It also has metal wheel sets and couplers

384 Set will perform like no traditional standard gauge locomotive thanks to the power and performance of Proto-Sound 2

Following a prototype found in Los Angeles

Model Number: K-333

Lionel 1928150 O Reading Hopper (Pack of 6) ProductID_12383038 It also has metal wheelThis is a Lionel 1928150 O Reading Hopper (Pack of 6). Features: 6 Individual road numbers per six pack, Diecast metal trucks, and operating couplers. Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: Lionel Model Number: 1928150 Road Name: Reading (RDG) MSRP: $149. 99 Scale Era: O Modern Model Type: Freight Cars The Trainz SKU for this item is P12413589. Trainz Product Id: 12413589