits & Ready to Run #157900. (different road number shown) Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: Bowser Model Number: 41781 Road Name: New York Central (NYC) MSRP: $25. 95 Scale Era: HO Scale Model Type: Freight Cars The Trainz SKU for this item is P12286660. Trainz Product Id: 12286660