Here is a MTH 20-66196 Santa Fe 2-Car 70' Streamlined Sleeper/Diner Set

and opening bottom hatches on hopper

Model Number: 16273

Heavy Diecast metal chassis with ABS body

Lionel 6-27855 New York Central 60' Double-Door Boxcar ProductID_11462365 Here is a MTH 20-66196This is Lionel 6 27855 60' Double Door Boxcar New York Central. Its key features are: Diecast metal sprung trucks and operating couplers Hidden uncoupling tabs and rotating bearing caps on trucks Separately applied metal underframe details Opening doors Dimensions: Length: 16 Minimum Curve: O 31 Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: Lionel Model Number: 6 27855 Road Name: New York Central