Features include tinplated steel outside rails

the Union Pacific® has employed a vast number of modern 50-foot steel boxcars

Here is an MTH 20-98657 SOO Line Center Beam Flat Car

but never saw service

Trainworx Inc 2403-45 N Quad Hopper Mo-Pac #582086 LastUpdated_20262904151138 Features include tinplated steel outsideThis is a Trainworx Inc 2403 45 N Quad Hopper Mo Pac #582086. This car features plastic construction, plastic trucks, metal wheels and axles, and knuckle couplers. Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: Trainworx Inc. Model Number: 2403 45 Road Name: Missouri Pacific (MP) MSRP: $28. 95 Scale Era: N Scale Model Type: Freight Cars The Trainz SKU for this item is P12322979. Trainz Product Id: